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Search Results for "Tuff gold"

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Showing: 1 to 10 of 933 matches for "Tuff gold"  Page   1   2   3   4   5   6   7   8   9  next
TITLE Patterns of Quartz Veining in Rhyolitic and Andesitic Host Rocks at the Wharekirauponga, Neavesville and Ohui Epithermal Gold Deposits, Hauraki Goldfield 
SUMMARY ... lithologies show that andesite at Ohui, and to a much lesser degree at Wharekirauponga,
contains more thick veins than rhyolite and tuff. Gold grades show a ...
AUTHOR A Swain ; T Christie
TITLE Mineral Resources Of The High Rock Canyon Study Area, Washoe County, Nevada ? Summary 
SUMMARY ... in the study area and t hose associated wi th known dissemi nated gold-silv r and ...
Zeol ites commonly occur in vo lcani c- ri ch sed imentary rocks (eg, tuff) . ...
AUTHOR Scott, Douglas F.
TITLE Mineral Resources Of The Pahute Peak Wilderness Study Area, Humboldt County, Nevada ? Summary 
SUMMARY ... Detection limi ts for gold and ... Tuff, and rhyolite domes flows, and dikes
(DC Noble, personal comm., 1984) and shallow intrusive rocks. ...
AUTHOR Olson, Jerry E.
TITLE Geology And Mineralization Of The Central Divide Mining District, Esmeralda County, Nevada 
SUMMARY ... Coarse brecciation in the King Tonopah nenber of the Fraction Tuff southeast
of Gold Mountaln is widespread. Banded gray and massive ...
AUTHOR Prudden, James M. ; Jucevic, E. P.
TITLE Exploration Geology of the Golden Promise Discovery, Republic Mining District, Washington 
SUMMARY ... composed of clay- altered pyroclastic rock (frequently crystal tuff). Pyroclasts
of volcanic rock range from a few inches up to Page 10. 22 GOLD MINING 87 ...
AUTHOR Braun, Eric R.
TITLE Geology And Ore Deposits Of The La Cienega Gold District, Durango, Mexico 
SUMMARY ... The La Cienega gold District is located in the subprovince known as High Volcanic
Plateau of ... They consists of ash flow tuff, volcanic breccia and vitric tuff. ...
AUTHOR de la Garza, V.
TITLE Abstract Page - Distribution of gold occurrences on the Dunraine property near Wawa, Ontario, Canada 
SUMMARY ... Dunraine property near Wawa, Ontario, Camda. The Grace horizon of cherty and pelitic
tuff sttikes north- northwest ati dips east. Native gold occurs with ...
AUTHOR Studemeister, P. A. ; Koza, H. ; Gignac, D.
TITLE Geology And Mineralization Of The Santa Rosa Gold Deposits, Panama 
SUMMARY ... The rock types at Cerro Santa Rosa can be divided into three units. The unit underlying
the Santa Rosa gold deposits is a heterolithic fragmental tuff. ...
AUTHOR White, Don C.
TITLE Epithermal Gold Deposits of Japan. 
SUMMARY ... In Japan these deposits share common characteristics. Common Features: The gold
deposits are vein type systems hosted in "Green Tuff" geological provinces. ...
AUTHOR Iwai N ; Corbett G
TITLE Mine Planning At Round Mountain Gold Corporation 
SUMMARY ... in Type 1. Type 2 [I30 to 300 meters (425 to 1,000 feet) ] is a softer, poorly welded
tuff with gold mineralization showing more continuity than Type 1. Type 2 ...
AUTHOR Brower, Stephen J.
Showing: 1 to 10 of 933 matches for "Tuff gold"  Page   1   2   3   4   5   6   7   8   9  next

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