 | | Report (volume) | | Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great...Wisconsin at Plum Creek, Pierce County; Oregon, Dane County; Kohlsville, Washington County; Saukville, Ozaukee |  | | Journal (article/letter/editorial) | | area around Glass Mountain near the ModocSiskiyou county line. Also of minor importance is the extension...deposits of southeastern Oregon into northern Modoc County. Ultramafic rocks, largely altered to serpentine... Trinity River, Trinity County at the High Plateau mine in Del Norte County, and kammererite (clinochlore)...(clinochlore), as at the Veta Grande mine in Siskiyou County. The ultramafics also host occurrences of the massive...such as that at Happy Camp in western Siskiyou County. More importantly, the ultramafics are the source |  | | Journal (issue) | | Hg4+1Hg+2Cr+6Oe, a new mineral from the Clear Creek claim, San Benito County, California ............269 by A...zussmanite at the Laytonville quarry in Mendocino County, California. He brought the minerals to Bill Nisson...area to be responsible for (as, for example, a county or state museum), but there would be no particular...by participating in it? Let me make it perfectly clear that I am supportive of mineral specimen marketing...hope to function effectively unless there exists a clear understanding of exactly what the administration |  | | Journal (article/letter/editorial) | | samples [(2) California, (3) Tanzania, and (4) Colorado] were reļ¬ned using the Rietveld method, cubic...Al(sof) = 0.942 (1), and Si(sof) = 0.922(1); and (4) Colorado: 98.58(6)%, a = 11.606 89(1), average =...Some spessartine, grossular, {Ca3}[Al2](Si3)O12; andradite, {Ca3}[Fe3+ 2 ] (Si3)O12; uvarovite, {Ca3}[Cr3+...= 11.628(1); SiāO = 1.656(1) Ć
] from Clear Creek County, Colorado, with a striking birefringence of Ī“n... grossular (Antao, 2013c), andradite-grossular (Antao, 2013b), andradite (Antao and Klincker, 2013a, |  | | Journal (article/letter/editorial) | | or lined with calc-silicate minerals, such as andradite and diopside. These vein clusters, generally called...of alteration minerals like those of San Benito County. William P. Moller is research associate in mineralogy...Benitoite Gem mine. Melanite is a Ti-bearing andradite and, as its name suggests, is black. Crystals...topazolite and demantoid are also varieties of andradite. Vesuvianite occurs as either pale green masses...Benitoite Gem mine, New (dria district, San Benito County. Natural History Museum of Los Angeles specimen |  | | Catalog/List | | Old No. l Headfnme. Whi ā key Hlll Mine, Tuohnne County, CaUfomla (rā -,u. .SVā¢t- tor cr11ā¢tā¢J lJaed gold...today. The boxes Dimensions in Inches Crystal clear Opaque black Crystal top, black bottom Black top...l x l l x l 57 58 Crystal clear Opaque black l l 59 60 Crystal clear Opaque black Cat. No. 52 53...Unmounted. 24 specimens unmounted in 1-inch square clear plastic boxes. $85.00 t-OUNTED SPECil'ĆJSare permanently...packed for protection between flexible foam pads in clear plastic bm |  | | Catalog/List | | DRIVE, SAN JOSE, CALIFORNIA 95127 HALITE - Kern County, California (cavernous crystals) GEM ROUGH & SLABS...fl. yellow-green. ARAGONITE 3X4 - Sam Benito County, Califo.fnia - White needles groTdrting in radiating...75 CALCITF, - Mapimi, Dgo., Ffexico -Perfectly clear Calcite xls. in association wit:h minerals such...Ilo $2, 3 X 3 $2.75, 4 X 5 $4.50 San Benito County, California - Greenish hexagonal plates (look like...$2.75, 2X3 $3.50, 3X4 $4.50 - Sa.n Benito County, California - A newl}. discovered mineral from |  | | Book | | Again, some of the best specimens from Emerald Creek in Idaho have been found by indiĀ¬ viduals standing...famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...scratch a diamond. Suppose one found a piece of very clear (noncolĀ¬ ored) material that seemed very hard but...translucent. It seems to absorb light, but is not clear enough to see through. Quartz, sapphire, fine emerald...shows brilliant color flashes unique among all the clear gemstones. Sapphires and Rubies. These two gems |  | | Journal (article/letter/editorial) | | University] at 05:52 29 January 2015 FRENCH CREEK IRON MINE, CHESTER COUNTY, PENNSYLVANIA M any minerals described...specimens. One such locality is the French Creek iron mine, Chester County, Pennsylvania, an occurrence worthy...throughout the world in diverse locales such as the Colorado Rockies, the Peruvian and Bolivian Andes, and...classic example of chalcopyrite from French Creek, Chester County, Pennsylvania. The 10-cm-wide specimen has...mines at Rossie, St. Lawrence County, at the Sterling mine, Jefferson County, and in very large crystals |  | | 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 |  | Mills, S. J., Kampf, A. R., Christy, A. G., Housley, R. M., Rossman, G. R., Reynolds, R. E., Marty, J. (2014) Bluebellite and mojaveite, two new minerals from the central Mojave Desert, California, USA. Mineralogical Magazine, 78 (5) 1325-1340 doi:10.1180/minmag.2014.078.5.15 | Journal (article/letter/editorial) | | minerals from the central Mojave Desert, California, USA S. J. MILLS1,*, A. R. KAMPF2, A. G. CHRISTY3, R....Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA Centre for Advanced... Pasadena, CA 91125, USA 220 South Buena Vista Street, Redlands, CA 92373, USA 5199 E. Silver Oak Road...Road, Salt Lake City, UT 84108, USA [Received 6 March 2014; Accepted 5 May 2014; Associate Editor: G. D...shaft, Blue Bell claims, near Baker, San Bernardino County, California, while cotype localities for mojaveite |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map .............................................................42 Arizona ā Yavapia Co. Burro Creek area Site Map ................................. |  | | Journal (article/letter/editorial) | | of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...Ouray County. Raines-Pettem collection, photographer unknown. B etween 1868 and 1922, Colorado produced...with another 50 million pounds mined in San Juan County (Henderson 1926). During the twentieth century...mined (Beaty, Landis, and Thompson 1990). Total Colorado production prior to 1958 reached 585 million pounds...copper; Colorado mined gold, silver, lead, and zinc. Nearly all of the copper produced in Colorado has been |  | | Journal (article/letter/editorial) | | pre-entrainment history of some of the blocks is fairly clear; for others the evidence is equivocal. The dimensions...Chlorite-Diopside-Garnet Association Titaniferous andradite garnets coexisting with chlorite and diopside...New Idria garnets are calcic and belong to the andradite clan. Titanium substitution in these garnets occurs...tectonic blocks may also be titaniferous, however. Andradite garnets containing up to 38 mole percent uvarovite...Titaniferous garnets may best be considered as modified andradite and grossular garnets, in which Ti substitutes |  | | Report (issue) | | Geology of Precambrian Rocks Central City District Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 474-C Prepared... Geology of Precambrian Rocks Central City District Colorado By P. K. SIMS and D. J. GABLE SHORTER CONTRIBUTIONS...1918Geology of Precambrian rocks, Central City district, Colorado, by P. K. Sims and D. J. Gable. Washington, U...district, Colorado. 1964. (Card2) 1. Geology, Stratigraphic Pre-Cambrian. 2. Geology Colorado Gilpin Co...Gilpin County, Colorado. 2. Geologic sections of the Central City district, Gilpin County, Colorado. 3. |  | | Journal (issue) | | Three mine pegmatites, Ramona district, San Diego County, California ............................101 by...25046, M .S. 905 Denver Federal Center Denver, Colorado 80225 In recent decades the science of mineralogy... 905 Box 25046 Denver Federal Center, Denver, Colorado 80225 Louis B. Spaulding, Jr. P. O. Box 807, Ramona...Three property in the Ramona district, San Diego County, California. This mine, strictly speaking, is developed...for the other pegmatite gem mines in San Diego County, the collapse o f the Chinese tourmaline market |  | | Journal (article/letter/editorial) | | pegmatite was mined at Barringer Hill in Llano County in the early 1900s but was flooded by Lake Buchanan...on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991). i i ā¢ I...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? ā ā ā ā best occurrence..."specimen quality" questionable occurrence Angelina County Lufkin, 1 mile N of Lufkin in railroad cuts, in...sands; gypsum* (crystals) (Sloat, 1978). Barton's Creek, Smithville downstream from the bridge; gypsum* |  | | 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 variegatedāÆocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.āÆgemmy |  | | 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 variegatedāÆocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.āÆgemmy |  | | Journal (article/letter/editorial) | | separatedby recurrentfaultmovements resultIt is clear from the literaturethat all four stagesof ing in...highest valuesare found in streamsentering North Clear Creek in the Central City-Blackhawkarea (Fig. 6D)....';';';<' to the North Clear Creek-Clear Creek junction (Fig. 6A andB). Clear Creek at thispointcontainsunusually...Moon zircon. pluton where aegirine-augiteand andradite occur Quartzbostoniteformsan irregularpipe at...intrusivebreccia sideof the (Fig. 8) containsaegirine-augite,andradite,and also (Bryant,1968) occursonthe southeastern |  | | Book (edition) | | Peninsula, Michigan. Found in Colorado at Aspen and in Boulder County; also in several mining areas in...Silverton, Telluride, Cripple Creek, and Breckenridge districts of Colorado. Also at Homestake Mine, South... and calcite are found at Joplin, Missouri. Colorado. varieties Fine crystals of dark color Excellent...crystals in Clear Creek County, Colorado. Very fine crystals in dolomite from French Creek Mines, Pennsylvania... this 1ā-2". Splendid cubes from Leadville, Colorado. Also at Couer dāAlene, Idaho, and Tintic, Utah |  | | | | Peninsula, Michigan. Found in Colorado at Aspen and in Boulder County; also in several mining areas in...Silverton, Telluride, Cripple Creek, and Breckenridge districts of Colorado. Also at Homestake Mine, South... Fine crystals of dark color at Breckinridge, Colorado. Excellent crystals at Butte, Montana. Green varieties...crystals in Clear Creek County, Colorado. Very fine crystals in dolomite from French Creek Mines, Pennsylvania...commonly l"-2". Splendid cubes from Leadville, Colorado. Also at Couer dāAlene, Idaho, and Tintic, Utah |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatās 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 |  | | Report (issue) | | read Vonsen. p. 46. T'nder anatase, San Benito County, add, at end of sentence, 136. They do Louderhack...Louderhack and Bl'isdale (5) p. SSO. Fish Creek Mountains from p. 87. Celestite in Fish Mountains should...30 E... M.n., read p. 89." Under cerussite. Inyo County (1) for sec. U,. T. sec. IJ,, T. 6 S., R. 30 E...ussocidted p. 140. rn(b'r erytlirite. add Tuolumne County: erijthrite 189. arscnopyrite in the Josephine...Lake County, Bradford oecurence sliould bo li.sted as 2. p. 210. !^^onazite, Itiverside County, reference |  | 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). |
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