 | | 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...rocks and gentle terrain where crystals of barite, calcite, and gypsum are found along with petrified wood...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted |  | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil photo...Mail Stop 150, Box 25046 Federal Center Denver, Colorado 80225 pmodreski@usgs.gov C olorado is, of course...prohibitions on collecting or to private land or mining claims for which permission has been obtained....been written as guides to mineral collecting in Colorado. A classic, which went through three major editions...1951 version with a slightly different title), is Colorado Gem Trails and Mineral Guide, by Pearl (1951, |  | | Journal (article/letter/editorial) | | Associated Minerals Figure 1. Location map for Golden, Colorado, prepared by William Besse. All photos by...are well represented in Colorado. In particular, the Table Mountains near Golden have been known as a source...geochemist with the US.Geological Survey in Boulder, Colorado. His most recentfeature articlefor Rocks & Minerals...Moss Agatefiom the Del Norte Area, Saguache County, Colorado” and appeared in the July/August 2003 issue...locality, in addition to associated minerals such as calcite and fluorapophyllite (Kile and Modreski 1988). |  | | Report (issue) | | ALONG THE FRONT RANGE FROM DENVER TO BOULDER, COLORADO Clay Minerals Society 39th Annual Meeting and...Geological Survey Open-File Report 02-413 Denver, Colorado 2002 U.S. DEPARTMENT OF THE INTERIOR GALE A...South Table Mountain .................................. 11 The clay industry in Colorado .......................... 47 Idaho Springs and Central City mining districts ....................... 47 Argo mill.......................... 67 Nederland; mining in Boulder County .............................. 67 Boulder |  | | Book | | .3 COLORADO. of COLORADO. J. S. l GEORGETOWN, COLO. GEORGETOWN COURIER PRINT. 1887. 3 Bancroft...From a mineralogical point of view the wealth of Colorado exceeds that of In the metallic minerals almost...to in the following pages Proceedings of the Colorado Scientific Society. Proceedings of the Academy...the U. S. Geological Survey. J. GEORGETOWN, COLORADO, January, 1887. S. RANDALL. : MINERALS...gravel of streams and in veins. The veins of Gilpin County are especially noteworthy for the amount of gold |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | 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) | | 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 |  | | Journal (issue) | | Three Articles The Tonopah-Belmont mine, Maricopa County, A rizona by G. B. Allen & W. Hunt 139 James...related minerals from the Table Mountain lava flows near Golden, Colorado ................................thorough review of the history, including many antique mining photos and engravings, and many detailed maps showing...r iz o n a George B. Allen Route 6, Box 32 Golden, Colorado 80403 W illiam Hunt 10350 Andover Avenue Sun...Ag-Au district of Maricopa County in west-central Arizona. The primary property in the district is the |  | | Book (edition) | | and often gems can be found. valuable For the mountain ranges and level for the ist to States contain...and ice, every blood red glow, every touch of green, blue, gold or royal purple. Gem stones have been..."scratched" scratch was Many which is area, Wet is calcite, a pocket knife blade tests, make sure that...slates, fine grained and often sprinkled with tiny golden flakes of mica, and quartzites. Corundum, — —...associated with such rocks. Because hard rock mining amateur will usually get is tedious and expensive |  | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...above sea level; with more than eight hundred mountain peaks exceed ing 11,000 feet, the average elevation...and J. A. Mur phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body |  | | Journal (article/letter/editorial) | | Plant Fossils In the Denver Formation, Lakewood, Colorado AN UNUSUAL OCCURRENCE OF WELLD E V E L O P E...for a housing development in Lakewood, Jefferson Coun ty, Colorado. Heulandite replacements of fossil seeds...fossil plant structures. Minor pyrite, quartz, calcite, and apatite also occur as replacements of fossil...Geological Survey Box 25046 Federal Center Denver, Colorado 80225 tween Union Boulevard and Kipling Parkway...Mineralogy Symposium on Colorado Minerals (Modreski, 1982) held at the Denver/Rocky Mountain Federation Gem and |  | | Report (issue) | | Remediation in the Area from Denver to Idaho Springs, Colorado U.S. GEOLOGICAL SURVEY CIRCULAR 1097 Cover:...Clear Creek Canyon prior to 1935 from Lookout Mountain. Railroad tracks are visible alongside the creek...Remediation in the Area from Denver to Idaho Springs, Colorado Edited by K.C. Stewart and R.C. Severson Written...Thomas Kohnen Geoffrey S. Plumlee Richard B. Tripp Colorado School of Mines Ronald R. Cohen John C. Emerick...Ronald W. Klusman Thomas R. Wildeman Colorado School of Mines Colorado Department of Transportation Denver |  | | Report (volume) | | Eldorado Springs Quadrangle Boulder and Jefferson , Counties, Colorado C_-J / By JOHN D. WELLS CONTRIBUTIONS...ELDORADO SPRINGS QUADRANGLE BOULDER AND JEFFERSON COUNTIES, COLORADO By JOHN D. WELLS ABSTRACT The Eldorado...they show offsets of a few thousand feet near the mountain front and commonly die out to the southeast. Many...series that lie in a north-south line along the mountain front west of Denver; these quadrangles have been...detailed studies made or being made in the metal-mining areas immediately to the west. In this report, |  | | Journal (article/letter/editorial) | | [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite...Elmwood, Tennessee; the mines of the Tri-State district of Missouri-OklaDownloaded by [University of Nebraska...occur at many localities in Colorado, in shades of amber, emerald- or lime-green, black (sometimes referred...Muntyan, former director of the Ouray County Museum in Ouray, Colorado, is a frequent contributor to Rocks...in her series on Colorado minerals appeared in the July/August I994 issue (“Colorado Pyrite”), September/October |  | | Report (volume) | | transparent stones. The desired hues are blue, rose, green, and true canary yellow in the diamond; pigeon-blood...ruby; cornflower blue in the sapphire; and grass green in the emerald. Most diamonds, however, are colorless...SCALE OP HARDNESS 1. 2. 3. 4. 5. Talc Gypsum Calcite Fluorite Apatite . 6. 7. 8. 9. 10. Orthoclase...the term "emerald, " to chrysocolla and all other green stones (Smith, 1949, p. 175). Corundum was referred...changing to orange brown, smoky quartz to yellow, pale-green beryl to blue, violet corundum to rose pink, and |  | | 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...widely distributed, such as quartz and calcite, have been omitted, except those that by reason of some |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals of wide distribution, such as quartz and calcite, have...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 |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | | Journal (article/letter/editorial) | | University] at 01:02 21 December 2014 79 Mine, Gila County, Arizona E veryone likes blue minerals. Most...Connoisseur’s Choice topic. Aurichalcite varies from pale green to sky-blue; some specimens exhibit sprays of color-zoned...Brooksville, Hancock County, and the Lubec lead mine and prospects at Pembroke, Washington County. It has also...at the old lead mines at Middletown, Middlesex County, Connecticut; as good micromount material at the...Easthampton, Hampshire County, Massachusetts; the old Gorham (Mascot mine), Coos County, New Hampshire; as |  | | Book | | 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 |  | | Report (issue) | | BULLETIN 71 Mineral Resources of Taos County, New Mexico by JOHN H. SCHILLING Description of mineral...INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING 8c TECHNOLOGY................................... 11 HISTORY OF MINING ..................................................................................... 52 Anchor mining subdistrict ...................................... 59 59 60 61 62 63 68 68 68 69 69 Red River mining subdistrict .................................. |  | | 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 |  | | Report (issue) | | ............................................ 3 Mining Methods ..................................................................... 22 Crooks Gap–Green Mountain Area.........................................Conservation Initiative Study Area, Arranged by County ................................................... 2 Photograph of waste piles left by uranium mining in Poison Basin, southwestern Wyoming ...........24 Photograph of Big Eagle mine, Crooks Gap–Green Mountain area, southwestern Wyoming ............... |
|
