 | | Journal (article/letter/editorial) | | FLUORITE-RARE EARTH MINERAL PEGMATITES OF CHAFFEE AND FREMONT COUNTIES, COLORADO* E. Wu. HuNnrcn, Universityof Michigan...A small group of pegmatites in Chaffee and Fremont Counties, Colorado, is characterized by the association...rare earth mineral pegmatites in Chaffee and Fremont Counties, Colorado, and to compare the group with...1946 while engagedin field work in south-central Colorado. A part of the field expenseswas met by a generousgrant...Harvard University. Mt. J. E. Meyers of Canon City, Colorado, acted as guide for the writer and deservesspecial |  | | Journal (article/letter/editorial) | | 2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Sarah L. HANSON Geology Department, Adrian College... 110 S. Madison Street, Adrian, Michigan 49221, USA Alexander U. FALSTER and Karen L.WEBBER Department...2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Abstract Pegmatites enriched in the rare-earth elements...along a southwestern trend from Wisconsin through Colorado to Arizona. Four widely geographically spaced...South Platte (SP), in Colorado, circa 1.6 Ga Trout Creek Pass (TCP), also in Colorado, and circa 1.5 Ga Mojave |  | | 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 |  | | 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) | | 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...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | 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 (issue) | | such areas as the Front Range mineral belt of Colorado; the Boulder batholith area, Montana ; the Sierra...Western States, including Arizona, California, Colorado~ Idaho, Montana, Nevada, New Mexico, and FRANK...for uranium deposits, by the zoic rocks of the Colorado Plateau, are characterized lack of definite data...Radium lode-was first found in the South Terras mine in 1873 (Robertson and Dines, 1929, p. 147). Penrose...of ore was sold up to 1907 from the South Terra.s mine and that about 576 tons of uranium ores was produced |  | | Journal (article/letter/editorial) | | really appears to be the start of a quickly abandoned mine and is located near Huntsville (Madison Co.), Alabama...mining operation is a barite mine operated by the National Lead Co. The mine is easily seen from Highway...dump of the old open pit Sodium Sulphate mine in Imperial County near BertROCKS AND MINERALS ram siding...California collectors do not appreciate them. COLORADO—"I am sending you some specimens by P.P.—thought...found and reported from the Crystal Peak area of Colorado and I have also found it there but only once in |  | | Report (issue) | | ________ _ Beach deposits ___ -----------------Colorado _____________________________ _ Crystalline rocks...Perce Counties __________ _ Idaho CountY-----------------Valley CountY-----------------Adams, Payette,...and Gem Counties ________________________ _ Boise County ___ --------------Ada, Owyhee, Elmore, and Custer...Spruce Pine district ____________ Madison County and Haywood County _____________________ _ Zirconia district...monazite belt in the Piedmont province __ Stokes County and Surry County_ Wilkes, Alexander, Catawba, Caldwell |  | | Journal (issue) | | quartz, Midstate Quarry, Magnet Cove, Hot Spring County, Arkansas. 2 Mineral News The 9th Maine Mineral...fluorite mine, Westmoreland, New Hampshire. The Rocks and Minerals article (Vol. 65) on the mine does not...specimens on display dispelled any doubts. The Wise Mine fluorite and quartz matrix specimens on display...discussed the mining and pocket discoveries at the Berry Mine, in the southern half of the Berry-Havey pegmatite...attendees) also went with his permission to the Berry Mine. Ray Sprague told of the minerals (including beryllonite) |  | | Book (volume) | | instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles Eye Tunnel |  | | Book | | mid-1957, of vvhich 70% is in New Mexico, 16% in Colorado, Utah, and Arizona, and 8% in Wyo1ning. These...siliceous and Ruoritic types, and the oxidized Colorado Plateau deposits are desc1ibed vvith those that...origin, e.g., Blind River, \i\litwatersrand, and Colorado Plateau. The writer has attempted to present equitably...... ... .... . .... ..... . . ...... . Zoned Uraninite Pegmatites ...................................... . . . . . . . . . . . . . . . . . . . . . . Colorado Plateau . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | tuffs from the 40-ft level of the Moonlight mine, Humboldt County, Nevada. The sampledveins include fluorite...identifiable uranium minerals are autunite and uraninite. SCIENTIFIC COMMUNICATIONS 105 HtG: Specimenfrom...Cu Co Mo Li Pb U HxF exceptthat no pyrite or uraninite is presentin H•F 300 115 81 41 1268 1500 this...rhyolite (welded tuff), Bullfrog Mining District, Nye County,Nevada. The rhyolite flows are fault brecciatedand...concentrationin acid igneousrocks Perry Canyon, Washoe County, Nevada. Iron (Taylor, 1964) 10 1 2 30 20 4.8 oxidesfill |  | | Journal (issue) | | locality); Japan; Norway; South Africa; Sweden; England; USA: Arizona, Massachusetts, Michigan, Minnesota, Missouri...microscopic crystals. Most of them come from the Mariposa mine which was the original town site for Terlingua....moved several miles eastward to be near the Chisos mine after the Marfa Mariposa mining company shut down...but there is even less remaining at the Mariposa mine except an open pit and some underground workings...opened the Perry pit at the Mariposa mine site. It is the Mariposa mine that has the rare oxy-chloride mercury |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Journal (article/letter/editorial) | | was awarded1 the naWest Nyack, N . Y. (Rockland County tional Barclay Trophy for his Fossil exhibit, Mineral...New American Federation Officers N. Y. (Fulton County Mineral Club). President—Mrs. Helen M. Rice (Northwest...detailed field trip on September 7 in Abbeville County instructions for federation and club display to...anniversary of the club (October 4 ). The Rockland County Mineral and Gem Society won second prize in the...their first time to enter competition. The Fulton County Mineral Club, of New York, held a two-day field |  | | 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 (volume) | | centers of the state exhibits of minerals, rocks, mine models, etc. a service laboratory for the determination...from Pittsburg, Contra Costa County, and Oceano, San Luis Obispo County. Fig. 1. DETERMINATION OF FINENESS...47 Contra Costa County Antioch-Marchio sand Pittsburg-Roberts sand Los Angeles County El Segundo Beach...Hill deposit Monterey County Del Monte sand Lapis No. 2 sand San Francisco County San Francisco Dune sand...Luis Obispo County Oceano Beach sand NATURALLY BONDED SANDS 48 48 48 50 50 Alameda County Livermore |  | | Book | | may be enormous, reaching lengths of more than a yard, with a diameter of between one and two feet. In...Siberia): 10 cm. 2 - Topaz (Thomas Flange, Utah, USA): 1 cm. 3 - Topaz (Virgen de Lapa, Minas Gerais,...tourmaline. 1 - Tourmaline/Rubellite (Paia, California, USA): 13 cm. 2 - Tourmaline (Madagascar): 20 cm. ■ ... as we see here, it is colored green: Brazil, Colorado, etc. . . . Amazonite is sometimes used in jewellery...jewellery. 1 - Microline/Amazonite (Pike's Peak, Colorado, USA): 20 cm. 2 - Orthoclase (Minas Gerais, Brazil): |  | | Book | | commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...61 232 PART The Making 43 II 5 7 3 III Mine PART 267 IV Glossary 279 Bibliography 291...cities, and many of today’s prosperous western county seats began as mining-boom camps. trating sand...Whether you such as those listed alphabetically by county, township, and range in Part II of this book. Where...minerals which make lovely cabinet specimens. old mine western states, to kick up and oxidation, |  | | 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 (issue) | | '1030571 04 M030562 04 M030563 04 '1030584 04 CouNTY DEPosir 'ostHP +litire LAtiroOE ♦ Looroae 28N...35-03-A wA 113-49-A w W MO 81 PBA CUA AG BORIANA MINE 18N 115W 118 34-56-154 113-54-53W CATALINA DISTRICT...CATALINA DISTRICT CHILDS-ALOWINKLE HUN CINNABAR MINE 02N I14-19-18w 09 33-32-154A CUPRITE MINI 175 16E...35 35-25-254 114-10-31W AU AG MO V EMPIRE MINE ESPERANZA MINE GROUP 185 12E SO.31-52-204 111-08-08W PB...35-05-304 113-51-10w CU MU Pd ZN W MO CU LEVIATHAN MINE NE mAHLE AINE GROUP 8AA V MU 045 18w 31 33-02-10N |  | | Journal (issue) | | Finger) and LKA Emeralds from Hiddenite, Alexander County, NC to Go On Public Exhibit in New York City Emeralds...in question had been found at the Koffiefontein Mine, located in the village of Koffiefontein, in the...News----------------- Page Gold at the Isabella Pearl Mine ' Mineral Co., Nevada Tony ikjscher tony@cxcaliburmincral...and evada, USA. In June, 2018. groundbreaking began at the surface/open pit Isabella Pearl Mine in Mineral...Mining Unit. which also includes the Mina Gold. County Line and East Camp Douglas propertie . The Project |  | | Journal (issue) | | Exhilarating New Arizona Find REGULAR COLUMNS 56 MINERAL COUNTY WANDERINGS Field Notes .............................18 Chance Encounter Creates Opportunity to Mine for Variscite By Helen Serras-Herman 20 CRYSTAL... www.PrescottGemMineral.org ROYAL PEACOCK OPAL MINE Dig your own Virgin Valley Fire Opals ALL YOU FIND...smaller specimens were discovered near Globe, Gila County, Arizona, during a careful search that lasted about...years. After earning a Ph.D. in geology at the Colorado School of Mines, Chris has lived and worked in |
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