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Studies of VHMS-related alteration: geochemical and mineralogical vectors to ore CODES/AMIRA Project P.439 Report 2, May 1996
Gifkins, CC and Allen, RL and Stolz, AJ and Duhig, N and McPhie, J and Wyman, B and Davidson, GJ and Eggins, SM and Fulton, R and Large, RR and Hill, A and Sharpe, R and Yang, K and Gemmell, JB (1996) Studies of VHMS-related alteration: geochemical and mineralogical vectors to ore CODES/AMIRA Project P.439 Report 2, May 1996. Technical Report. CODES/AMIRA, Hobart, Tasmania, Australia.
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THIS REPORT This is the second major report on the project, coming twelve months after the commencement of the project in May 1995. Major advances over the last six months have occurred in the following areas: REGIONAL VOLCANIC FACIES, ALTERATION AND GEOCHEMISTRY IN THE MRV Mapping and sample collection took place along three major east-west traverses selected to provide exposure to a range of volcanic facies and alteration styles: • Mt Black to Murchison Gorge • Halls Rivulet Canal-Hercules-Red Hi1ls-Anthony Dam • Jukes Road across CVC and EQP sequences Reports on the preliminary results are given for each traverse. Detailed petrography, alteration mineralogy, geochemistry and volcanic facies analysis will proceed over the next six months. This data will form an important base line for the MRV database. ORE DEPOSIT CASE STUDIES Progress reports for the case studies at Hellyer, Rosebery, Thalanga and Gossan Hill are presented in this report. All these studies are at an early stage of development and represent MSc and PhD research by three students, supported by Bruce Gemmell, Rod Allen and Jocelyn McPhie. GEOCHEMICAL DATABASE FOR MRV The MRV database is partially completed, and a pre1iminary assessment of the primary geochemistry and alteration geochemistry are presented. A series of alteration vectors are presented and discussed, however, considerably more research is required to refine these vectors by including the regional traverses and ore deposit case studies into the database. ACKNOWLEDGMENTS We wish to acknowledge the support of the companies who have provided access to their deposits and exploration areas for the purposes of this project Ross R. Large Director CODES
|Item Type:||Report (Technical Report)|
|Date Deposited:||08 Dec 2010 02:10|
|Last Modified:||18 Nov 2014 04:07|
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