 | | Journal (article/letter/editorial) | | 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...mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal...Beaverhead County, the pegmatites of Jefferson County, and the Snowbird mine in Mineral County continue...Highlands Centennial Nugget in 1989 in Silver Bow County. The seventh largest gold nugget found in Montana; |  | | 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...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,...up-to-date guidebook to the state’s minerals is Colorado Rockhounding, by Voynick (1994). Other published |  | | Journal (article/letter/editorial) | | photo. March/April: Quartz, Middleville, Herkimer County, New York. John C. Medici specimen and photo. May/June:...May/June: Turgite, Graves Mountain, Lincoln County, Georgia. Ronald E. Bentley specimen and photo. July/August:...Quartz, H. deLinde No. 4 mine, High Peak, Montgomery County, Arkansas. Private collection; Ronald E. Bentley...Bentley photo. September/October: Barite, Otero County, Colorado. Dan and Dianne Kile specimen; John Muntyan...Arkansas, 316 Amethyst Scepters, Salem, New London County, Connecticut, W. A. Henderson, Jr., M. Haritos |  | | Journal (article/letter/editorial) | | Petrography of the Elkhorn Mining District, Jefferson County, Montana," U.S. Geol. Surv., Ann. Rept., XXII...AssociatedGraniticRocksin the Vicinity of Salem, Essex County, Massachusetts," Bull. Essex Inst., XXIII (1891)...Washington, "The Petrographical Province of Essex County, Massachusetts," Jour. Geol., VII (1899), 53-56...describedby Cross,8a dike rock from Two Buttes, Colorado,and a similar rock 1Joseph Barrell, "Microscopical...Petrography of the Elkhorn Mining District, Jefferson County, Montana," U.S. Geol. Surv., Ann. Rept., XXII |  | | 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 |  | | Journal (article/letter/editorial) | | is the case for the Tilley Foster mine (Putnam County), which was well described by Nightingale in a...mineralogy of the Sterling mine, Antwerp (Jefferson County), which were well documented by Robinson and...Clintontype; 10. Columbia County iron mines (Burden iron mine); 11. Dutchess County iron mines; 12. Staten...old entrance to the former Sterling mine, Orange County. The stratabound orebodies (a) alternate with layers...also from all other known occurrences in Orange County. During his time as the assistant geologist for |  | | Catalog/List | | Fairfield County, Branchville White xlline with cymatolite, good study ... New Mexico Taos County, near Dixon...cerium aluminum silicate California Los Angeles County, Pacoima Canyon Large black tabular crystals in...iron silicate ACTINOLITE California San Bernardino County, Wrightwood Green prismatic crystalline mass ....CROSSITE Sodium iron silicate California San Benito County, Gem mine Compact blue-gray mass with natrolite...sodium potassium alumino-silicate Arizona Final County, Christmas Dark green cleavages in andesite .. |  | | Journal (issue) | | Canada Abee, June 10, 1952, 6:00 a.m. Stone, Enstatite chondrite Fell: Description: Mass from Slice...Lubbock County, Texas, USA Found: 1941 Stone, Chondrite Description: Slice, 504.5 Adams County, grams...grams Me2374 Adams County, Colorado, USA Found: 1928 Stone, Brecciated chondrite Description: Polished...OF METEORITES Admire, Lyon County, Kansas, Admire, Found: 1881 177 USA Stony-iron, Breccia ted pallasite...Me750 Me557 Adrian, Adrian, Deaf Smith County, Texas, USA Found: 1936 Stone, Veined crystalline spherical |  | 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 |  | | Book | | searching for silver near Lake Sanford in Essex County discovered magnetite in 1826, but an excess of...Rochester; the main Public Library of Buffalo and Erie County; and the Crandall Public Library (Holden Research...pegmatite-Westchester County .......... . The Mclear pegmatite-St. Lawrence County .......... . Minerals...Tilly Foster magnetite mine near Brewster, Putnam County .................................... . Hematite...mines of Jefferson and St. Lawrence Counties .. Sterling mine, near Antwerp, Jefferson County ....... | | | Book | | searching for silver near Lake Sanford in Essex County discovered magnetite in 1826, but an excess of...Rochester; the main Public Library of Buffalo and Erie County; and the Crandall Public Library (Holden Research...ciifce—Westchester County.................. Tne McLear pegmatite—5t. Lawrence County.....................Tilly Foster magnetite mine near Brewster, Putnam County..................................................mines of Jefferson and St. Lawrence Counties.. Sterling mine, near Antwerp, Jefferson County......... |  | | Journal (article/letter/editorial) | | Alabama P.O. Box 0 Tuscaloosa, Alabama 35486 85° • County Seat ALABAMA'S MINERAL INDUSTRY began in 1818...iron furnace was built near Russellville, Franklin County, utilizing local brown iron-ore (goethite) deposits...Tennessee River Valley area near Huntsville, Madison County, the first such mineralogical description in the...1831 along tributaries of the Coosa River (Chilton County). Utilization of mineral resources in Alabama has...iron ore, clay, marble, bauxite, and Figure 1. County map of Alabama. Courtesy U.S. Geological Survey |  | | Catalog/List | | matrix. (Outpost Mine, San Domingo Wash Maricopa County Arizona) lx)4ins £4 063 CAVANSITE Ca (V 0 ) SiO...(Union Carbide Mine, Wilson Springs Garland County, Arkansas USA) lxl £4 1x2 £7.50 497 TELLURITE Te 0/2 good...brown metallic (Herbb £2 Mine, Powhatton County Virginia USA) lcm £6 314 PYRARGYRITE Ag/3 SbS/3 pure crystalline...masses, well coating matrix. (Dooneen Mine Allihies, County Cork, S.Ireland) . lxl £3.50. 1x2 £6.50 2xl.5ins...matrix.(some + Micros! Monument 1 Mine, Navajo County,Arizona,USA) lxl.£3.50 1x2 £7.00 118 CONICHALCITE green |  | | Journal (article/letter/editorial) | | Caldwell Stone Company quarry, Danville, Boyle County. Terry Huizing specimen and photo. K entucky...Commonwealth is Black Mountain in the Appalachians (Harlan County) at 4,139 feet. The lowest point is the floor of...of the Reed quarry near Grand Rivers (Livingston County) in western Kentucky, at 100 feet below sea level...small, nondiamondiferous kimberlite in Elliott County in eastern Kentucky and alnöite intrusions in Crittenden...Greb, Kentucky Geological Survey. in Crittenden County has one major shaft called the “Rock shaft.” The |  | | Report (volume) | | ............................................. Colorado.................................................especially from those of Arkansas, California, Colorado, New Mexico, Oregon, South Dakota, Tennessee,...minerals and rocks, their occurrence and uses: Colorado State Geol. Survey Bull. 6, 1913. 8 USEFUL...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | | Report (volume) | | -...---------.---.---..-.-----.----------.---Enstatite--.--.-.-----_-_----..-_--_----___.-----___________-...From the Silver King mine, Calico, San Bernardino County, Cal. Specific gravity, 6:28. Analysis by W. H...From .Teocalli Mountain, Brush Creek, Gunnison County, Colo. Specific gravity, 7.400 at 14.5°, corrected...described in Proc. Colorado Sci. Soc., vol. 3, pt. 1, p. 46. From the Rose mine, Grant County, N". Mex. Specific...impurities. From the Missouri mine, Halls Valley, Park County, Colo. Analyses, by Hillebrand, of three different |  | | Catalog/List | | radial groups on limonile ........... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals...lapis AJOITE Copper aluminum silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and...ALBITE Sodium aluminum silicate CLEAVELANDITE Colorado Gunnison Co. , Brown Derby mine White xlline lamellar...cerium aluminum silicate California Los Angeles County, Pacoirna Canyon Large black tabular crystals in...basic sulfate of aluminum and potassium Utah .Piute County, Tushar Mountains, Marysvale ----i'>ink crystalline |  | | Journal (article/letter/editorial) | | and Sr-Isotope Geochemistry of Tertiary Stocks, Colorado Mineral Belt E. Craig Simmons* and Carl E. Hedge...Survey, Denver, Colorado 80225, USA Abstract. Rocks of the northeast portion of the Colorado mineral belt...Chemistry and Geochemistry, Colorado School of Mines, Golden, CO 80401, USA tent and higher Rb/Sr ratios...igneous rocks in the northeastern half of the Colorado mineral belt. Many of these rocks are clearly...with their wall rocks. Igneous activity began in Colorado soon after the onset of the Laramide orogeny (Tweto |  | | 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... chlorite, hypersthene, blotite, hornblende, enstatite, apatite, magnetite, d. e. SYENITES Anorthite |  | | Report (edition) | | particular site, remember it is possible to visit the county courthouse in which the site is located, and trace...23 23 28 Adams County Native copper localities Teeter quarry zeolite Allegheny County Wittmer wurtzite...wurtzite Bedford County New locality 31 31 locality Paris fluorite locality Sherman Valley cryptomelane...locality Berks County Dyer quarry zeolite locality Frystown fetid barite locality Blair County Altoona barite.... 33 33 35 38 38 42 45 45 47 50 Page Butler County East Unity Church Sedwicks Mill 54 54 54 57 |  | | 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...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 |  | | Report (issue) | | Petrology of the Northern Elkhorn Mountains I I Jefferson and Broadwater Counties, Montana GEOLOGICAt '...Petrology: of the Northern Ell(horn Mountains Jefferson. and Broadwater CountieS, Montana By HARRY w...Kootenai Formation ____________ -1- ______________ _ Colorado Formation ____________ Lower unit ________________...rocks-Continued Petrology, petrography, etc.-Continued Enstatite trachybasalt-quartz latite porphyry _________...I I I I TABLE 1. Correlation b~tween the Colorado Formation as used in the Elkhorn Mountains and |
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