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| Section, California Academy of Sciences, Golden Gate Park, San Francisco, CA 941 18, or check SMMP’s Web site... The Denver Museum of Natural History and the Colorado School of Mines will again be the beneficiaries...beneficiaries of a poolside auction sponsored by the Colorado Mineral and Fossil Show and held 5-7 P.M. on 16 September...Himalaya tourmaline mine in Mesa Grande, San Diego County, California, was the June destination of members...the Gem and Mineral Council of the Los Angeles County Museum of Natural History. Lucky participants were |
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| mineralogic mapping technique in the Italian Mountain area, Colorado Item Type text; Thesis-Reproduction...MINERALOGIC MAPPING TECHNIQUE IN THE ITALIAN MOUNTAIN AREA, COLORADO By Henry Albert Truebe A Thesis submitted... . . . . . . . . . . . . . . . . . . . . . . . Mining History . .......................................APPENDIX C: DESCRIPTIVE MINERALOGY OF THE ITALIAN MOUNTAIN AREA . . ............. .....................Location and tectonic setting of the Italian Mountain area in Colorado. . . . . . . . . . : ............ |
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| Museum of Nature and Science 2001 Colorado Boulevard Denver, Colorado 80205-5798 jmurphy @ dmns.org PETER...Survey MS 150, Box 25046 Federal Center Denver, Colorado 80225-0046 pmodresk @ usgs.gov Unless otherwise...to 2000) J oin us for a gemstone tour around Colorado! Our field trip takes us from east to west in...in the same way you may have toured through Colorado on a mineral collecting trip. This route, from the...gemstones are known to occur. We cannot discuss every Colorado gemstone occurrence; rather, this is a general |
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| England Richard C. Erd U.S. Geological Survey Menlo Park, CA Donald R. Peacor University of Michigan Ann...67 by M. C. Bandy Minerals of the Italian Mountain area, Colorado .....................................R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...the dump there. Figure 3. The Chanarcillo mining district. The many dumps do not show up in the picture...picture. This is on the west side of the district, the Veta Descubridora is in the background over the low |
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| 10, pp. 1053–1067. Genesis and Composition of Lazurite in Magnesian Skarns S. M. Aleksandrov and V. G...2004 Abstract—The genesis and composition of lazurite was considered in the metasomatic rocks and deposits...other regions. It was shown that formation of lazurite is related to the prograde bimetasomatic or contact–metasomatic...precursor. The formation of contact–metasomatic lazurite mineralization is promoted by high-alkali magmatic...which cause the replacement of dolomites by skarn. Lazurite can also be formed during the postmagmatic stage |
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| Lazurite Na6Ca2Al6 Si6 O24 [(SO4 ); S; Cl; (OH)]2 ° c 2001 Mineral Data Publishing, ver sion 1.2 Crystal...Campania, and in the Alban Hills, Lazio, Italy. In the USA, at Ontario Peak and Cascade Canyon, San Bernardino...Co., California, and on North Italian Mountain, Gunnison Co., Colorado. In Canada, about 15 km north...Hogarth, D.D. and W.L. Gri±n (1976) New data on lazurite. Lithos, 9, 39{54. (4) Hassan, I., R.C. Peterson...Peterson, and H.D. Grundy (1985) The structure of lazurite, ideally Na 6 Ca 2 (Al 6 Si 6 O24 )S2 ; a member |
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| Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great...Pierce County; Oregon, Dane County; Kohlsville, Washington County; Saukville, Ozaukee County; Eagle, |
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| Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |
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| lapis lazuli. The words the high altitude prohibits mining at any lapis lazuli in Persian meant "blue stone"...many things. mountain tribe of Tarij of Afghanistan. Here is how Dana describes it: The mining of lapis lazuli...lazuli has not Lazurite, lapis lazuli, lasurite changed from 6 , 0 0 0 years ago. The tools Isometric...lazuli is shown by Brogger and Backstrom to contain lazurite or hauynite (sometimes changed to a zeolite),...also been found in Gunnison Coun ty on Italian Mountain, in Colorado. That mountain is 12,500 feet in |
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| Prepared in cooperation with the Colorado Geological Survey for the United States Department of Agriculture...Service Development of Industrial Minerals in Colorado Circular 1368 U.S. Department of the Interior...Survey Development of Industrial Minerals in Colorado By Belinda F. Arbogast, Daniel H. Knepper, William...John S. Dersch Prepared in cooperation with the Colorado Geological Survey for the United States Department..., 2011, Development of industrial minerals in Colorado: U.S. Geological Survey Circular 1368, 87 p. Library |
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| 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...ALABAMA Iron phosphate mineral locality at Indian Mountain, Alabama (by H. Harwood) 5:241-244 Iron-manganese |
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| geochemistry of the Italian Mountain Intrusive Complex, eastern Elk Mountains, Colorado CHARLES G. CUNNINGHAM...Denver Federal Center, Denver, Colorado 80225 I06°40' ABSTRACT T h e Italian M o u n t a i n Intrusive...TREASURE MOUNTAIN DOME 39? '.WHITE/ : ROCK PLUTON- 00 Crested Butte 10 10 ; Figure 2 \ i Taylor Park...Park £ Or INTRODUCTION T h e Italian M o u n t a i n Intrusive C o m p l e x is in the central p a r t...and associated lead-silver ore deposits. T h e Italian M o u n t a i n C o m p l e x w a s int r u d e |
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| Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ......................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing |
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| the composition oflapis-lazuli. MINERALOGY (a) Lazurite: N a 4 ( N a S 3 • Al) A l 2 S i 3 0 1 2 Isometric...interesting to note that Brögger suggested that lazurite, sodalite, hauyne and noselite, along with the...sio 2 Baikal (blue) 36-74 Note 1. Sodalite and lazurite are closely related minerals. In the latter, sulphide...in the following table. 87 SODALITE Fracture LAZURITE Sometimes conchoidal Uneven Greater than 5-5...presence of free sulphide (iron pyrite) in the lazurite is often a help in identification. (c) Haujne: |
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| New data on lazurite D. D. HOGARTH & W. L. GRIFFIN L1THOS Hogarth, D. D, & Griffin, W. L. 1976: New...data on lazurite. Lithos 9, 39-54. New data suggest the following chemical peculiarities of lazurite: 1.... cell. Non-cubic (anisotropic and pleochroic) lazurite is common and may be caused by Sa- ions in parallel...Mineralogisk-Geologisk Museum, Sarsgate 1, Oslo 5, Norway. Lazurite is a sulrhur-bearing member of the sodalite group...classic examples of lazurite in replaced granite pegmatite (Korzhinskii 1947). Lazurite has allso been described |
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| Altissimo about eight miles from Serravezza. This mountain rises to a height of 5440 feet a n d its precipitous...when Napoleonic rule prevailed a n d export of Italian goods to Great Britain was prohibited, and to overcome...marble or Irish green marble, which is found in County Galway, Ireland. Iona stone, found near the Bay...of Surabaja (Surabaya) in the Toeloeng Agoeng district of J a v a , has not the translucency met with...provide such marbles—are the " Irish Black " found in County Carlow, Ireland. M a n y of the compact limestones |
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| gem areas have dried up as there is very little mining activity and practically nothing coming through...519 Fig. 4. Young and old female members of the mining family washing the gravel. Fig. 5. A group of...near the railway line to Chieng Mai. The actual mining areas are: Wang Chin, 50km from Den Chai at 17°54'N...the town of Kantaralak, 14°40'N. 104°40,E. The mining area is at Kor Sa Ad nearby. We were also told...the Blue John variety of fluorite in the Peak District of Derbyshire. Historical notes are included and |
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| granite but with no quartz. Sandstone (South Dakota, USA) _9_ A darker rock than granite but with a similar...Fluorite is a common example. Aragonite (Utah, USA) 27 Crystals Crystal Morphology The term morphology...crystal form. Other crystals Wulfenite (Arizona, USA) 29 may show lesser symmetry on a scale at the...collectors or students should get hold of geological and mining maps and records of visits made by others. Few...more than a puddle. It is also vital to know how mining has been carried out in the past. Long blasting |
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| ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |
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| it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |
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| world-renowned gem and mineral collection at Los Angeles County Museum of Natural History since 1980. Joan Kaylor...Makeup » Crystals Earthly Treasures » Mines & Mining * Ocean Minerals » A Multitude of Uses » Gemstones...crumples, result- ing in the rise of an inland mountain where they grate against each other, range,...located in the southern hemisphere and featured long mountain ranges, an inner sea, and some glaciation. It...site of a third type of boundary Appalachian mountain range conflict. Here two plates slide of North |
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| world-renowned gem and mineral collection at Los Angeles County Museum of Natural History since 1980. Joan Kaylor...Makeup Crystals 56 Earthly Treasures Mines & Mining Ocean Minerals A Multitude of Uses Gemstones Legendary...plate crumples, resulting in the rise of an inland mountain range, such as the H imalayas. At other times...in the southern hemisph ere and featured long mountain ranges, an inner sea, and some glaciation. It...fossils, they have demonstrated that the Appalachian mountain range of North America and the Caledonian range |
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| 56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...Dosen ONN/ QBI96-40247 Trade Distribution by Mountain Press Publishing Company P.O. Box 2399, Missoula...events to bring the history of North American gem mining up to date. Here, then, is the latest, most complete...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout |
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| caJr-ite, lazurite, diopside, nepheline and phiogopite in the Main Occurrence and calcite, lazurite, di,-nside...metamorphic rock containing essential amounts of lazurite. The commonly accepted origin for this rock is...following cathodolumi neseence: nepheline, light blue; lazurite, dark blue; socialite bright orange; phlogopite...calculating thi matrix corrections: sodalite, 1%; lazurite and amphibole 2%; phlogopite, 4~. The standard...matrb corrections. Sulfate and sulfide sulfur in lazurite were resolved as outlined by Hogarth & Griffin |
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| Fuschite 37 38 Lapis-lazuli 39 Sodalite 40 Lazurite 41 Spodumene 19 Actinolite 13 14 Hemimorphite...sources include Harz and Saxony in Germany; Creede, Colorado and the copper mines of the Keeweenaw peninsula...peninsula in Michigan, U.S.A.; the Lake Superior district, and Cobalt, Ontario. Small amounts have been found...South Wales; the Mother Lode district of California and parts of Colorado, U.S.A.; Canada; Mexico. South...including: Mt. Mica, Oxford Co., Maine; the Pala district of San Diego Co., California; Haddam Neck, Con¬ |
Blue Wrinkle Mine, Italian Mountain, Taylor Park, Dorchester Mining District, Gunnison County, Colorado, USA