 | | Journal (article/letter/editorial) | | mineralsat the Clear Creek pegmatite,Burnet County, Texas,and at the Rode Ranch pegmatite, Llano County,Texas...honor P : 1.917(2), 7 : 1.921(2). of the stateof Texas,the locationof the BarringerHill rare-earth pegmatitedistrict...yttrofluorite, and gadolinite at the Clear Creek pegmatite,Burnet County, Texas. Associatedminerals in the alteration...e s t a t e o f Texas,the location of the famous Barringer Hill rareearth pegmatite district. The mineral...specimencollected at the Clear Creek pegmatite, 7 miles northwest of Burnet, ' Contribution No 3 3 7 |  | | Journal (article/letter/editorial) | | Texas mineral locality INDEX Whereas Texas is well known for its vastness, cattle industry, and oil...I T S T O P O G R A P H Y A N D G E O L O G Y , Texas, the second largest state, has produced relatively...famous localities. A s this article will show, Texas has had—or currently has—nu merous mineral occurrences...produce good specimens; yet when specimens from Texas are sought in collections and dealers' stocks, few...some basic facts that help explain the situation. Texas has very little federal land in its mineralized |  | | Journal (article/letter/editorial) | | Volume 62, pages 1009-10ll, 1977 BurnetCounty,Texas Newdataon yttrocrasitefrom the ClearCreekpegmatite...non-metamictyttrocrasitefrom the Clear Creek pegmatite, b: Burnet County, Texas,showsit to be orthorhombic...is 5t/z-6. The specific gravity (21'C) was tral Texas are well known as sourcesof a largevariety determined...the Clear Creek pegmatite,Burnet on alteration coatings. The habit is prismatic, the County, Texas (Crook...Nuevo, California (Murdoch cyrtolite (zircon), uraninite, thorite, "gummite", Webb, 1956),it was not observedon |  | | Journal (issue) | | e r a lo j g ic a l Volume Eight/Number Two PEGMATITE ISSUE #1 p u b lis h e r ls * h n Q n i. • ;...R. Lasmanis The Clear Creek Pegmatite: A Rare Earth Pegmatite in Burnet County, Texas...................by Anthony Robert Kampf The Harding Mine, Taos County, New Mexico......................... 115 by Richard... Iores K IO i DITOR Here it is: our first Pegmatite Issue! Actually this accumulation is a happy accident;...our file of articles I realized we had enough pegmatite-related papers to fill an issue. One advantage |  | | Journal (issue) | | 179 by Paul Tambuyser Yttrocrasite from Central Texas..............................182 by Wilson W. Crook...Long Hill tungsten deposit at Trumbull, Fairfield County, Connecticut, which is noted for its large pseudomorphs...abrasive. It was recognized at Chester, Hampden County, Massachu setts in 1864 and was produced intermittently...Area, Lake County, Oregon M. M. Groben This area is located in the W arner Valley, Lake County, in the southcentral...Locality Salt Plains National Wildlife Refuge Alfalfa County, Oklahoma Carl Francis A mudflat on the southwest |  | | Book | | Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73...21:235-248 ALICE GLORY HOLE The Alice glory hole, Clear Creek County, Colorado (by T. A. Hanson & W. B. Craft)...--and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE MYERS --and...Allgood, J. Pradenas: Gold occurrences in Tuolumne County, California 18:41-45, 18:62-64 --with W. H. Wilkinson |  | | Book | | cause any motion in the cup, slowly lower a thin, clear ice cube into the coffee. Peer through the ice cube...geological processes. Only then does it become clear why certain minerals occur where they do. A dynamic...of feldspar, quartz, and mica; so is granitic pegmatite. The main difference between these two rocks is...common kind of pegmatite —socommon that unless specified otherwise, the word "pegmatite" alone has come..."granitic pegmatite." Don't forget, though, that almost any kind of magmacan produce a pegmatite. III Many |  | | Book (edition) | | Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For...Photo Editor: Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...oil shale of the Green River Formation, Uintah County, Utah, associated with authigenic orthoclase, pyrite;...COLOR-LUSTER: Yellow; weakly vitreous. Crystals clear and transparent. Streak pale yellow. Fluoresces | | | Book (edition) | | Willard Lincoln. Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...COLOR-LUSTER: Yellow; weakly vitreous. Crystals clear and transparent. Streak pale yellow. Fluoresces...the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous...in the Cave Hills and Slim Buttes areas, Harding County, South Dakota. SELECTED REFERENCES: Thompson, M |  | | Journal (article/letter/editorial) | | f e z , e n c e 73 7 5 takovite 1158 1 0 0 7 _, texas ite see GUGGENHETM,S. 2 0 6 Bariopyrochlore, 405...R T O N ,P . B . J R ' : r e v i e w o f 587 uraninite Mel:alLogeny and GLobaL 839 r230 (Walker) vermiculite...orthoclase C R O O K ,W . W . I I I : 1191 Texasice, a uraninite new nineral 597 1006 Calorinetry, phase-equilibriun...a n d G , P o I K o W S K T : Rare accessory uraninite in a Sierran granlte 587 South Africa quartz afEer...Tetrahedrite stabillty relations unil-ce1l data Texas, Eexasite Texasite, new mlneral (abstr) Thalcusite |  | | Report (issue) | | 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) | | Mn, Fe, Ce, K, and Ni. Associated minerals are uraninite, spinel, and corundum. This waste formulation...long-range lattice disorder. Based on these data, it is clear that perovskite and zirconolite are prime candidates...data on yttrocrasite from the Clear Creek pegmatite, Burnet County, Texas. Am. Mineral. 62 : 10091011 Davis |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Zolensky: Lyndon Johnson Space Center, Houston, Texas. We also wish to acknowledge our present editor...Rhode Isand South Carolina South Dakota Tennessee Texas Utah Vermont Virginia AL AK AZ AR CA CO CT DE FL...Kalgoorlie, Coolgardie, and Norseman, WA; Tennant Creek, NT. In New Zealand, Hauraki Peninsula, North Island...in a calcite or barite gangue (Cobalt); with uraninite and nickel-cobalt minerals (Great Bear Lake, Jachymoy)...Occurs in association with kamacite in the Horse Creek iron meteorite and in some enstatite chondrites |  | | Book | | NAIROBI DAR ES SALAAM CAPE TOWN Published in the USA by Oxford University Press, New York 2 Filmset...need for a cumulative index. It rapidly became clear that an alphabetized reprinting of the full entries...(Akatoreite). Orange-brown sheaves of prisms from Akatore Creek, Dunedin, New Zealand, are anorthic, a 8-344, b...in a serpentine quarry near Oxford, Llano Co., Texas, contains red-violet monoclinic crystals, a 8-899...[2Mn0.Si02]. Named from the locality, Alleghany County, North Carolina. [M.A., 5, 50.] 13th List [Wales; |  | | Book (edition) | | File, 1601 Park Lane. Swarthmore, Pennsylvania, USA. Introduction This volume is the third edition...tal if req uired grammatically , if the name has clear Germanic origins o r i f a specific index en t ry...Green River Formation in (TL) Uintah Co .. Utah. USA. Named for P.H. Abelson. 20.7.3 AbernalhJile. K(U00As0...26 A. Z=4 [PDF 1 6-386]. (TL) Temple Mts. Utah. USA. Named for J . Abernathy. Abhurite. S n 30(0HhCl...Sun,. \ler111011t, I . 484. (TL} Derby. Vermont. USA. G. Brush ( 1 862) Amer. J. Sci. 34. 2 1 6. classed |
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