| | Journal (issue) | JASPER ORBS: Formation of Unique Features Turquoise Mining ROCK & GEM • Vol. 49 No. 06 • U.S. $5.99 Issue...0 74470 02033 2 EMERALD VILL AGE Blue Ridge Mining Exploration Special Section Tools of the Trade...Turquoise rough recently extracted from the North Star Mine in Cripple Creek, Colorado; a specimen of Morrisonite...underground workings is visible at the center. MINING HISTORY ASSOCIATION, WWW.MININGHISTORYASSOCIATION...deep ocean black smoker “geysers” were actually mining minerals from the earth’s interior. he mechanism | | | Book (edition) | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...gangue mineral may be considered as waste in one deposit and as ore mineral in another (e.g., hedenbergite)...particular sample derives from the stockwork of such a deposit, it will normally contain amorphous silica/opal...in modern hydrothermal equivalents (e.g., JADE deposit, Okinawa Trough, Japan). Thus, metasomatic/metamorphic...mineral inventory available elsewhere. Further deposit descriptions originated from: binn.strahlen.org |
|
Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth Mining District, Pinal County, Arizona, USA