 | | Report (volume) | | 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 |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Mineralogical Research Co., 704 Charcot Avenue, San Jose, CA 95131. A list of other dealers in back issues...Dominion mine, the Morenci-Metcalf district, the San Manuel mine, the Inspiration mine, Monument Valley...YUMA COUNTY NAME CHANGED Is nothing sacred? The famous Red Cloud mine is no longer in Yuma County, Arizona...divide the county in two, the northern half (more or less) being renamed as the new county of La Paz. |  | | Journal (article/letter/editorial) | | east-west-trendingMercur Canyon.Initial productionof silver in the Mercur district was from an interval of... known as the "Silver ledge" (Spurr, 1895), a term which was later changedto "Silver chert." Fine gold...1883 in a stratigraphicinterval 30 m above the Silver chert. Production terminated in 1917 after more...locatedimmediatelybelow the Magazine sandstone.The Silver chert jasperoid forms massive, outcrop-formingledges...lessconspicuously, on Mercur Hill. In outcrop,the Silver chert is typically aphanitic,dense,and medium to |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE:...agate, (banded, various colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N |  | | Report (volume) | | REPORT ECONOMIC GEOLOGT 7 SILVERTON QUADRANGLE, COLORADO FREDERICK RANSOME WASHINGTON GOVERNMENT PRINTING...Whitman Cross........................... ........ San Juan volcanic area .......................... .......the volcanic area ......... ...........:..... San Juan formation . ...... ...'......--...-.................. ................ ...... ....... Lodes of Silver Lake Basin... ..................... ...................... .................... ............... Silver Lake mine..... . -.-.-..--....-.---..-.-. .... |  | | Book | | milky quartz stems. Denny Mountain area of King County. Specimen from the collection of Cary A. Maykut...DESCRIPTIONS 21 ABBREVIATIONS 24 GLOSSARY 25 COUNTY INDEX OF MINERAL OCCURRENCES 29 MINERAL DESCRIPTIONS...(using a code explained on page 21) and a county by county list mentioning the nature of their occurrence...Parks and Monuments prohibit all collecting. state, county and city parks usually prohibit collecting. Please...quartz, calcite, marcasite, opal, mercury h. "NICKEL LEDGE" ZONES Ankerite, quartz, garnierite, hydromagnesite |  | | Book (edition) | | the Fuernrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous...in the Cave Hills and Slim Buttes areas, Harding County, South Dakota. BEST REF. IN ENGLISH: Thompson,...MODE OF OCCURRENCE: Occurs in Colorado at the Pelican Dives rnine , Silver Plun1e district, and at the...Little Emma mine, Clear Creek County; at the Enterprise n1ine, Dolores County; and at the Double Header lode...lode , Su1nmit County . rt is also found in Canada, Mexico, Czechoslovakia, and Germany. Acanthite is |  | | Book (edition) | | right) vanadinite, Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst...Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For Reference Not to...Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD New York ...Cal and Kerith Graeber Cureton Mineral Company Colorado School of Mines Charles and Marcelle Weber Dan...oil shale of the Green River Formation, Uintah County, Utah, associated with authigenic orthoclase, pyrite; | | | Book (edition) | | 1ight) vanadinite, Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst...Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere nee Not to...Sagtiache Co1tntr Publlc I...ibran' Saguache, Colorado ~ VANNOSTRAND REINHOLD ~ - - - - N e w York...Cal and Kerith Graeber Cureton Mineral Company Colorado School of Mines cw Charles and Marcelle Weber...the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous |
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