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| lead-zinc deposits in Yukon and northeastern British Columbia, in Morin, J. A., ed., Mineral deposits of...the northern Cordillera: Canadian Institute of Mining and Metallurgy Special Volume 37. p. 1-18. Adair...New Guinea: Melbourne, Australasian Institute of Mining and Metallurgy Monograph 14, p. 819-826. Aho, A...the Pacific Nickel property, southwestern British Columbia: Economic Geology, v. 51, p. 444481. Aitken...Robinson memorial volume: Geological Association of Canada Special Paper 25, p. 149-161. Aitken, J. D., and |
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| Bulletin, vol. 40. New York. American Institute of Mining Engineers: Bi-Monthly Bulletin, nos. 19-24; Transactions...series, vols. 25, 26. New Haven, Conn. American Mining Congress: Papers and Addresses, 10th Annual Session...Botanical Gazette, vols. 45, 46. Chicago, 111. British Columbia, Bureau of Mines: Annual Report of the Minister... vol. 2, no. 1. Oakland, Cal. California State Mining Bureau: Report of Board of Trustees for 1908; Bulletins...Geology: Bulletin, vol. 5, nos. 12-17. Berkeley, Cal. Canada Geological Survey: Summary report for 1907; and |
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| granodiorite type (Mutschler, 1981); Climax-type vs. quartz monzonite type (White et al., 1981); F-rich vs...alkalic monzonitic Mo-(Au), alkalic syenitic Mo, 2 quartz-monzonitic to granitic Mo-Cu, (biotite-)granitic...the underlying magma quenches against layers of quartz (±feldspar, molybdenite) that crystallized within...trachyandesitic in composition and commonly contain quartz and feldspar xenocrysts that were entrained from...and skarn-type Mo mineralization is related to a quartz porphyry stock and associated dikes at YongpingShizitou |
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| Geologists: Bulletin, vols. 7, 8. American Institute of Mining and Metallurgical Engineers: Transactions, vols...Mineralogist, vols. 8, 9. Menasha, Wis. American Mining Congress: Reports of 25th and 26th Annual Conventions...Botanical Gazette, vols. 75-76. Chicago, 111. British Columbia, Bureau of Mines: Annual Report of the Minister...nos. 1-28. San Francisco, Calif. California State Mining Bureau: Bulletin, nos 91-93. San Francisco, Calif...Calif. Canada, Department.of Mines, Mines'Branch: Summary Report for 1922. Ottawa, Ont. Canada, Geological |
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| from Mexico, Canada, Norway, Finland, France, Ceylon, Nyasaland, Formosa, Greenland, British Territories...the interpretation of the geologic history of an area. 65 66 STUDIES IN GEOCHRONOLOGY The samples...Survey; F. W. Roe, Geological Survey Department of British Territories in Borneo; P. T. Flawn, Bureau of Economic...program. This work was done partly on behalf of the Division of Research of the U.S. Atomic Energy Commission...recent and complete field data for a given rock or area. In this way, the reader can readily note the degree |
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| Cover Photographs JanuarylFebruary: Tourmaline on quartz, Cruzeiro mine, Minas Gerais, Brazil. Los Angeles...Beryl and calcite, La Pita mine, Maripi Boyacii, Columbia. Cal Graeber, Leonard Himes, and Gonzalo Jara...Jara specimen, Jeff Scovil photo. May/June: Quartz (amethyst), near Badger Creek, north of Coaldale, Fremont...Scovil photo. July/August: Quartz cluster (Herkimer “diamonds’’), Treasure Mountain Diamond mine, near Little...245 Borofsky, R. L., Scepter Quartz Crystals from the Treasure Mountain Diamond Mine near Little Falls |
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| Volume 32. Number 2 12 The Gem s of Africa A treasure chest of bright stones from the Dark Continent;...orden Experience Collecting vertebrate fossils in Canada (legally); by Kenneth H. Rohn 40 The Remarkable...58 The Future of Leadville, Colorado A metal-mining district turns to tourism; by Steve Voynick REGULAR...Dates . . . . . . . . . . . . . . . 8 Scepters at Treasure M ountain Shop Talk ....... . ...... . . .18 A...'·Selecting the stone that had the smallest surface area-slightly under ¾ inch square-I constructed a square |
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| Creek .................................. . Treasure Mountain Tuff ............................. . Lower...Tuff ................................ . Snowshoe Mountain T~ff ........................ . Interlayered lava...lava flows ........................... . Sheep Mountain Andesite .................... . Huerto Andesite........................... . Volcanics of Table Mountain ................. . Lavas and related rocks of........ . Quartz latite of South Mountain ..................... . Rhyolite of Cropsy Mountain ........ |
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| hydrothermally altered areas within the upper Alamosa River Basin, Colorado by Dana J. Bove1 Open-File Report...mineralization ..................... 4 Summitville area. ............................. 5 Iron Creek, Alum...Bitter Creek (IABC) basins .............. 5 Jasper area ................................ 6 Discussion ....Platoro caldera complex and the upper Alamosa River study area.................. 9 Figure 2. Simplified geologic...major drainages within the upper Alamosa River basin study area ... 11 ABSTRACT The geology of mineralized |
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| breccias—mainly alkali andesite, rhyodacite, and mafic quartz latite—were erupted from numerous scattered central...activity changed to explosive ash-flow eruptions of quartz latite and low-silica rhyolite that persisted until...composition intertongue with the ashflow sequence: (1) quartz latitic lavas that were erupted in and adjacent...upwarping of the Un- 2331 compahgre arch, Needle Mountain uplift, and related structures in early Tertiary...Blanco Basin sediments, volcanism broke out over an area larger than the now preserved San Juan volcanic |
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| determinations were done by R. L. Armstrong (University of British Colombia), R. F. Marvin (U.S. Geological Survey)...ash-flow tuffs Snowshoe Mountain Tuff >27.1 m.y. (>26.4 m.y.) Nelson Mountain Tuff Rat Creek Tuff Wason...Wason Park Tuff Mammoth Mountain Tuff 27.4 m.y. (26.7 m.y.) Carpenter Ridge Tuff Fish Canyon Tuff 28.5 m...Tuff Tuff of Ute Ridge 29.1 m.y. (28.4 m.y.) Treasure Mountain Tuff Ra Jadero Member Ojito Creek Member La...concurrently with ash-flow tuffs Local andesitic-quartz latitic flows and breccias that intertongue with |
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| GEOLOGY AND MINERAL DEPOSITS OF THE SNOWMASS MOUNTAIN AREA GUNNISON COUNTY, COLORADO BY JOHN W. VANDERWILT...the STATE OF COLORADO, COLORADO METAL MINING FUND, COLORADO MINING ASSOCIATION and GEOLOGICAL SURVEY BOARD...porphyry _ ___________________________________ Quartz monzonite porphyry _ __________________________...---_---_-_-_______.__________ Granite of Treasure Mountain stock. _____--______._ _ ______ General character______...Tertiary igneous rocks Continued. Granite of Treasure Mountain stock Continued. i Mode of occurrence---.- |
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| business focusing on the minerals of New York State, Canada, and China. He has field collected minerals for...Books on Related Subjects: Collector's Guide to Quartz and Other Silica Minerals. Robert L a u f 978-0-7643-4161-8...others to have success at casual collecting, or mining, their own Herkimer diamonds. Penetrating the Little...noted. Herkimer diamonds, a stunning form of quartz crystals, Their specific gravity is moderate at...transparent and colorless. Sometimes a Similar quartz crystals from other sites around the world are |
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| INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING AND TECHNOLOGY...assigned to the Moppin Formation, Kiawa Mountain Formation, Burned Mountain Metarhyolite, and Maquinita Granodiorite...Ritito Formation interfingers with the Conejos Quartz Latite of the San Juan Mountains to the north and...occurred after deposition of the Precambrian Kiawa Mountain Formation, Cretaceous Lewis Formation, and Tertiary...the Tusas Mountains, part of the southern Rocky Mountain province, and the San Juan Basin, part of the |
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| 1 Return to itss INDEX Canadian Mining Journal, Vol. 34 JANUARY 1st, 1913 TO DECEMBER 31st... The Canadian Mining Journal (With which A is incorporated "The Canadian Mining Review.") Journal...Journal Devoted to Mining and Metallurgy Published on the First and Subscription in Canada, $2.00 Fifteenth...The Canadian Mining Journal, 44-46 Lombard St., Toronto to — INDEX CANADIAN MINING JOURNAL. VOL,...Asbestos \'eius and the Mineral JN'ephrite, British Columbia, Visit to Mines of Alberta Notes on, by W |
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| November 2014 Pass Area Mineral and Archuleta Counties Colorado he Wolf Creek Pass area of southwestern...volcanic rocks of the Conejos Formation. The general area of occurrence is on the lower west slope of the...Colorado. The zeolites occurring in the Wolf Creek area that are moderately common include mordenite, analcime...Associated minerals found with the zeolites are the quartz varieties rock crystal, amethyst, and agate, as...the coauthor). 316 ROCKS & MINERALS Figure 1. Treasure Falls, Mineral County, Colorado. locations The |
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| https://archive.org/details/feeminingmineralOOOOmona FEE MINING AND MINERAL ADVENTURES IN THE EASTERN U.S. By...and the many changes due to man or nature, Fee Mining and Mineral Adventures in the Eastern U.S., its...collecting sites. “There is something about treasure that fastens itself upon a man’s mind. He will...— ZR a \ nae Good luck hunting for your treasure. May this book be a resource to aid your search...casess 34 Site 2. Iwan Creek Mine & Rock. Shop—Quartz, Crystals .o2.<...0c5.c0tsunc dieop.4poecgeqnnnctteen-- |
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| granites in well-known Mo provinces: the Treasure Mountain dome in the Colorado mineral belt (USA), and...from coarsely crystallized whole rocks to euhedral quartz crystals within miarolitic cavities. The major...intermediate-density fluid inclusions trapped in quartz of a magmatic-hydrothermal breccia contain ~40...granitic intrusions? Treasure Mountain dome (Colorado, USA) The Treasure Mountain dome is a large, granitic...anomaly 70 -300 mGal -260 mGal Leadville O Treasure Mt. Aspen Colorado Springs U Mt. Emmons Cripple |
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| lower talus-covered slopes are underlain by Huerto quartz latite and Alboroto rhyolite. Geology and Petrology...of the occurrence and origin of the rocks in an area of I2fiOO square miles in southwestern Colorado...Cross began the work in the western part of the area and by 1909 the field mapping of nine 15-minute...Irving and Bancroft (1911). The early work in the area is summarized in the following table. Early work...assisted by W. H. Emmons and L. H. Woolsley. Engineer Mountain 1907-09 Whitman Cross, assisted by (folio 171) |
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| ____ 8. Age determinations of seven samples of quartz monzonite and granite from southern California...batholith including the batholiths of Washington, British Columbia, and Alaska, average 105±13 million years;...Range along the west margins of the United States, Canada, and Mexico constitute one of the most dominant...a distance of nearly 4,000 miles and underlie an area of approximately 140,000 square miles (fig. 5)....direction to the St. Elias Range, Alaska. The division into four groups of batholiths is somewhat arbitrary |
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| INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY....................................... 14 Kiawa Mountain formation ....................................... 30 Origin of the Ortega quartzite and Kiawa Mountain forma tion .....................................Conejos(?) and Treasure Mountain formations .............................. 37 Treasure Mountain welded tuff...................................... 54 Burned Mountain metarhyolite ................................ |
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| BURIED TREASURE A Guide to Sites & Legends of the Southwest LOST MINES AND BURIED TREASURE Stephen...publisher: ISBN: 1-55838-130-8 RENAISSANCE HOUSE A Division of Jende-Hagan, Inc. 541 Oak Street "' P.O. Box...adventure in his soul has not dreamed of fmding treasure. To some, the undertaking goes no farther than...be the hazel switch for the discovery of buried treasure. If it could be so easily found, there would be...Buried treasure and lost mines have been found, but it is the dream that fascinates. Treasure still awaits |
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| Prepared in cooperation with the Colorado State Mining Industrial Development Board A study of part of...systems of Poughkeepsie Gulch ____ _ Downfaulted Red Mountain block _______ _ Conjectural structural features-..._--Exploration and mining ____________________________ _ Lake Emma-Ross Basin area ____________________..._ Cement Creek-Bonita Peak area _____ ---_--------Engineer Mountain area __________________ --- ___ Poughkeepsie...Poughkeepsie Gulch area ___________ ------------Mineral Point area _____________________________ _ California |
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| ConejpsiRiver_______. ..-______-__-_.___ Gunnison River area. ____ ______ __.__._._.__ _ ________ Complex..._________ ___ __________________________ Theralite and quartz gabbro _ _ _ ___________ _ _.._____.______ Veins...eruption._.__ _ __ _ Continuity of vents. ______ ____ Area, thickness, and volume.. Conejos andesite._________-_^__...Conejos age._ 'Treasure Mountain quartz latite Sheep Mountain andesite__-____ Alboroto quartz latite_________...Rhyolite and granite porphyry.___ _ -_ __ _ __ Quartz Mites..._____________-------_________ . Andesites |
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| Collecting: A Review of the Powers Farm and Treasure Mountain Locales by Michael Walter 3 6 We warmly welcome...talk about a significant and mineralogically rich area of the New World that has never been a topic presented...cathodoluminescence to the evolution of the Black Mountain pegmatite by]. Maloney and M. A Wise 2:15 S o...and D. D. Eberl 3:30 T y p o m o r p h i s m of quartz, calcite and pyrite: Implication for Be and Li...seven fruitful years at the University of British Columbia in Vancouver, where he worked with Joe Nagel |
