H0002 Version 4 H0003 Date_generated 26/11/2015 H0004 Reporting_period_end_date 29/09/2015 H0005 State NT H0100 Tenement_no EL26831 EL26833 EL26835 EL28656 EL29022 EL30048 EL30152 EL30156 EL30158 H0101 Tenement_holder MMG H0102 Project_name North Batten JV H0106 Tenement_Operator MMG H0200 Start_date_of_data_acquisition 1/01/1981 H0201 End_date_of_data_acquisition 29/09/2015 H0202 Template_format DL_4 H0203 Number_of_data_records 1515 H0204 Date_of_metadata_update 29/09/2015 H0300 Related_data_files GR321_2015_GA_05_Appendix4 H0301 Surface_location_data_file GR321_2015_GA_03_Appendix2 H0303 Downhole_geochem_data_file GR321_2015_GA_06_Appendix5 H0304 Downhole_survey_data_file GR321_2015_GA_04_Appendix3 H0307 Lithology_code_file GR321_2015_GA_07_Appendix6 H0308 File verification list H0400 Drill_code DD MUD RC RC/DD RC/DD WB H0402 Description DD MUD RC RC/DD RC/DD WB H1000 Hole_id DEPTH_FROM DEPTH_TO Relogged Lith_Qualifier Lith_Qualifier2 Lith_Qualifier3 Lithology Acidtest Weathering Regolith_Type Hardness ColourShade Colour1 Colour2 Gravel_Volume Gravel_Desc1 Gravel_Desc2 Texture_Volcanic Grainsize_Crystal Litho_Facies Comments Stratigraphy LoggedBy H1001 Units metres metres H1004 Accuracy 0.1 0.1 D 11BLDD0008 0 2 P pi CLA 5 Residual DK BRN lithology:Undifferentiated sediments Pmq D 11BLDD0008 2 5 P CLA 5 LT CRM BRN lithology:Undifferentiated sediments; RegolithProfille : Clays; Lith1RegolithOverprint : Silcreted Pmq D 11BLDD0008 5 40 P CLA 5 LT CRM BRN lithology:Undifferentiated sediments; RegolithProfille : Clays Pmq D 11BLDD0008 40 43 P CLA 5 LT CRM BRN vfg lithology:Undifferentiated sediments; RegolithProfille : Clays; Lith2pc : 5 Lith2ColourTone : P Lith2Colour1 : WH ; Lith2_Qualifier; bnd Pmq D 11BLDD0008 43 54 P CLA 5 LT GRY vfg lithology:Undifferentiated sediments; RegolithProfille : Clays; Lith2pc : 5 Lith2ColourTone : M Lith2Colour1 : BK ; Lith2_Qualifier; bnd Pmq D 11BLDD0008 54 60 P CLA 5 LT BRN vfg lithology:Undifferentiated sediments; RegolithProfille : Clays; Lith2pc : 20 Lith2ColourTone : M Lith2Colour1 : BK Lith2Colour2 : WH ; Lith2_Qualifier; bnd Lithology3; SSL Pmq D 11BLDD0008 60 62.9 P SSL 5 LT BRN fg Lith2pc : 2 Lith2ColourTone : M Lith2Colour1 : BK Lith2Colour2 : WH ; Grainsize_Crystal2; vfg Lith2_Qualifier; bnd Pmq D 11BLDD0008 62.9 68.5 P SSL 5 MO ORA fg Intermittent clear to black chert fragments and (?) breccia. Mn patchy in lower 60cm. Core loss = 3.3m; Lith2pc : 5 Lith2ColourTone : L Lith2Colour1 : GY Lith2Colour2 : BK Pmq D 11BLDD0008 68.5 72.4 P crk fra bxd SDO 4 LT GRY fg Locally broken; rubbly and strongly cy-altered and perv si(1-3). Mn on fractures; Lith2ColourTone : M Lith2Colour1 : GY ; Lithology3; SBX Pmq D 11BLDD0008 72.4 75 P bl crk fra SDO 1 LT GRY CRM fg Weathering along fractures persists to 75m. Pmq D 11BLDD0008 75 76.15 P SBX 1 CRM BLK Debris breccia material includes lt grey dolomite; grey silty dolomite and silicified black shale. Low contact slumped and injected in to underlying unit.; LithStructure : Slumped Pmq D 11BLDD0008 76.15 77.25 P bl crk bxd STD 1 LT GRY CRM fg -text deleted! Pmq D 11BLDD0008 77.25 77.95 P SBX 1 -text deleted!; LithStructure : Slumped Pmq D 11BLDD0008 77.95 83 P mas bl STD 1 MD GRY fg black mud infills tension openings; low pressure interstices and stylolites; texture:matrix; LithStructure : Slumped; Lith2pc : 10 Lith2Colour1 : BK Lith2Colour2 : GY Pmq D 11BLDD0008 83 91.6 P mas bxd SBX 0 LT GRY fg similar to prev interval.; LithStructure : Slumped; Lith2ColourTone : D Lith2Colour1 : GY ; Lithology3; SAD Pmq D 11BLDD0008 91.6 96.4 P mas bnd bxd STD 0 BLK fg FAULT?_ 91.8-96.34m.; Lith2pc : 20 Lith2ColourTone : M Lith2Colour1 : GY Pmq D 11BLDD0008 96.4 107.28 P mas bnd STD 0 MD GRY fg clasts healed in carnate flooding abundant tension gash openings locally up to 4cm wide.; LithStructure : Deformed; LithStructure : Slumped; Lith2pc : 5 Lith2ColourTone : D Lith2Colour1 : GY Lith2Colour2 : BK Pmq D 11BLDD0008 107.28 107.55 P mas SSH 0 BLK fg Silicified; crackle fractured; clast suppoerted with bkack interstitial mud; Lith2pc : 8 Lith2ColourTone : D Lith2Colour1 : GY Pmq D 11BLDD0008 107.55 113.65 P mas bnd STD 0 MD GRY fg same as 96.4-102.78 ; LithStructure : Deformed; LithStructure : Slumped; Lith2pc : 5 Lith2ColourTone : D Lith2Colour1 : GY Pmq D 11BLDD0008 113.65 120.68 P mas SSH 0 BLK fg Crush zone: pyritic cb shale. very broken. Slicknsided fracture surfaces. Pmq D 11BLDD0008 120.68 121.96 P mas SSH 0 BLK fg Competent Pmq D 11BLDD0008 121.96 123.5 P mas SSH 0 BLK fg Very broken. Pmq D 11BLDD0008 123.5 124.2 P mas SSH 0 BLK fg Competent Pmq D 11BLDD0008 124.2 124.6 P mas SSH 0 BLK fg Very broken. Pmq D 11BLDD0008 124.6 125.3 P mas SSH 0 BLK fg Competent. Pmq D 11BLDD0008 125.3 130.5 P mas SSH 0 BLK fg Very broken. Pmq D 11BLDD0008 130.5 133 P mas SSH 0 BLK fg Moderately fractured. Pmq D 11BLDD0008 133 136.5 P mas SSH 0 BLK fg Crush zone: highly broken; fractured. Slicknsiding on fractures. Pmq D 11BLDD0008 136.5 137.7 P mas SSH 0 BLK fg Competent but lower40cm breciated 9136.77-137.17) Pmq D 11BLDD0008 137.7 139.75 P mas SSH 0 BLK fg Pmq D 11BLDD0008 139.75 141.2 P mas SSH 0 BLK fg Includes: Fault Zone (113.70-141.10) Pmq D 11BLDD0008 141.2 166.15 P mas SSH 0 BLK fg LithStructure : Slumped; Lith2pc : 6 Lith2ColourTone : L Lith2Colour1 : GY Pmq D 11BLDD0008 166.15 299.64 P mas STD 0 fg Data for this interval in toughbook 001 Pmq D 11BLDD0008 299.64 303.75 P mas bnd fra SDH 0 DK BLK vfg Slickensides in fractures; small amount of pyrite mineralisation along fractures; Lith2pc : 5 Lith2ColourTone : M Lith2Colour1 : GY ; Grainsize_Crystal2; fg Pmq D 11BLDD0008 303.75 310.57 P mas bnd 1cm spots) sandstone composed of ~90% coarse quartz grains in a brown fine silt matrix. Occasional mostly elongate siltstone rip-up clasts. Upper contact is a more red ferruginous colour. Ptm CGI D NBDD002 386.5 388.4 P fra fri IDO 0 1 DK GRN Friable domainal fracture-controled green chlorite-altered upper margin of red/brown K-altered equigranular dolerite. Chaotic quench fracturing. Ptg CGI D NBDD002 388.4 407.3 P mas IDO 0 5 MD RED BRN K-altered massive medium equigranular dolerite composed of anhedral quartz and mafic black crystals; red/brown k-spar laths. Patchily dolomitic. Minor py and cpy flecks especially in fractures. Common cb veining with voids and earthy chlorite. Ptg CGI D NBDD002 407.3 419.5 P amy mas IDO 0 1 DK BRN RED Massive medium equigranular dolerite composed of semi-euhedral black and green mafic crystals. Abundant white cb (+ minor green chl) typically ~1cm amygdaloids. Some green chlorite alteration of the matrix. Common cb veining. Ptg CGI D NBDD002 419.5 429.1 P mas IDO 0 5 DK GRN GRY Massive medium equigranular dolerite composed of black and green mafic crystals with an abundant bronze-coloured mineral. Common cb veining. Minor py and cpy flecks. Ptg CGI D NBDD003 0 7.1 P LSP 4 1 MO TAN BLK Saprolite of mottled tan black red and white clays Pmx CGI D NBDD003 7.1 13.2 P san itb LSR 3 2 MO BRN TAN Saprock composed of laminated to 10cm-bedded (planar to irregular bedding) interbedded brown clay; tan clay-weathered siltstone and coarse quartz sandstone. Sandstone intervals are silicified and ferruginous. Some core loss. Pmx MDS D NBDD003 13.2 21.2 P itb LSR 2 3 LT TAN GRY Saprock composed of laminated to 10cm-bedded (planar to irregular bedding) interbedded white-tan clay; brown clay; green-grey and red/brown-stained siltsone (no acid response). Common dendritic Mn staining and fracture-controled red oxidised straining. Some sections may be bioherm microbial? Some core loss. Pmx MDS D NBDD003 21.2 36.2 P itb nod SSL 1 3 LT TAN GRY Moderately-weathered laminated to 10cm-bedded (planar to irregular bedded; becoming more laminated moving downhole) grey-green siltstone and red/brown stained oxidised siltstone (no acid response). At 23.3m there is a ~15cm more shaley interval with hummocky cross-stratification. There are beds with abundant ~1mm typically red/brown circular crystals which may be after-anhydrite pseudomorphs- these increase moving downhole (good example at 34.2m). Dendritic Mn staining decreasing moving downhole. Pmx MDS D NBDD003 36.2 70.2 P itb pyr tur SSH 0 4 DK BLK GRY Laminated to ~5cm bedded (mostly planar beds with occasional scoured beds and possible cross-beds) almost rhythmic interbedded (possibly turbiditic) weakly-pyritic light to dark grey siltstones and strongly pyritic black shale (neither have acid repsonse). Occasional matrix-supported breccia beds that are interpreted to be debris flows. Common cm-scale dewatering structures and cm-scale teepee strutures. Rare white quartz grains dispersed throughout silt/shale. At top of interval there are some sawtooth laminae which may be after-gypsum beds. Common late micro-faulting and crackle breccias. At 67.1-67.6m there is a conspicuous massive brown/grey siltstone bed. Pmq MDS D NBDD003 70.2 139.2 P itb pyr SSH 0 4 DK BLK GRY Less abundant discreet pyritic black shale and pale grey siltstone interbeds compared to uphole interval. This interval has more uniform darker grey siltstone interbeds and interlaminae (no acid response). Darker siltstones are slightly pyritic and overall the interval is less pyritic than uphole interval. Occasional dewatering structures. Common late microfaulting and zones of clast-supported breccia. At 97.3-97.7m there is weathered limonitic siltstone possibly after pyrite. Pmq CGI D NBDD003 139.2 141.9 P itb bxd nod STD 0 4 MD GRY Interbedded dolomitic and non-dolomitic siltstones with beds of matrix-supported breccia composed of dark dolomitic silt matrix and light dolomitic silt sub-rounded clasts interpreted to be debris flow; and beds of edgewise/ flat pebble conglomerates. Occasional zones of <1cm circular growths often pyrite-replaced (good examples at ~139.9m) that might be after-ahydrite. Pmq CGI D NBDD003 141.9 150 P itb STD 0 4 LT GRY Laminated to ~2cm bedded (mostly planar beds) pale grey dolomitic siltstone (stong acid response) and lesser black shale interlaminae. Occasional pyrite-replaced nodules and cubic pyrite growths. Some late microfaulting. Pmq CGI D NBDD003 150 153.9 P itb nod STD 0 4 MD GRY Transitional interval of laminated to ~3cm bedded (mostly planar beds) interbedded pale grey dolomitic siltstone (stong acid response) and variably dolomitic black shale. Occasional zones of <8mm cicular growths that may be after anhydrite (or alternatively diagenetic nodules). Some late microfaulting. Pmq CGI D NBDD003 153.9 156 P cbn pyr SDH 0 3 DK BLK Diffusely laminated variably dolomitic black shale. Pyritic and carbonacous (black residue on fingers) especially at the top of the interval Pmq CGI D NBDD003 156 166.8 P itb nod STD 0 4 MD GRY Laminated to ~3cm bedded (planar to irregular) interbedded brown/grey dolomitic siltstones and dolomitic black shale; common circular (less commonly lath) carbonate concretions or nodules typically <5mm but up to 15mm- these occur as bedding horizons and cross-cutting bedding and may represent after-anhydrite pseudomorphs. Very minor disseminated pyrite throughout interval. Occasional bedding parallel stylolites. Pmq LGS D NBDD003 166.8 168.2 P cbn pyr SDH 0 3 DK BLK Diffusely laminated carbonaceous dolomitic black shale with moderate disseminated pyrite. Gouge zones and hydrothermal carbonate veins suggest fault-affected. Possible very minor sphal. Pmq LGS D NBDD003 168.2 201.6 P itb nod pyr SDH 0 4 DK GRY Laminated to ~2cm bedded (mostly planar; some irregular bedding) black dolomitic shale and grey/brown dolomitic siltstone. Whole interval is weakly pyritic with darker interbeds more pyritic. Common <5mm circular/oval carbonate growths often replaced by pyrite- these are both concentrated in horizons and cross-cut bedding. Occasional thin siltstone dykes? cross-cutting bedding (40cm example at 176.5m). Rare strataform breccias interpreted to be debri flow mostly toward the bottom of the interval (varied examples at 187.6m; 196.1m; 198.5m and 199.7m- some have hydrothermal white carbonate). Occasional stylolites and occasional late micro-faulting. Pmq CGI D NBDD003 201.6 208.6 P itb nod STD 0 4 MD GRY As per uphole interval except increased grey/brown siltstone component and increased bedding thickness for siltstone component. Also fewer nodules. Pmq CGI D NBDD003 208.6 211.1 P pyr lam SDH 0 4 DK BLK Predominantly pyritic laminated dolomitic black shale. Minor sphal. replacing nodules. Pmq CGI D NBDD003 211.1 216 P itb STD 0 4 LT GRY Laminated to ~2cm bedded (mostly planar some irregular bedding) interbedded grey/brown dolomitic siltstone with lesser black dolomitic shale interlaminae. Minor <5mm circular carbonate growths. Pmq CGI D NBDD003 216 217.2 P bxd STD 0 4 LT GRY Laminated to thin bedded grey dolomitic siltstone; majority of interval is a flat pebble/edgewise conglomerate graduating into more chaoitic conglomerate/breccia composed of light grey <2cm siltstone thin laths mostly oriented bedding parallel in a darker matrix. Pmq CGI D NBDD003 217.2 231.8 P itb STD 0 4 MD GRY BRN Laminated to ~1.5cm mostly planar bedded grey/brown dolomitic siltstones sometimes maturing to darker black dolomitic shale. Weakly pyritic. Occasional py blebs and possible <1cm sphal replaced nodules/blebs (example 220.4m). Pmq CGI D NBDD003 231.8 286.2 P pyr lam SDH 0 4 DK BLK GRY Predominantly laminated strongly pryitic dolomitic black shale (acid reaction only on hot rock) with minor interbeds of grey dolomitic siltstone. Pyrite occurs mainly as laminae. Occasional intervals with abundant <5mm circular carbonate growths/nodules often partially replaced by pyrite (example at 267-269m). Some possible sniffs of sphal. Occasional ~5mm white carbonate veins that are typically bedding parallel. Pmq CGI D NBDD003 286.2 299.7 P tur grd pyr STD 0 4 MD GRY Turbiditic graded (and some reverse graded?) cycles typically ~10cm of grey coarse dolomitic siltstone through to dolomitic black shale. Occasional zones of ~5mm circular carbonate growths/nodules. The interval is very pyritic in zones and there is some spal. Replacing nodules (examples at 281.1m and 289.5m). Pmq CGI D NBDD003 299.7 413 P lam SDH 0 4 DK BLK Predominantly laminated dolomitic black shale with lesser thin (<1cm) interbeds/interlaminae of grey dolomitic siltstone (turbiditic cycles)- toward uphole and downhole contacts silty component increases. Occasional pyrite blebs/fracture coating/ isolated laminae- but no discernable pyrite disseminated through shale (though core is quite dense). Between 327-339m and 382-389m there are occasional ~5mm white carbonate planar veins with very minor associated sphal in the former. Also an isolated carbonate/sphal vein at 357.4m. Minor soft sediment deformation toward bottom of interval. Common late micro-faulting. Pmq CGI D NBDD003 413 444.4 P lam SDH 0 4 DK GRY As per uphole interval but increased silt component (turbidic cycles) and increased pyrite- mostly bleby and isolated laminae. Pmq CGI D NBDD003 444.4 450.9 P tur STD 0 4 DK GRY Grey coarse dolomitic siltstone through to dolomitic black shale graded bedding turbiditic cycles (beds typically <10cm). Occasional isolated pyritic lamianae and pyrite blebs. Common micro-faulting. Pmq CGI D NBDD003 450.9 457.7 P itb SDH 0 4 DK GRY Interbedded dolomitic black shale and grey dolomitic siltstone. Some graded bedding/turbidites; especially at top of interval. Minor blebby pyrite. Abundant soft sediment deformation. Common micro-faulting; Pmq CGI D NBDD003 457.7 459.1 P pyr cbn lam SDH 0 4 DK BLK Laminated carbonaceous strongly pryitic dolomitic shale. Prominent ~5cm circular pyrite nodules. Pmq CGI D NBDD003 459.1 466.4 P itb STD 0 4 DK GRY ~3cm bedded to laminated turbiditic interbedded dolomitic grey siltstones and lesser dolomitic black shale. Some breccia beds interpreted to be debri flow (example 461.5m). Common pyrite blebs and pyrite veins altering to hematite. Common micro-faulting. Pmq CGI D NBDD003 466.4 473.5 P bnd SDO 0 4 LT GRY TAN Transitional unit with typically ~20cm bands of laminated grey dolomitic siltstone; 10-100m bands of tan altered dolostone(?) with after-pyrite hematitic pits; grey recyrstallised dolostone with minor pyrite blebs. Pmp CGI D NBDD003 473.5 479.6 P bxd SDO 0 4 LT GRY Light grey partially-recrystallised dolostone which is largely brecciated- breccia is composed of subangular to subrounded light grey dolostone in a darker dolomitic matrix- interpreted to be dissolution brecciation. Common stylolites. Largely broken core. Pmp CGI D NBDD003 479.6 505.8 P mas SDO 0 4 LT GRY Mostly massive partially re-crystallised light grey dolostone. Some sections of breccia and fractures with dark grey dolomitic gouge infill. Common stylolites. Common sections of fractured core often with ferruginous coating. Pmp CGI D NBDD003 505.8 509.8 P bxd lam SDO 0 4 MD GRY Darker grey recrystallised dolostone which is brecciated in sections (interpreted to be dissolution brecciation) and also crypt-microbial laminated in sections (including ~2cm wavelength bioherms at 406.6m). Some sections within this interval have ~1mm circular carbonate crystal growths that might be after evaporitic horizons? At 406.7m there is a partially yellow-altered section. Pmp CGI D NBDD003 509.8 528.1 P bxd SDO 0 4 LT GRY YEL Light grey recrystallised dolostone which is largely brecciated (interpreted to be dissolution brecciation; with some breccias in uphole section of interval appearing more debri flow) and also crypt-microbial laminated in sections. Common yellow to orange altered zones including all of 511.5-514.4m and selective beds after 520.2m. Common stylolites. Pmp CGI D NBDD004 0 5.9 P NCP Pmx LPC D NBDD004 5.9 7.8 P LAL 3 2 LT BUF fine grained Pmx LPC D NBDD004 7.8 9.3 P pi LAL 3 2 MD TAN pisolites are likely from a conglomeratic fluvial deposit rather than in-situ; interpreted as transported Pmx LPC D NBDD004 9.3 11.5 P LSP 3 2 MD BUF possibly tranported; presence of sandy beds wih detrital zircons make it difficult to differentiate transported from saprock Pmx LPC D NBDD004 11.5 11.9 P LMT 3 2 MD BUF Mottled aspect suggests it is true saprock Pmx LPC D NBDD004 11.9 15.2 P LSP 3 2 LT BUF with rounded red clasts;perhaps pisoliths; possibly transported but interpreted as saprock with concretions as a mottled zone overlies it. Pmx LPC D NBDD004 15.2 17.7 P bc LSP 3 1 LT BUF broken up to gravel Pmx LPC D NBDD004 17.7 21.5 P LSP 3 2 LT BUF fairly uniform; not many features Pmx LPC D NBDD004 21.5 22.9 P pi peb LSP 3 2 DK TAN with concretions usually up to 2 cm up to 5 cm angular one at 22m; looks like conglomeratic but interpreted as in situ concretions Pmx LPC D NBDD004 22.9 26 P LSP 3 2 LT BUF concretions; perhaps pebbly/conglomerate protolith Pmx LPC D NBDD004 26 28.9 P LMT 3 2 MD TAN mottled alteration bands of irregular shape Pmx LPC D NBDD004 28.9 31.5 P cly LSP 3 2 MD TAN Pmx LPC D NBDD004 31.5 36.5 P LMT 3 2 MD TAN occasional pebles Pmx LPC D NBDD004 36.5 42.8 P san cly LSP 3 2 MD BUF possibly arkose protolith where felsdspars have gone to clay and residual quartz grains up to 1 mm and certain lithic clasts up o 2mm are left behind in situ Pmx LPC D NBDD004 42.8 43.6 P SST 3 3 MD BUF quartz-arenite; in sapprolite zone but it is nearly all qtz so it is unaltered Pmx LPC D NBDD004 43.6 48.5 P LSR 3 2 MD WHT Sap-rock from here: textures are better preserved than above. Difficult to identify protolith; bedded sedimentary rock; possibly dolostone with crypt-microbial laminations; no HCl rxn; Pmx LPC D NBDD004 48.5 60.9 P pyr LSR 3 2 LT GRY bands 2-5 cm thick with 5-20% oxidised pyrite 1mm; protolith difficult to determine but interpreted to be dolostone; Interbedded orangy beds 5cm thick (esp visible at 57-60m) may be siltstone or shale within dolostone; bottom 30cm is almost gossanous in appearance: dark orange and purple with manganese dendrites Pmx LPC D NBDD004 60.9 63 P LSR 2 LT BUF seems to be dolostone interbedded with siltstone or mudstone; dolostone is unweathered; siltstone is orange from Fe-O Pmx LPC D NBDD004 63 82.4 P dol SSL 1 4 LT GRY interbedded mudstone (chlorite dark green) and dolomitic siltstone (hard as dolomite); mudstone layers are 1-2 cm thick and dolostone 5-20+ cm; no pyrite; bedding-perpendicular fractures in mudstones have alteration halo that is white rather than green; slumping at 76m; in-situ bedding-parallel bxa 2cm thick at 79m; nearly white core from alteration Pmx LPC D NBDD004 82.4 106.3 P cly itb SIH 3 3 LT GRN interbedded on a much more rapid cahnge than above interval; changes from siltstone to mudstone/shale nearly every centimetre; siltstone is white and relatively hard (3) whreas shale is green and soft from clay alteration or from primary clay; Shale is green presumably from chlorite alteration; As above; bedding perpendicular fracture gashes 2-3cm long with white alteration halo (chlorite-destructive?) Pmx LPC D NBDD004 106.3 130.8 P SSL 3 3 LT GRY GRN grey to white siltstone; grey beds hard due to silicification?; softer whiter parts increased clay - more oxidation or different protolith; some parts slightly green due to chlorite(?) alteration; fractures with white (clay) selvage through grey silicified siltstone; minor large blebs and beds of less weathered brown siltstone Pmx LPC D NBDD004 130.8 136.4 P bed SSL 3 2 LT GRY GRN white thinly bedded siltstone; bedding uncommon and grey; rock very soft - mostly clay; minor beds with black siliceous sub-rounded clasts or nodules; Pmx DDC D NBDD004 136.4 139.8 P SSL 3 2 WHT white siltstone (now clay) with minor grey beds as previous interval; common black siliceous coarse sub-rounded clasts or nodules (also occasionally grey/translucent) - silica replacing carbonate nodules or volcanic glass? Bottom of interval lacks bedded - breccia/conglomerate that grades into siltstone? Pmx DDC D NBDD004 139.8 141.1 P bed fer SSL 3 2 LT ORA CRM orange siltstone (now clay); minor grey beds less weathered and harder; red siliceous sub-rounded 1mm clasts at 140.2-140.6; occasional black siliceous clasts as before; Pmx DDC D NBDD004 141.1 158.8 P SSL 3 2 WHT GRY white siltstone (now clay) with very occasional grey beds as previous interval; common black siliceous coarse sub-rounded clasts or nodules (also occasionally grey/translucent) - silica replacing carbonate nodules or volcanic glass? Alternating between densely packed clasts in breccia(?) and more massive white clay with occasional grey beds; Pmx DDC D NBDD004 158.8 161.9 P fer lam SSL 3 2 TAN tan thinly bedded siltstone (now clay; common black siliceous coarse sub-rounded clasts or nodules (also occasionally grey/translucent) - silica replacing carbonate nodules or volcanic glass? Pmx DDC D NBDD004 161.9 164.3 P SSL 3 2 WHT white siltstone (now clay); uncommon hard brown spheres - remenment siltstone or silicified nodules? Rare black siliceous clasts; Pmx DDC D NBDD004 164.3 166.7 P sil SSL 3 3 WHT GRY white siltstone (now clay) and dark grey silicified siltstone; silicificaton confined to specific beds; core broken/rubble in silicified parts; Pmx DDC D NBDD004 166.7 168.6 P SSL 3 2 WHT TAN white siltstone (now clay); Rare black siliceous clasts; Pmx DDC D NBDD004 168.6 172.5 P fer lam lb SSL 3 2 LT BRN brown laminated coarse siltstone (now clay); rare haematite nodules and beds - after pyrite? Leisegang banding; Pmx DDC D NBDD004 172.5 175.3 P chl lam lb SSL 3 2 LT GRN green (chloritic) coarse siltstone (now clay); leisegang banding Pmx DDC D NBDD004 175.3 176.7 P fer lam lb SSL 3 2 RED GRN red laminated coarse siltstone; minor green (chloritic) laminations; leisegang banding; Pmx DDC D NBDD004 176.7 188.95 P chl lam lb SIH 2 3 LT GRN TAN green (chlorite) laminated shale interbedded with tan (iron oxide) siltstone; cubic <1mm disseminated iron oxide after pyrite; white (clay) beds - more weathered? Soft sediment deformation in shale; leisegang banding in siltstone; haematite after pyrite lensoidal nodule at 188.8 Pmx DDC D NBDD004 188.95 190.2 P cbn chl lam SSH 1 3 DK GRY GRN black shale partially & chaotically weathered/altered to chlorite; soft sediment deformation; lacks pyrite psuedomorphs of previous interval Pmq DDC D NBDD004 190.2 197.8 P chl lb fra SIH 2 3 LT GRN TAN green (chlorite) shale interbedded with tan (iron oxide) siltstone; leisegang banding in siltstone; white rimmed fractures mainly a 194.5-196; Pmq DDC D NBDD004 197.8 199.2 P cly SSH 3 2 DK TAN shale weathered to tan puggy clay Pmq DDC D NBDD004 199.2 211.2 P cbn pyr dol SSH 0 3 BLK pyritic carbonaceous dolomitic black shale; presumably laminated based on fractures; fine pyrite disseminated and in beds and lensoidal nodules; rare grey beds high in dolomite; Pmq DDC D NBDD004 211.2 213.4 P dol pyr cbn SSH 0 3 BLK pyritic carbonaceous dolomitic black shale; presumably laminated based on fractures; common grey beds high in dolomite with coarse pyrite; fine pyrite disseminated and in beds and lensoidal nodules; Pmq DDC D NBDD004 213.4 215.3 P lam SSH 3 2 MD GRY TAN oxidised shale; some beds tan iron oxide after pyrite; some remenent black shale; oxidation crosses bedding at contact Pmq DDC D NBDD004 215.3 216 P dol pyr cbn SSH 0 3 BLK pyritic carbonaceous dolomitic black shale; presumably laminated based on fractures; common grey coarse dolomitic beds with coarse pyrite; fine pyrite disseminated and in beds and lensoidal nodules; Pmq DDC D NBDD004 216 217.1 P chl lam lb SSH 3 2 MD TAN GRN oxidised shale; some beds tan iron oxide after pyrite; some remenent black shale; oxidation crosses bedding at contact; leisegang banding; small fault(?) breccia at 216.5; beds of coarse dolomite with iron oxide after pyrite; Pmq DDC D NBDD004 217.1 223.9 P dol pyr cbn SSH 1 3 MO BLK TAN pyritic carbonaceous dolomitic black shale; presumably laminated based on fractures; less carbonaceous than previous intervals; partially weathered mainly along fractures; common grey coarse dolomitic beds with coarse pyrite clasts (replacing carbonate?); fine pyrite disseminated and in beds; Pmq DDC D NBDD004 223.9 248.3 P chl fer dol SSH 2 2 MO GRN BLK oxidised chloritic dolomitic laminated shale; iron oxide beds after pyrite; some remenent dark hard (maybe) carbonaceous shale; occasional discrete beds of coarse dolomite with iron oxide clasts after pyrite; faint leisegang banding; Pmq DDC D NBDD004 248.3 262.2 P chl fer dol SSH 2 2 MO GRN BLK oxidised chloritic dolomitic laminated shale; iron oxide beds after pyrite; common remenent dark hard (maybe) carbonaceous shale; occasional discrete beds of coarse dolomite with iron oxide clasts after pyrite; very pyritic from 254-255 and 258.5-259.5; Pmq DDC D NBDD004 262.2 268.4 P chl fer dol SSH 2 2 MO GRN BLK oxidised chloritic dolomitic laminated shale; iron oxide beds after pyrite; rare remenent dark hard (maybe) carbonaceous shale; occasional discrete beds of coarse dolomite with iron oxide clasts after pyrite; Pmq DDC D NBDD004 268.4 269.7 P SDO 1 4 KHA 3 small cycles of coarse dolomite with ~1mm clasts of shale-quartz-pyrite which fines up into laminated dolomite; fizzes and has Mg+Ca from XRF; Pmq DDC D NBDD004 269.7 271.2 P lam VTF 1 4 MO YEL BRN laminated fine-medium grained tuff; yellow alteration replacing original pinkish brown rock mass; ~1mm clasts of chloritic shale+quartz; very potassic (XRF tested); possibly potassic altered sandstone instead of tuff; Pmq DDC D NBDD004 271.2 320.7 P chl fer dol SSH 2 2 MO GRN GRY oxidised chloritic dolomitic laminated shale; iron oxide beds after pyrite; rare remenent dark hard (maybe) carbonaceous shale; occasional discrete beds of coarse dolomite with iron oxide clasts after pyrite; Pmq DDC D NBDD004 320.7 322.75 P VTF 1 4 MO PNK GRN fine-medgrained tuff with 1-2mm quartz clasts; 1-2mm carbonate nodules; green/white chlorite altering brownish pink rock mass; very potassic (XRF tested); Pmq DDC D NBDD004 322.75 334.4 P chl fer dol SSH 2 2 MO GRN GRY oxidised chloritic dolomitic laminated shale; iron oxide beds after pyrite; rare remenent dark hard (maybe) carbonaceous shale; 30cm breccia interval with sub-angular siliceous and dolomitic clasts in chloritic matrix at 326.5; Pmq DDC D NBDD004 334.4 344.9 P chl dol lam SSH 2 2 MO GRN GRY oxidised chloritic dolomitic laminated shale; common remenent dark hard (maybe) carbonaceous shale; minimal iron oxide beds after pyrite; fine-medium grained possible tuff or sandstone at 338.1-338.2 & 342.5-342.6; HCl rxn Pmq DDC D NBDD004 344.9 347.9 P chl dol fra SSH 2 3 MO GRN BRN oxidised chloritic dolomitic laminated shale; common remenent dark hard (maybe) carbonaceous shale; core broken/fractured with clay on surfaces; brown/pink/yellow coarse tuff or sandstone with clasts of quartz and weathered vugs; Pmq LGS D NBDD004 347.9 359.7 P dol chl fer SSH 2 2 MO GRN BRN oxidised moderately chloritic dolomitic laminated shale; iron oxide beds after pyrite; rare remenent dark hard (maybe) carbonaceous shale; occasional brown/yellow silicified coarse beds (tuff/sandstone); basal sandy layer at bottom 10 cm; may be base of parasequence; also at 356m Pmq LGS D NBDD004 359.7 363.2 P dol chl SSH 2 2 MO GRN BRN oxidised chloritic dolomitic shale with remanent black shale giving rise to the mottled green colouration; similar to interval above but with less hematite Pmq LPC D NBDD004 363.2 365.7 P SSH 1 3 BLK GRN only a minor chloritic interval; mostly black shale; shale is not dolomitic or calcareous (no HCl rxn; easy to scratch); basal sandy unit at bottom 10 cm; may be base of a parasequence; contacts are gradational (on and off) betw black and mottled green shale Pmq LPC D NBDD004 365.7 390.2 P chl hmt SSH 3 2 MO GRN GRY basal sandy unit at bottom 20cm of interval may be base of a parasequence; chloritic possibly dolomitic shale; hematite bands; chloritised portions have lower specific gravity (s.g.) than black unchloritised ones. Net loss of mass in alteration (chloritisation + other?) Pmq LPC D NBDD004 390.2 394.7 P SSH 1 3 BLK very weakly-calcareous shale (no HCl rxn); weakly laminated but strongly obscured by drilling striations Pmq LPC D NBDD004 394.7 398.6 P chl hmt lb SSH 3 2 MO GRN GRY leisegang banding of hematite perpendicular to laminations at 396m Pmq LPC D NBDD004 398.6 401.2 P SSH 1 3 BLK very weakly calcareous or dolomitic shale Pmq LPC D NBDD004 401.2 405.1 P chl lam SSH 2 2 MO GRN GRY weakly chloritised shale green along fracture and certain bedding planes Pmq LPC D NBDD004 405.1 408.3 P lam SSH 2 2 DK GRY very weak HCl rxn; slightly dolomitic shale Pmq LPC D NBDD004 408.3 416.7 P chl slt bc SSH 3 2 MO GRN GRY silty in the top 2 metres and less strongly chloritised; broken core from 410m to bottom of interval; 10 cm interval at 409.1m with lots of 2 mm heamatite clusters (see photo) Pmq LPC D NBDD004 416.7 420.7 P lam dol SSH 1 3 BLK dolomtic shale Pmq LPC D NBDD004 420.7 425.2 P chl dol bc SSH 3 2 MO GRN GRY chloritisation is often bedding-controlled as green bands in black shale; intervals of broken core and gauge possibly as a result of a fault Pmq LPC D NBDD004 425.2 428.4 P dol lam SSH 1 3 BLK dolomitic shale; not chloritised Pmq LPC D NBDD004 428.4 436.1 P bc cal lam SSH 3 2 BLK continued interval of dolomitic or calcareous (moderate HCl rxn) shale but with a fault zone with some gauge and lots of fracturing; clayey material in the fault Pmq LPC D NBDD004 436.1 438 P bxd cal FTZ 3 2 MO GRN GRY calcareous shale brecciated with shale clasts and clayey dark matric; clasts supported; interpreted as fault breccia; quartz pebbles in fault at 436.5m depth (see photo) Pmq LPC D NBDD004 438 444.7 P cal SSH 0 3 BLK calcareous shale (HCl rxn) Pmq LPC D NBDD004 444.7 454.1 P cal bxd SSH 0 3 BLK many intervals of broken core and fault gauge; HCl rxn: calcareous or perhaps dolomitic shale; 10 cm white clay with shale pebbles at 445.4 m Pmq LPC D NBDD004 454.1 458 P cal bxd pyr SSH 0 3 BLK weakly pyritic black shale; calcareous; many fractures with core loss and broken core from possible fault zone at 457 m Pmq LPC D NBDD004 458 470.2 P pyr bxd cbn SSH 0 3 BLK pyritic black shale; carbonaceous; not calcareous; broken core with greenish-whitish powder coating fractures (pXRF 04\10 #13; no salient anomalous elements except maybe K at 4%) Pmq LPC D NBDD004 470.2 471.6 P chl SSH 2 2 MD GRN weathered shale in between the base of the pyritic shale and the breccia interval; chloritised; leached; 10cm of clay alteration; contact with pyritic shale is not faulted; appears to be a conformable contact; alteration front at 471.6m Pmq LPC D NBDD004 471.6 475.1 P chl msp SBX 2 2 MD GRN matrix-supported breccia; clasts size 1-10 cm angular; contains clasts of weathered shale; minor clayey interval Pmq LPC D NBDD004 475.1 476 P chl bxd SSH 2 2 MD GRN interval of weathered shale; possibly a large clast considering that breccia is continuous below this interval; Laminations are alpha = 50; a bit lower than most shale and may indicate this is a block; minor brecciated interval in fractures in the shal; may possibly be siltstone as well; soft clayey alteration and chlorite alteration Pmq LPC D NBDD004 476 482.2 P chl SBX 2 2 MD GRN very angular clasts in clast-rich (nearly clast-supported) sed breccia. Larger clasts (3cm+) are more purplish at their centers and chloritised on the outside. Clasts are monomictic in this section; interpreted to be shale; soft from clay alteration Pmq LPC D NBDD004 482.2 485 P chl bxd SSH 2 2 MD GRN other interval of chloritic shale withing overall breccia interval; alpha of lamination approx 75; similar to overall bedding; unsure whether this is a block or represents a quiescent period with shale deposition or large block Pmq LPC D NBDD004 485 506.6 P chl hmt csp SBX 2 2 MD GRN some clasts are have haematitic alteration (e.g. 495m); clasts are interpreted to be altered shale; K-altered (6% pXRF 4/10 #16); clast-supported; poorly-sorted with range from 1 mm-10cm+; sub-angular Pmq LPC D NBDD004 506.6 510.4 P chl msp cly SBX 2 2 MD GRN Matrix-supported breccia; poorly-sorted angular dolomite clasts up to 5 cm; clasts are unaltered hard dolomite in soft green clayey green matrix Pmq LPC D NBDD004 510.4 514.1 P clv san SBX 2 2 MD BRN clay-rich; soft when wet; porous (absorbs water); full of clasts and pebbes; clasts in general are smaller than in above interval so it is not simply the same rock with a more weathered matrix; possibly different protolith as well; includes quartz and lithics suggestng sandy input Pmq LPC D NBDD004 514.1 515.8 P chl csp SBX 1 2 MD GRN Clasts-supported polymictic (mostly shale; possibly some is altered dolomite) breccia; clasts variably altered; moderate sorting; mosty between 1-3 cm; perhaps sericite raher than chlorite alteration; light clay alteration Pmq LPC D NBDD004 515.8 518.8 P cly csp SBX 2 2 MD BRN Similar to above interval but with increased clay content; matrix is more clay rich and was soft and water-logged when drilled Pmq LPC D NBDD004 518.8 520.4 P cly csp SBX 3 2 LT TAN strongly weathered/altered; poorly sorted angular breccia; clats up to 3 cm Pmq LPC D NBDD004 520.4 527 P cly csp SBX 3 2 LT TAN GRN increased clay content than interval above; less altered; clasts-supported breccia; clasts interpreted to be shale; possibly K-altered (sericite?); monomict Pmq LPC D NBDD004 527 534 P csp hmt SBX 3 2 LT TAN GRN Only minor clay content; angular poorly-sorted sed breccia; minor hematitic alteration in some clasts; interpreted as monomictic shale clasts but they are variably altered; clasts generally around 1cm and up to 10 cm; clast tested by pXRF high K (9%) 4/10 #15 Pmq LPC D NBDD004 534 536.5 P bxd sty SDO 1 4 LT GRY GRN Likely to be a large block of dolomite in this breccia; perhaps slope breccia with debris; block is brecciated; perhaps from Pmq LPC D NBDD004 536.5 541.9 P csp san SBX 3 2 LT GRN clast-supported anglar poorly-sorted breccia; polymictic including mostly shale with some dolomite; some clasts variably altered; some with hematite; 40 cm of chloritic (green) shale interpreted to be large clast; 20 cm clay-rich interval at 541.1 m with coarse sandy material (incl quartz grains) Pmq LPC D NBDD004 541.9 543 P sty SDO 1 4 LT BUF GRN interpreted as a dolostone clast in the breccia; with 2cm dolomite veins with minor hematite; dolostone is massive; no bedding or features except some stylolites Pmq LPC D NBDD004 543 543.9 P san CLA 4 1 MD GRN solid clay; malleable when water-logged; sandy gritty material in the clay including a litle bit of angular quartz grains; perhaps karst? Breccia has qtz grains as well so it may be a strongly weathered version of the breccia or a karst-fill that incorporates these little qtz grains from the breccia host lithology Pmq LPC D NBDD004 543.9 545.4 P sty SDO 1 4 LT MUV TAN massive dolostone yellowish green above with sharp contact to mauve at 544.7m; interpreted as a block in talus breccia Pmq LPC D NBDD004 545.4 545.8 P CLS 0.4m CL Pmq LPC D NBDD004 545.8 546.9 P dol cly SBX 2 4 LT MUV GRN Breccia with dolomite clasts; clay alteration of the matrix; dolomite is almost unweathered but matrix is strongly altered in some places Pmq LPC D NBDD004 546.9 548.2 P CLS 1.3m CL Pmq LPC D NBDD004 548.2 549 P cly dol SBX 3 1 LT GRN Soft clay matrix with dolomitic clasts Pmq LPC D NBDD004 549 549.6 P CLS Pmq LPC D NBDD004 549.6 551.1 P cly csp SBX 4 0 LT GRN Completely clay-altered; poorly-sorted angular clasts; clast-supported Pmq LPC D NBDD004 551.1 551.5 P CLS Pmq LPC D NBDD004 551.5 554 P bxd SDO 1 4 LT MUV GRN dolomite interval containing a brecciated interval with dolomite infill; this looks like tectonic brecciation probably from previous event; interp as dolostone block in breccia/megabreccia Pmq LPC D NBDD004 554 554.4 P cly SBX 3 1 LT GRN angular poorly-soprted clast-supported breccia strongly clay-altered; this makes up the matrix between large dolostone blocks Pmq LPC D NBDD004 554.4 556 P bxd SDO 1 4 LT MUV GRN dolomite interval containing a brecciated interval with dolomite infill; this looks like tectonic brecciation probably from previous event; interp as dolostone block in breccia/megabreccia Pmq LPC D NBDD004 556 557.9 P cly SBX 4 2 LT GRN Clay-altered; chlorite? (green) altered; poorly-sorted angular clast-supported breccia; up to 8cm; includes dolostone clasts and weathered shale; Pmq LPC D NBDD004 557.9 561 P bxd SDO 1 4 LT MUV GRN dolostone is bedded 5-10 mm and has layer-parallel breccias 4cm thick; perhaps as ripping-up of bedding creating monomictic breccia; this would be from previous event; this dolostone is a blcok within the overall breccia Pmq LPC D NBDD004 561 562.6 P cly SBX 4 1 LT GRN same poorly-sorted angular breccai altered to clay; 0.2 m core loss Pmq LPC D NBDD004 562.6 563.4 P bxd sty SDO 0 4 LT MUV GRN minor clay-altered sbx intervals; massive dolostone Pmq LPC D NBDD004 563.4 563.8 P CLS Pmq LPC D NBDD004 563.8 566.4 P bxd sty SDO 0 4 LT MUV Pmq LPC D NBDD004 566.4 566.7 P CLS Pmq LPC D NBDD004 566.7 567.1 P cly SBX 3 1 LT GRN Pmq LPC D NBDD004 567.1 567.5 P CLS Pmq LPC D NBDD004 567.5 568.4 P cly SBX 3 1 LT GRN with some hard dolomite clasts 10cm full core width Pmq LPC D NBDD004 568.4 568.7 P CLS Pmq LPC D NBDD004 568.7 572.1 P cly SBX 3 1 LT GRN including some dolostone Pmq LPC D NBDD004 572.1 572.6 P bxd SDO 1 4 LT brecciated from previous tectonic event Pmq LPC D NBDD004 572.6 573 P CLS Pmq LPC D NBDD004 573 573.8 P cly SBX 3 1 LT GRN Pmq LPC D NBDD004 573.8 574.6 P CLS Pmq LPC D NBDD004 574.6 575.4 P cly bc SBX 3 1 LT GRN polymictic dol-shale poorly-sorted sub-angular Pmq LPC D NBDD004 575.4 576.1 P CLS Pmq LPC D NBDD004 576.1 577.3 P cly SBX 3 1 LT GRN polymictic breccia with yellow (dol) and green (shale) clasts 1-5cm large; poorly sorted sub-angular Pmq LPC D NBDD004 577.3 577.6 P CLS Pmq LPC D NBDD004 577.6 577.8 P bed hmt sty SDO 0 4 LT MUV BRN bedded dolostone 3-5mm beds; discontinuous and distrurbed bedding; hematite in stylolites; purplish dolomite above and beige-brown at the bottom Pmq LPC D NBDD005 0 1.2 P grv cly LAL 5 3 MO BRN WHT polymict rounded gravel with white clay matrix and some sandy layers; some clasts are manganese rich; Pmnc MDS D NBDD005 1.2 7.9 P SSL 3 3 CRM TAN leached interbedded siltstone and clay/shale; pervasive dendritic manganese on fractures and bedding surfaces; minor orange (iron?) staining; Pmnc MDS D NBDD005 7.9 13.2 P SSL 3 3 TAN GRY leached interbedded siltstone and clay/shale; minor intervals of grey unweathered interbedded siltstone - preserved due to silicification? Some bedding preserved in leached clay rich areas; occasional dendritic manganese; manganese and iron staining (red/orange) fractures and bedding surfaces; voids from 11-12m - after carbonate? Pmnc MDS D NBDD005 13.2 20.5 P SSL 3 3 TAN CRM leached interbedded siltstone and clay/shale; minor preserved bedded; pervasive dendritic manganese on fractures and bedding surfaces; minor orange (iron?) staining; Pmnc DDC D NBDD005 20.5 35.2 P SSL 3 3 TAN GRY leached interbedded siltstone and clay/shale; minor intervals of grey unweathered interbedded siltstone - preserved due to silicification? Some bedding preserved in leached clay rich areas; common dendritic manganese; manganese and iron staining (red/orange) fractures and bedding surfaces; Pmnc DDC D NBDD005 35.2 49.9 P SSL 3 3 TAN GRY leached interbedded siltstone sandstone and clay/shale; intervals of grey unweathered interbedded siltstone - preserved due to silicification? Some areas of tan/brown are very light (porous?) - highly weathered or de-dolomitised? Occasional dendritic manganese; manganese and iron staining (red/orange) fractures and bedding surfaces; occasional silicified nodules or clasts in siltstone Pmnc DDC D NBDD005 49.9 51.7 P lam V SIH 0 3 DK GRN calcareous and with many cross-cutting calcite veins including pink ones; rare 1mm Py blebs Pmnc LGS D NBDD005 348 355.4 P cal lam SSL 0 3 DK GRN veins and vugs are infilled with calcite; strong HCl rxn in veins and vugs whereas higher up hole it was more dolomite as it onlyfizzes lightly when scratched to a powder Pmnc LGS D NBDD005 355.4 356.5 P V SSL 0 4 MD GRY only very minor laminations as measured in structural table; possibly breccaited from a fault but no main structure Pmx LGS D NBDD005 405.2 407.3 P cal BFL 0 4 DK GRY minor vein breccia in an overall breciated interval; this has some aspects of being a sedimentary breccia of accummulation of angular clasts but also some fault-related in-situ brecciation; containing siltstone and shale clasts see photo107-0175 Pmx LGS D NBDD005 407.3 410.1 P cal itb SIH 0 4 MD GRY finely interlaminated; fine calcite veins; lower contact is a calcite vein with small pore space and 1mm pyrite cubes Pmx LPC D NBDD005 410.1 413 P cal itb SSL 0 4 MD GRY Pmx LPC D NBDD005 413 422 P SSL 0 4 MD GRY "intervals of in situ brecciation with shaley matrices and calcite veining conatining Py cubes; calcite infills veins and ""vugs"" which may be veinlets/dewatering structures made dicontinuous by deformation and slumping" Pmx LPC D NBDD005 422 422.7 P cal SSL 0 4 MD GRY lots of calcite infilling pore space of irregular shapes; perhaps evaporitic in origin; see photo 107-177 Pmx LPC D NBDD005 422.7 453.5 P cal SSL 0 4 MD GRY minor brecciation and 30mm calcite vein at 446m see structure table Pmq LPC D NBDD005 453.5 455 P cal SSL 0 4 MD GRY 1mm sphalerite mixed with carbonate? At 454.8 in 1mm cubes and thin fractures see photo 107-0179; Pmq LPC D NBDD005 455 456.1 P vug evp SIH 0 4 DK GRY calcite in vugs and in layer-parallel bands perhaps pseudomorphed after evaporites especially in bottom metre of interval see photo 107-0180 Pmq LPC D NBDD005 456.1 473.2 P cal SSL 0 4 MD GRY wealy calcareous (weak HCl rxn over most of interval); minor 40 cm interlaminated SIH interval at 470m with wavy and disrupted blaminae; minor bxd intervals Pmq LPC D NBDD005 473.2 476 P cal SSL 0 4 DK GRN 20 cm interval at the top of possible tuff (bright chloritic green fg interval) and another less bright green intervals between 475 and 476 which may be tuff; sandy intervals are also frequent as usual in the siltstone Pmq LPC D NBDD005 476 477 P itb SIH 0 4 DK GRY fine interlaminations Pmq LPC D NBDD005 477 484.8 P vug