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Proterozoic sediment-hosted base metal deposits AMIRA/ARC Project P.384 Report No. 1, November 1992
Leaman, DE and Keele, RA and Rogers, J and McGoldrick, PJ and Cooke, DR and Dixon, G and Davidson, GJ (1992) Proterozoic sediment-hosted base metal deposits AMIRA/ARC Project P.384 Report No. 1, November 1992. Technical Report. CODES/AMIRA, Hobart, Tasmania.
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PROJECT OBJECTIVES 1. To determine the primary geological, geochemical and structural controls on the location and timing of base metal mineral deposits in sedimentary basins. 2. To understand the chemical and hydrological evolution of metalliferous brines in selected Proterozoic sedimentary basins of Australia. 3. To develop basin metallogenic models and specific ore deposit models that may be used in the exploration for large-tonnage base-metal ore deposits. RESEARCH FRAMEWORK This research project involves a multi-disciplinary approach using regional geological, geophysical and structural studies, brine chemical modelling and geochemical and isotopic halo studies to provide a foundation on which to build a network of exploration criteria and ore deposit models for major sediment-hosted base metal deposits. The project consists of three research modules as outlined below: This is the first major progress report on the project and covers the six-month period from May to October 1992. Very good progress has been achieved in all three modules. M1: Basin Analysis • David Leaman reports on a regional geophysical analysis of basic architecture in the Southern McArthur basin, surrounding the HYC deposit. • Richard Keele and Jamie Rogers provide a preliminary report on structural mapping in the Southern McArthur Basin. M2: Deposit Halos • Peter McGoldrick reports on progress to date in the geochemical study of the Lady Loretta halo. M3: Brine Chemistry • David Cooke has undertaken initial computer modelling on fluid geochemistry of sedimentary brines to simulate potential ore-forming conditions for sediment-hosted Pb-Zn deposits. Important data and conclusions are already emerging from this project which have significant implications for exploration and will be discussed in detail at the November meeting. Progress in the first six months of the project has been very encouraging and I would like to acknowledge the excellent work by the CODES research team and the cooperation provided by the BMR and sponsor companies. Ross Large Director CODES
|Item Type:||Report (Technical Report)|
|Date Deposited:||20 Oct 2009 02:26|
|Last Modified:||18 Nov 2014 04:06|
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