 | | Journal (article/letter/editorial) | | rare-earth pegmatites of the South Platte-Lake George area are enriched in Y-group rare earths. The nearest...accessorymineral assemblages. pears to be unique for the area in having an accessorymineral group of both Y- and...EUXENITE AND ASSOCIATEDMINERALS, SAND BASIN, GRANITE COUNTY,MONTANA* E. Wu. HBrNnrcn AND M. A. CoNn.Lo,Department...chiefly from the quartz monzonitic faciesof the Idaho batholith, in which they occur locally as accessoryspecies...tan alteration films. Strongly radioactive. 5. Zircon. Very slender elongate prismatic euhedra, coiorless |  | | Report (volume) | | Minerals in Placer Deposits of the Red River Valley Idaho County, Idaho GEOLOGICAL SURVEY BULLETIN This report...Minerals in Placer Deposits of the Red River Valley Idaho County, Idaho By F. C. ARMSTRONG and P. L. WEIS CONTRIBUTIONS...IN PLACER [DEPOSITS OF THE RED RIVER VALLEY, IDAHO COUNTY, IDAHO By F. C. ARMSTRONG and P. L. WEES ABSTRACT...Elk City, Idaho County, Idaho. The gravels of the placer deposits were derived from the Idaho batholith...euxenite, davidite, betafite, and samarskite. Euxenite, samarskite, and betafite, and perhaps ilmenite |  | | Report (issue) | | Placer Deposits of the Challis 1 x2 Quadrangle, Idaho By Thor H. Kiilsgaard 1 and Wayne E. Hall 2 Open-File...deposits of black sand, Challis quadrangle, Idaho Map of Idaho showing location of the Challis quadrangle...to as the Challis quadrangle) (fig. 1) central Idaho, conducted under the Conterminous United States...Bulletin 1658 (Mclntyre, 1985). Geology The vast Idaho batholith, of Cretaceous age, underlies most of...volume of black sand minerals as older rocks of the Idaho batholith. Radioactive Placer Deposits Extensive |  | | Report (issue) | | Bill Bryan claim, guild Steer Canyon, Montrose County, Colo, Ref. no. cf X-rav patterns TE 474 Quantity...chemical analysis. H Heavily incrusted specimen with area of specimen given in centimeters. Ear. Harvard...specimen with area given in centimeters. I.: Voderately incrusted specimen win area given in centimeters...Arc!ers(, nitc. 1/ usrm Hillside mine, Yac;apal County, Ariz, Ref. no. of X-ray patterns Inv. 2791 Quantity...Location La4fl7J:Tite Hillside mine, Yavapai County, Ariz. Inv. 2777 Quantity now m,tal- ayleyite |  | | Journal (article/letter/editorial) | | r------' .--. !i i , i ' i Boundary '---~ IDAHO Bonner_j l--;~u:d{ene\, I , L~ Coeur'cI'Alene...its pyromorphite, Idaho also boasts many other mineral species. ( :\.. -~:/ Idaho <....: (_ ", I...Adams'. McCall -j' ('I. ,I) , \' ,I ',Ji Valley L..yJashingtonf ( • _ _ .l- - ---r' .LJ I ya~J...Power i..r v. ) 't,.,. 1. r': ~ Caribou Idaho 83816-2043 , • c-vz..J. '. 2",_J'-1 '\ o, ...INDEX BRIEFLY DESCRIBES the mineral localities in Idaho; all known localities that may have produced well-crystallized |  | | Journal (issue) | | werner@lcturbonet.com In the Green River Basir of Sweetwater County, Wyoming, lies the world's largest,known deposit...could say it is only known from 3 ·i are~: Garland County in Arkansas, Cornwall in the United Kingdom, and·the...other zirconium bearing minerals are known from the area. But thanks to local collectors and Blondieau et...locality for miserite and straczekite; in Garland County, Arkansas). Buford Nichols had brought along his...Westvaco Chemical Co. drilled three more holes in the area and confirmed the existence of the I O foot trona |  | | Report (volume) | | - - - - - - - - - - - - - - - - - - - - - - = samarskite Ancylite- - - - - - (Ce, La) (Sr, Ca) (C0 3 )...Ce) Ala (As0 4 ) [(P, S)04] (OH)6Titanium-rich samarskite (?) - - (Ca, Ce) Ti Oa - - - - - - - - - (Y,...(Y, Fe, Ce)3 (Si 0 4)2 (F, OH)- - Sahamalite Samarskite Samiresite- (Mg, Fe) Ce2 (C03)4 - - - - - -...may be 15-20 percent. Poorly defined. Synonym: samarskite - - Not well studied Synonym: keihauite XII...Japan. Idaho Bur. Mines and Geology BulL-Idaho Bureau of Mines and Geology Bulletin. Moscow, Idaho. Idaho |  | | Journal (article/letter/editorial) | | Granite, near Red Stone quarry, Conway, Carroll County, New Hampshire. Henry Minot specimen and photo...Teller and Park counties, CO, USA Crystal Park–Bear Creek, El Paso County, CO, USA Pikes Peak Granite NYF... 3 Mount Antero and Mount White, Chaffee County, CO, USA Mount Antero Granite NYF Miarolitic beryl...Custer and Elsmore counties, ID, USA Sawtooth Granite in the Idaho batholith NYF Miarolitic beryl... Moat Mountain and related areas, Carroll County, NH, USA Conway Granite in White Mountain intrusive |  | | Report (volume) | | 05 Dismal Swamp Placer Deposit Elmore County Idaho g GEOLOGICAL a 3 9 o 1 A cd 00 « c5 bC C...ELMORE COUNTY, IDAHO BY FEANK C. AEMSTBONG The Dismal Swamp placer deposit, Elmore County, Idaho, was...granodiorite and related granitic rocks of the Idaho batholith. The gravels of the deposit are the product...stream erosion and slope wash. Columbite and samarskite have been identified in the deposit and are believed...derived, from small pegmatites associated with the Idaho batholith. Most of the uranium is believed to occur |  | | Book | | availability of previous reference works in this area, e.g., George, 1949; Palache et al. , 1944, 1951;... . . . . . . . . . . . . . . . . . Black Ilills Area, South D akota and Wyoming . . . . . . . . . . ...Pyrochlore-mi cro]j te Uraninite, zircon Uraninite Uraninite, fergusonite, samarskite, xenotime Uraninite Urau...eschynite, thorite Monazi t,e, cheralite Thorianite, zircon Zirkeli te, clarkeite, al!a.ni te, chevkini te...radiofluorite(?), apatiLc(?) Pyrocblore-m.icrolite, samarskite-yttrotantalite Euxcnite-polycrase, beta.6.te |  | | Report (issue) | | lattices of mica, garnet, tourmaline, ilmenite, zircon, and other minerals. Complexly zoned pegmatites...Quartz porphyry, Idaho. _ _ Granite porphyry, Idaho. _ Alaskite, Idaho____ Granite, Idaho. ___ ____ Granodiorite...Granite, California _ __ _ ___ Granodiorite, Johnston County, Okla_ __ 9 99 39 25.4 31 68 20 37 . . __________...________ _ Quartz latite, Craters of the Moon, Idaho. __ Quartz latite porphyry, Nevada. __ _ Average...Okla. (20) _ _ _____ Riebeckite granite, Brewster County, Tex. (!)_____ _____ Mount Rosa, Colo. (3) _ ___ |  | | Journal (issue) | | Pink Tourn1aline at the Cryo-Genie Mine, San Diego County, California Kenneth L. Gochenour 2670 East Walnut...mine near Warner Springs in northern San Diego County, California. The crystals were found at a depth...specimen will soon find its home the Los Angles County Museum of Natural History. Another , rge crystal...in the Hams-Weeks Pegmatite, Wakefield, Carroll County, New Hampshire Art Smith 9118 Concho Street Houston...Wakefield to Granite. The location has been a collecting area for many years, but it is currently leased by the |  | | Journal (article/letter/editorial) | | the actual structure of samarskite-(Y)? A TEM investigation of metamict samarskite from the Garnet Codera...Alps). These oxides have compositions in the samarskite-(Y) field and yield an amorphous response from...noticeably consisting of relicts of the original samarskite structure, were deeply investigated by electron...the retrieved crystal structure of untreated samarskite is consistent with aeschynite and not with ixiolite...group [namely samarskite-(Yb), calciosamarskite, and ishikawaite], then the samarskite mineral group |  | | Report (issue) | | A note on uranium minerals from the Spruce Pine area, North Carolina Richard Warner, Stephen Poterala...given to the Native Americans by settlers of the area, mined mica for grave decoration and wampum, which...Ohio valley and is believed to have originated from Native American mines in the Spruce Pine area now...mining of mica led Hernando Desoto to the Spruce Pine area around 1540 in search of mineral wealth that he...The North Carolina Feldspar Corp., The Tennessee Valley Authority, and The North Carolina State Mineral |  | | Book (edition) | | hundreds of localities in Oregon, Wash ington, Idaho, Montana, and Wyoming. Illustrated with maps and...and facet cut styles. The common opal of Virgin Valley, Nevada, lends itself well to ca bochon cutting...plates up to several hundred square centimeters in area. The larger and thinner the filter glass of course...is well exemplified in the case of zircon. The small grains of zircon found as an accessory mineral in...so as to be distinc tive. Found only in Benito County, Cali fornia, the mineral is reported to fluo resce |  | | Report (issue) | | Nez 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...Rutherford County and Cleveland County __ --------------Lincoln County and Gaston County _____________________ |  | | Journal (article/letter/editorial) | | Colorado; the Zapot pegmatite, Mineral County, Nevada; Carroll County, New Hampshire; the Morefield and Rutherford...Rutherford peg168 ROCKS & MINERALS matites of Amelia County, Virginia; Wisconsin; Tordal, Norway; Russia; and...correlation. Three samples of amazonite from Amelia County, Virginia, repeatedly showed Pb concentration below...below the detection limits. Samples from Amelia County were also analyzed for trace amounts of iron and...pegmatite, Nevada 1 3 4 5 91 95 0 0 Carroll County, New Hampshire 4 0 1 2 3 4 5 228 137 163 165 |  | | Book | | INTRODUCTION TO Robert Laut, Ph.D. 4880 Lower Valley Road, Atglen, Pennsylvania 19310 Dedication This...Published by Schiffer Publishing Ltd. 4880 Lower Valley Road Atglen, PA 19310 Phone: (610) 593-1777; Fax:...cleaning or trimming, and thoroughly clean the work area afterwards. It is the author's belief that in general...solution in various accessory minerals, particularly zircon, monazite, and thorite. The bulk of the uranium...solid solution in thorite, thorianite, monazite, zircon, brannerite, and various niobate-tantalate minerals |  | Guastoni, Alessandro, Secco, Luciano, Škoda, Radek, Nestola, Fabrizio, Schiazza, Mariangela, Novák, Milan, Pennacchioni, Giorgio (2019) Non-Metamict Aeschynite-(Y), Polycrase-(Y), and Samarskite-(Y) in NYF Pegmatites from Arvogno, Vigezzo Valley (Central Alps, Italy) Minerals, 9 (5) 313 doi:10.3390/min9050313 | Journal (article/letter/editorial) | | Polycrase-(Y), and Samarskite-(Y) in NYF Pegmatites from Arvogno, Vigezzo Valley (Central Alps, Italy)... Abstract: At Arvogno, Vigezzo valley in the Central Alps, Italy, pegmatite dikes are...including aeschynite-(Y), polycrase-(Y), and samarskite-(Y). They are associated with additional typical...unit-cell data for aeschynite-(Y), polycrase-(Y), and samarskite-(Y) by single-crystal X-ray diffraction. Aeschynite-(Y)...allowed for both to provide space groups whereas samarskite-(Y) was the first crystal from pegmatites for |  | | 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...minerals such as polycrase-(Y), euxenite-(Y), samarskite-(Y) and xenotime-(Y), the LREE enrichment in...district, is located in central Colorado, in an area some authors have referred to as the Colorado Province |  | | Book (edition) | | Idaho Minerals The complete Reference and Guide to the Minerals of Idaho Lanny R. Ream 1!11, ) a...PISTOLS Idaho Minerals Idaho Minerals The Complete Reference and Guide to the Minerals of Idaho with Special...Rerun Publishing P .O. Box 2043 Coeur d'Ale ne, Idaho 83814 Copyright © 1989 by L.R. Ream Publishing...R Ream Publishing P.O. Box 2043 Coeur d'Alene, Idaho 83814 (208) 667-0453 To those collectors who are...information and specimens available to others. vi IDAHO MINERALS Acknowledgements A book of this magnitude |  | | Journal (article/letter/editorial) | | comprehensive listing, including detailed spot locations on county road maps, refer to this publication, which can...The price is $5.00 plus 4% sales tax. Individual county road maps can be obtained from the North Carolina...Carolina 27611 B. J . M C K E N Z I E Alamance County Pyrophyllite, cacoxenite, diaspore, sericite, pyrite...the road. Alexander County Alexander County is a renowned mineral collecting area in North Carolina. Hiddenite...present time, the 84 ROCKS AND MINERALS Emerald Valley mine is open to the public for a collecting fee |  | | Book | | are presented. REE-bearing minerals, monazite, zircon and garnet are present with variable grades in...phases like columbite-tantalite, fergusonite, samarskite, allanite, monazite, thorite, bastnaesite and...notably the xenotime concentrations in the Kanyaluka area along the eastern end of the SSZ. Chapter 7 provides... 2.10 REE Geochemistry of Monazite, Garnet and Zircon 2.11 Beach Sand Mining and Mineral Separation ... . . . . . . . . . . . . . 3.3.1 Ranchi-Purulia Area, Jharkhand and West Bengal . . 3.3.2 Simdega District |  | | Report (issue) | | . . ALAMANCE COUNTY 5 5 Pyrophyllite ...... f .......... 5 ALEXANDER COUNTY ................. 9 ALLEGHANI COUNTY 1± Manganese ....... f 11 Barite , 11 Copper . 11 ASHE COUNTY. . . . Copper...Staurolite AVERY COUNTY . . ......... 13 13 13 . 13 Iron and Epidote BUNCOMBE COUNTY Garnet ...........13 Moonstone and Associated Minerals 15 BURKE COUNTY 15 Corundijin 15 Itacolumite 15 Toiirmaline...Amethyst f . , 4 .18 CABARRUS COUNTY 18 Minerals of the Cabarms County Mines 18 CALDWELL COUNT! 18 Pyrite |  | | Report (volume) | | with entries listed according to author, geographic area, and subject. EXPLANATION OF THE BIBLIOGRAPHY AND...uranium in the Lassen lavas is concentrated in zircon. 207 208 3 SELECTED BIBLIOGRAPHIES OF URANIUM...proportion of minor accessories (sphene, apatite, and zircon). Part of the uranium and thorium is interstitial...uraniferous vein deposits in the Boulder batholith area, but it has been included here for the following...and secondarily by an increase in the amount of zircon. The rocks of the New Hampshire magma series of |
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