 | | Journal (article/letter/editorial) | | northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...Karistrom 1978; Lanthier 1978). Farther south in Colorado, sediments accumulated in decper-water rocks formed...Survey into “Early, Middle, and Late” Eras. In Colorado we because of the subsequent folding and overthrusting...subduction zone and possibly the creation Era in Colorado and Wyoming of a volcanic island arc. Carpenter...perhaps be the Phillipine island arc, and Jack Colorado show two major rock groups with different ages |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona – Cochise Co. Mining Districts .................................... |  | | Journal (issue) | | 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 |  | | Book (volume) | | ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Report (volume) | | 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 |  | | 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...Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside the Co. line in...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 |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...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 |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...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 |  | | Report (volume) | | ............................................. 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 |  | | Report (issue) | | Denver, Colorado, USA © 2011 by Lithographie, LLC P.O. Box 11613 • Denver, CO 80211 • USA Phone 1.303...Topaz ALFREDO PETROV & JOHN RAKOVAN 34. Colorful Colorado DAVID W. BUNK 42. Mongolian Topaz: The Gorkhi...hardness-sample box produced for the Bergakademie (Mining Academy) in Freiberg, Germany. This box belonged...and quartz, 5.3 cm tall Sawtooth Mountains, Boise County, Idaho shown under longwave ultraviolet light (left)...Mursinka District, Ural Mountains, Russia; Paprok, Laghman Province, Afghanistan; San Diego County, California |  | | Report (issue) | | Federico Pezzatta Page 26 Mount Antero: The Peak of Colorado Beryl Collecting Mark I. Jacobson Page 14 Crystal...studies in 1811, during A.G. Werner's time at the Mining Academy in Freiberg, Saxony (Germany). From 1826...miners. He was also the gemstone inspector for the mining authority. Breithaupt's legacy is 500 publications...descriptions. T he above is a postcard of the School of Mining in Feiberg, Saxony printed for the 1991 Breithaupt...Mellow Yellow: Heliodor and Golden Beryl Michael Wise Page 61 The Mysterious Golden Water of Tajikistan Dmitriy |  | | 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 (article/letter/editorial) | | secondary phosphate minerals. Although some pegmatite mining for feldspar still continues (Jacobson 1994). the...which has operated for more than 120 years, most mining in the area peaked in the late 1800s and early...and fewer chances to obtain any. However, some mining, mineral exploration, and mineral collecting continues...FiridofGt~rnSphultirite ut IIIP Bulinut Zinc Mine, St. Luwrence County, tditor of NPW b r k ” unrl iipptwwl in the No~~er...and additions. Mlneral Index by Counties Brule County Elm Creek, IS mi. S. of Chamberlain, near junction |  | | Report (issue) | | production and reserve grades source, fineness, mining methods, other economic commodities and general...is useful for analyzing the roles genetics and mining method have on placer grades and volumes. Deposits...commodity other than gold, i. e. diamonds or cassiterite. Other deposits contain potential for production...Individual workings are not included if deposit or district data are presented. A deposit was subjectively...and areas in Alaska, including sluice and drift mining. 5. Some volumes were estimated from deposit |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional knobs...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional knobs...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Journal (article/letter/editorial) | | with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...2. Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted...Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded by [University |  | | Book | | Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of California High Tension (A Biography)...\merica Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho...of commercial mining is also long, beginning with the Kenya opal mines of 4000 B.C. Mining began with gemstones...gemstones, instead of metallic ores, and mining for turquoise was enormously extended throughout the...Georgia). The picturesque legend of Jason and the Golden Fleece has a great deal of fancy and magic in it |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...color photos show groups of mine lamps and other mining antiques from the extraordinary private collection...Alpine-type veins. Localities include Mount Antero, Colorado (Jacobson, 1979); Sverdlovsk in the Urals, Soviet...Soviet Union; the Morefield mine, Amelia County, Virginia; and the Anjanabonoina pegmatite in Madagascar...sludite). Schorl is common in the feldspar. Primitive mining at the deposit consists of small, irregular open |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President December 2019...& Vegetables COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 December...-------- General Assembly 7p.m., 1970 Waynoka Rd Golden Corral Jan 23 ------ Crystal Group 7p.m., Mt Carmel...m., “Funiculars of Golden Colorado”, by Barb Warden, goldentoday.com; at “Golden Beer Talks” at the Buffalo...Buffalo Rose, 1119 Washington Ave., Golden. For more info see http://goldenbeertalks.org/ Tues., Dec |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...SPECIMENS from the collection of the Geology Museum, Colorado School of Mines. See page 242 for a full description... All rights reserved. notes fromthej EDITOR COLORADO-III Here we are with our third special issue devoted...devoted to the mines and minerals of Colorado. As most long-time subscribers know, the first in the series...about $200 on the out-of-print market. The second Colorado issue was vol. 10, number 6 (1979), and we still |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President October 2017...mineralogists. COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 October... Northern Peru, by John E. Black. Colorado School of Mines, Golden, Berthoud Hall Room 241. Social hour...Thurs., Oct. 5, 7:00 p.m., The Friends of the Colorado School of Mines Geology Museum's "First Thursday"...Parker Student Center, Ballroom E, 1200 16th Street, Golden, CO 80401. Socializing begins at 6:30 PM and the |  | | Journal (article/letter/editorial) | | ECONOMIC GEOLOGISTS AND THE AMERICAN INSTITUTE OF MINING AND METAL- LURGICALENGINEERS, NEW YORK MEETING...lepidolite,.and have yielded cassiterite and columbite-tantalite. Prospecting and mining have been particularly...economic concentrations of beryl, lithium minerals, cassiterite, or columbite-tantalite,or combinationsof these...developmentof concentrationsof beryl, lithium minerals, cassiterite, and columbite-tantalite as due to hydrothermal...in zonedpegmatitescanbe appliedto prospectingand mining of pegmatite depositsin these two areas of South |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |
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