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dc.contributor.authorWilkins, NAen_US
dc.date.accessioned2017-09-24T22:43:59Z-
dc.date.issued2014en_US
dc.identifier.govdocCR2014-0665en_US
dc.identifier.urihttps://geoscience.nt.gov.au/gemis/ntgsjspui/handle/1/86300en_US
dc.description.abstractRipple Resources is a fully owned subsidiary of Armour Energy Ltd. Armour has been exploring the gas and oil resources of the McArthur Basin, and has made a significant gas discovery in the Glyde sub basin. Ripple has selected Exploration Licences within areas inside the Armour Energy permits, and has been cooperating with Armour in order to evaluate these EL's for their base metal potential. This cooperation has involved modifications and extensions to the Armour program so that it has greater relevance for base metal exploration. Additionally the techniques and concepts used in hydrocarbon exploration overlap with leading edge base metal exploration. Base metal exploration within EL 29837 is challenging because of the rugged topography and cover geology. Breccia hosted and stratiform mineralisation trends into the area from outcropping areas to the north west, the most notable being the Coxco trend and the Myrtle sub basin. The imputed depths of mineralisation are believed to be mostly about 500m - 1000m, below the limit of airborne EM penetration. Ripple has participated with Armour in two major activities within EL 29837. A Falcon airborne gravity and magnetics survey has been flown, imaged and interpreted. One gravity anomaly adjacent to the Emu fault was diamond drilled to 1275m in hole LP3. The hole was subsequently logged with downhole geophysics including IP. This hole intersected 75m of semi massive pyrite infill and replacements hosted by the Cooley breccia member of the Barney Creek formation. This is considered significant because it demonstrates that the Falcon survey has generated drill targets due to sulphides, and also it demonstrates that a significant hydrothermal sulphide system has mineralised the Barney Creek Formation in the area. The Caranbirini member of the Lynott formation is considered to be a secondary base metal target because of its abundance of laminated pyrite, its occasional zinc lead anomalism and numerous occurrences of infill mineralisation occur up to its base. It is considered that several other gravity features could be due to sulphide accumulations, but there remains a difficulty in ranking them prior to drilling. The depth to target needs to be better estimated, and the likelihood of base metals rather than pyrite is also a factor to consider. Ongoing work is planned for the EL. This includes further modelling of the Falcon gravity data, and trials of leakage geochemistry over selected gravity features. The purpose of this next stage is to rank prospective gravity features for future drilling.en_US
dc.subject.classificationBase metalsen_US
dc.subject.classificationGeologyen_US
dc.subject.classificationExploration historyen_US
dc.subject.classificationGeophysical surveysen_US
dc.subject.classificationAerial geophysical surveysen_US
dc.subject.classificationAerial gravity surveysen_US
dc.subject.classificationGeophysical interpretationen_US
dc.subject.classificationDown hole geophysicsen_US
dc.subject.classificationDrill core samplingen_US
dc.subject.classificationAssayingen_US
dc.subject.classificationAssay valueen_US
dc.subject.classificationPyriteen_US
dc.subject.classificationBrecciaen_US
dc.subject.classificationSpecific Gravityen_US
dc.titleEL 29837 Catfish Hole First annual report year to 26 August 2014en_US
dc.relation.isatmap100Borroloola 6165en_US
dc.relation.isatmap100Glyde 6164en_US
dc.relation.isatmap250Bauhinia Downs SE5303en_US
dc.relation.isatgeolprovinceGeorgina Basinen_US
dc.relation.isatgeolprovinceMcArthur Basinen_US
dc.description.stratnameBarney Creek Formationen_US
dc.description.geochemicalsampling69 Drill samples from Lamont Pass-3en_US
dc.description.drilling1 Diamond hole for 1,275 m (Lamont Pass-3)en_US
dc.identifier.tenureEL29837en_US
dc.description.publicnotesSee PR2013-0005 for Airborne Gravity Surveyen_US
dc.description.publicnotesSee PR2014-0004 for Drilling Dataen_US
dc.description.modifyhistory29/10/2014en_US
dc.contributor.holderRipple Resourcesen_US
dc.identifier.collectionnameMinerals Exploration Reports (MEX)en_US
dc.identifier.govdocprefixCR2014en_US
local.flag.notified1
Appears in Collections:Minerals Exploration Reports (MEX)

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