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Title: 2011 Group technical report MLN 2, MLN 3, MLN 951, MLN, 952, MLN 953, MLN 956, MLN 957, MLN 958, MLN 959, MLN 960, and MLN 961
Title Holder / Company: Groote Eylandt Mining Company
Report id: CR2011-0630
Tenure: MLN2;  MLN3;  MLN951;  MLN952;  MLN953;  MLN956;  MLN957;  MLN958;  MLN959;  MLN960;  MLN961
Year: 2011
Author: Hope, D
Abstract: Groote Eylandt is Aboriginal-owned land, as granted under the Aboriginal Land Rights NT Act 1976. The Groote Eylandt Mining Company Pty Ltd has its obligations defined in various lease documents including Mineral Leases and Special Purpose Leases, a Letter of Understanding dated 13 May 1965 and an Agreement dated 16 September 2006. Groote Eylandt is predominantly composed of a stable basement of Proterozoic quartz sandstones and quartzites. The overlying manganese deposits are part of a blanket of Cretaceous sediments lapping onto the western margin of the Proterozoic basement sandstones and quartzites of the McArthur Basin. The manganese orebody is a sedimentary layer, consisting of manganese strata occurring betweet clay and sand beds and gently undulates beneath the western plains of the island. It extends over an area of about 50 square kilometres as an almost continuous horizon ranging in thickness up to 11 metres. The ore body is thus essentially stratabound and strataform in character. Resource definition drilling was undertaken during FY11 covering the period 1 July 2010 to 30 June 2011 with the purpose of increasing confidence in the existing Mineral Resource and converting previously unclassified mineralisation. A total 430 Reverse Circulation RC holes were drilled for a total of 13, 639m in lease areas MLN 952, MLN 953 and MLN 959. Of these 384 holes intersected manganese mineralisation. During the reporting period, an aerial photography fly-over was also completed over the mining leases to generate additional survey control and facilitate annual reconciliations of stockpiles.
Date Added: 16-Apr-2019
Appears in Collections:Minerals Exploration Reports (MEX)

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