Digital mineral exploration and research data for the Wharekirauponga epithermal gold-silver deposit, Hauraki Goldfield, New Zealand

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SR_2003-024-pdf
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Christie, A.B.; Mazengarb, C.; Warnes, P.N.; Jongens, R. 2003 Digital mineral exploration and research data for the Wharekirauponga epithermal gold-silver deposit, Hauraki Goldfield, New Zealand . Lower Hutt: Institute of Geological & Nuclear Sciences. Institute of Geological & Nuclear Sciences science report 2003/24 23 p. + 1 CD-ROM

Abstract: The Wharekirauponga (WKP) prospect, located about 10 km north of Waihi in the Hauraki Goldfield, is a rhyolite-hosted, low sulphidation, epithermal gold-silver deposit. Electrum is hosted in sheeted to stockwork quartz veins and disseminated in hydrothermally altered rhyolitic rocks. There has been no significant historic gold production from WKP, but exploration programmes between 1978 and 1993 have indicated the presence of a low grade resource and potential for localised high grade mineralisation. A digital database has been assembled for WKP comprising open file mining company data and results of research. The main components of the database are mining company geological and hydrothermal alteration maps, and lithological, XRD and geochemical data for 23 diamond drill holes (DDH), along with research data sets of XRD, XRF, fluid inclusion and oxygen isotope analyses. These data has been used to plot maps, cross sections and 3D perspective images presented in digital form. A selection of photographs is also presented. (auth)