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Showing: 1 to 10 of 1930 matches for "illite"  Page   1   2   3   4   5   6   7   8   9  next TITLE Paleo-Latitude Of The Intertropical Convergence Zone During Late Cenozoic In The Pacific Manganese Nodule Belt  SUMMARY ... The amount of illite in surface sediments decreases gradually from 65% at 17 N to 31% at 9 N. In ... Smectite-illite transition, a ... AUTHOR Hyeong, Kiseong PUBLISHED 2004 TITLE A Preliminary Investigation of Hydrothermal Alteration at the Rahu and Ascot Epithermal Au-Ag Prospects, Southern Hauraki Goldfield, New Zealand  SUMMARY ... These host rocks are intensely altered by quartz, adularia, albite, chlorite, pyrite, illite, interstratified illite-smectite and calcite. ... AUTHOR J L Mauk ; P Licence ; M Stevens ; P Atkinson PUBLISHED 2007 TITLE The Red Rock Deposit: A Late Permian Submarine Epithermal Precious Metal System in Northeastern New South Wales  SUMMARY ... Alteration minerals associated with ore are quartz, cal- cite, adularia, pyrite, illite, illite-mont- morillonite, chlorite and sphene (leucoxene). ... PUBLISHED 1987 TITLE The Distribution of Hydrothermal Minerals at the Golden Cross Epithermal Au-Ag Deposit, Waihi, New Zealand.  SUMMARY ... are used to interpret the temperature and composition of hydrothermal fluids. The disbution of interstratified illite-montmorillonite and illite indicate that ... AUTHOR Simmons SF ; Mauk JL ; McOnie A PUBLISHED 1995 TITLE The Distribution of Hydrothermal Minerals at the Golden Cross Epithermal Au-Ag Deposit, Waihi, New Zealand  SUMMARY ... The distribution of interstratified illite-montmorillonite and illite indicate that temperatures ranged from 140 to >220°C, with temperatures above 220°C ... AUTHOR S F Simmons ; J L Mauk ; A McOnie PUBLISHED 1995 TITLE Construction Uses – Adobe and Similar Materials  SUMMARY ... olinite, illite, and chlorite), with minor quartz, calcite, and feldspar ... northeastern United States, contain an abundance of illite (Potter et ... AUTHOR Austin, George S. PUBLISHED 1994 TITLE Down-Hole XRD Analyses as a Guide to Hydrothermal Alteration in the Wharekirauponga Epithermal Gold-Silver Prospect, Hauraki Goldfield, New Zealand  SUMMARY ... of the rhyolitic and andesitic rocks has developed secondary mineral assemblages of quartz, adularia, albite, chlorite, illite, sericite, interlayered illite ... AUTHOR R Soong PUBLISHED 2001 TITLE Porters Creek Clay, Geology, Processing, And Marketing Of A Unique Mineral Assemblage  SUMMARY ... southeast Missouri. Major minerals in order of abundance are Montmorillonite, Quartz, Illite , Kaolinite, and Chlorite. Mining consists ... AUTHOR Parker, Dennis C. PUBLISHED 1979 TITLE Geology, Geochemistry and Exploration Implications of Hydrothermal Alteration Associated with Epithermal Au-Ag Deposits  SUMMARY ... In all cases the development of quartz- adularia-illite is proximal to mineralisation. ... Miocene Pliocene quartz-adularia-illite (proximal) 1.0 Mt @ 27 g/t ... AUTHOR AMIRA P588 Research Team PUBLISHED 2005 TITLE Gold-Silver Mineralisation at Neavesville, Coromandel Peninsula, NZ  SUMMARY ... In rhyolitic tuffs, highly silicified zones containing quartz- adularia-illite assemblages are flanked by less silicified assemblages composed of albite, illite ... AUTHOR R L Brathwaite ; L Torckler PUBLISHED 1980 Showing: 1 to 10 of 1930 matches for "illite"  Page   1   2   3   4   5   6   7   8   9  next Search Again