 | | Journal (issue) | | collection. Photo: 5.1.Pekov. The Baringer Hill Pegmatite Llano County, Texas Art Smith artsmithite@msn.com...com Introduction This article on the Baringer Hill pegmatite does not contain new or addition historical...put together for two reasons. Recently some Baringer Hill specimens from the Philadelphia Academy of Natural...purchased along with other Texas minerals. Also a collecting field trip to the Llano area was carried out during...possibly similar rare-earth pegmatite collecting in Llano and Burnet counties. It was hoped that such a compilation |  | | Journal (issue) | | ..................... 5 The Baringer Hill Pegmatite, Llano County, Texas ..............................online and find a list of U.S. Representatives from Texas. There will be addresses, phone, and FAX numbers...in their district. Fortunately we have several Texas Representatives who will accept an e-mail from you...increase. Rep. Ted Poe (R) also allows emails from Texas constituents, not just his District. I believe Gene...Gene Green (D) does also. The following additional Texas Representatives appeared to accept my e-mails to |  | | Journal (article/letter/editorial) | | Geology Vol. 59, 1964, pp. 1348-1360 A NEW, BARINGER HILL-TYPE, FROM THE CENTRAL A. J. EHLMANN, RARE-EARTH...RARE-EARTH MINERAL PEGMATITE REGION, TEXAS J. L. WALPER, AND J. WILLIAMS CONTENTS PAGE Abstract .................................... 1355 1356 Cyrtolite ................................................Ranch pegmarite, in the Central Mineral Region of Texas has made possiblethe detailed study of an occurrencequite...occurrencequite similar to the famous Baringer Hill pegrnatite,now floodedby the waters of BuchananLake. The |  | | Journal (article/letter/editorial) | | THE BARINGER HILL, TEXAS, PEGMATITE KnNNnru K. LaNpBs, (Jniters'itv of Kansas INrnopucrroN The Baringer...Central Mineral (Llano) Region (Fig. 1) about 100 miles northwest of Austin, Texas. The nearest towns...any consequenceare Burnett, 16 miles east, and Llano, about 22 miles southwest. Access to the pegmatite...settlement on the Burnett-Llano highway, about four miles northeast of Baringer Hill. However, this very interesting...hydro-electric project.l Frc. 1. Outline map of Texas showing Iocation of crystalline rocks composing |  | | Journal (article/letter/editorial) | | NEBRASKA NORTH DAKOTA, OKLAHOMA, SOUTH DAKOTA AND TEXAS BY MARGARET COOPER CONTENTS Page Page 1. Foreword...Part 2, and Part 3 258 Oklahoma, South Dakota, Texas and Section 2. Additional References 259 United...South Dakota, and Texas 262 souri, Nebraska, North Dakota, Oklahoma, South Dakota, and Texas 299 FOREWORD...Nebraska, North Dakota, Oklahoma, South Dakota, and Texas. It is Part 4 of a comprehensive bibliography planned...Nebraska, North Dakota, Oklahoma, South Dakota, and Texas; Index II, Geographical Index for Arkansas, Iowa |  | | Journal (article/letter/editorial) | | GentralMineralRegion,Texas RopNey C. EwrNc.l AND ARTHUn J. ErrrrvraNN Department ol Geology, Texas Christian Unirsersity...Unirsersity, Fort Worth, Texas 76129 Abstract Yttrialite occurs in the Rode Ranch pegmatiteas irregular...index of refraction varies from fergusonite and cyrtolite as the prominent, primary 1.760 for the colorlessto...but now-inundated, Baringer Specific gravity determinations (Berman balance) Hill Pegmatite. Additional...the authors (U.S.N.M. #R-3780, ance to the Baringer Hill yttrialite described by Hid# 8 5 0 7 0 , # R |  | | Report (volume) | | BULLETIN 450 MINERAL RESOURCES OF THE LLANO-BURNET REGION, TEXAS WITH AN ACCOUNT OF THE PRE-CAMBRIAN GEOLOGY........................ 14 Schists and gneisses (Llano series).................................. . 14 Divisions... ILLUSTRATIONS. Page. PLATE I. Geologic map of Texas............................................ 7 II...economic map showing locations of Burnet and Llano quadrangles, Texas.........................................Economic and geologic map of I/lano quadrangle, Texas........ In pocket IV. A, Assimilation of schist |  | | Journal (article/letter/editorial) | | for (SiOa)with the formula Th(SiOrr-*(OH)4*. Cyrtolite apparently stands in an analogous relation to...Machintosh (Am. Jour. Sci.36, 461, 1888). Henderson County, North Carolina. Calciothorite Brdgger (Geol. fd...(New York Acad. Sci. Trans. 8, 185, 1889). Baringer Hill, Texas. [Name intended as a synonym of thorogummite...Mackintosh (Am. Jour. Sci.46, 98, 1893). Baringer Hill, Texas. A supposed later occurrence described by...and Hidden, Am. Jour. Sci. 19, 425,1905. Baringer Hill, Texas. Three later occurrences were described |  | | Journal (article/letter/editorial) | | War II induced operators to work the long dormant mine in 1943 and 1944. Unwatering and underground mining...pegmatite as a whole has previously been made. The mine lies 550 feet N. 48o E. of the railroad station...all of North Branford, Connecticut, operated the mine for mica, and the Sandy Ridge Mica and Mining Company...15th Street N. W., Washington, D. C., worked the mine in November and December 1944' The main working...in mapping, and the operators of the Branchville mine also cooperated generously and wholeheartedly. Srnucrune |  | | Journal (article/letter/editorial) | | (mixture) 2. var. ore six Hyacinth Alvite Cyrtolite Mal con Naegite “ B e f a n m i t e ” Cat pleit... N. C. states localities) Mt. Antero, — Texas, the Massachusetts and already been shown known... addition, N. C., Colorado, and Henderson County, Westchester (18), Pennsylvania (five localities)...zircons, cyrtolite Branchville, Conn., Rockport, Mass., Mitchell Counties, source County, Of the...Ashland, Va., near is OF and (19) Llano New York County, minerals have among the richest hafnium |  | | Journal (article/letter/editorial) | | I .0i I .8r Total 63.9 . Samplesfrom MacDonald Mine, Bancroft, Ontario, collected by Dr. D. F. Saunders...GolI Mine, Madawaska, Ontario. r Heat was absorbed instead of evolved. e From Baringer Hill, Texas, collected...samples,B, C and D, were obtained from the J. J. Goll Mine at Madawaska, Ontario. SamplesE and F were given...had made in a pegmatite cerium mine in 1902 at the Baringer Hill of Texas. 96 SHELDON F. KURATE The...GeologicalSurvey. The euxenite sample came from the MacDonald Mine at Bancroft, Ontario. The eschynite-priorite sample |  | | Journal (article/letter/editorial) | | sfrom Mariposa County, Californi.a, The North Duncan gold mine near llornitos, Mariposa County, California...collected in April 1931, from the Chestnut Flat Feldspar Mine near Spruce Pine, North Carolina. The flattened...Boringer Hill, Teras, Pegmatite. The Baringer Hill pegmatite lies near the center of the Llano or Cbntral...Mineral Region about 100 miles northwest of Austin, Texas. The pegmatite is intruded into granite which in...rocks. Baringer Hill is famous for its yield of rare earth minerals, especiallygadolinite, cyrtolite, ailanite |  | | Report (volume) | | for the following observation. At the W. Wilson mine, "a few secondary minerals, mainly metatorbernite...dikes, in schists, in the Ohio City area, Gunnison County, Colo. The microlite, associated with lepidolite...found in several pegmatites in Georgia. In Lamar County, yellow and green secondary uranium minerals occur...uranium-bearing pegmatite bodies in San Bernardino County, California: Am. Mineralogist, v. 38, p. 1040-1050...two uranium-bearing pegmatites in San Bernardino County, Calif. The Cady Mountains pegmatite body, near |  | | Report (issue) | | which have been formed to exploit them. WASHINGTON COUNTY. AMERICAN MOLYBDENUM COMPANY'S PROPERTY. Location...deposit is situated on the south slope of a gentle hill 500 or 600 feet high, overlooking the stretch of...Molybdenum Company. HANCOCK COUNTY. The known deposits of molybdenum in Hancock County lie along the north and...high, known as Catherines Hill, has been prospected to some extent. The hill shows several benches with...to the top of the hill. Molybdenite is said to be found also at the foot of the hill. It occurs in flakes |  | | Report (volume) | | Monazite deposits in calcareous rocks, northern Lemhi County, Idaho: Idaho Bur. Mines and Geology Pamph. 99... p. 76-77. Gadolinite from Llano County, Tex., and from Henderson County, N. C., has been mined and used...Minerals of the rare-earth metals at Baringer Hill, Llano County, Tex.: U.S. (}eol. Survey Bull. 340,...mi~erals of the deposit are gadolinite, alanite, cyrtolite, fergusonite, and polycrase containing the elements...deposits of the Mountain Pass district, San Bernardino County, Calif: U. S. Geol. Survey Prof. Paper 261, 75 |  | | Journal (issue) | | 179 by Paul Tambuyser Yttrocrasite from Central Texas..............................182 by Wilson W. Crook...No. 3 Carl Francis Long Hill Tungsten Mine Trumbull, Connecticut The Long Hill tungsten deposit at Trumbull...Trumbull, Fairfield County, Connecticut, which is noted for its large pseudomorphs of wolframite after...produced good crystals, is located in Trumbull’s Old Mine Park. Mining was never very prof itable and the...drinking water, a comfort station, and parking lot Old Mine Park is today an attractive and popular recrea |  | | Journal (issue) | | ................78 by Pete J. Dunn The snowbird Mine, Montana’s Parisite Loca lity.....................Pegmatite: A Rare Earth Pegmatite in Burnet County, Texas............................................... 112 by Anthony Robert Kampf The Harding Mine, Taos County, New Mexico......................... 115 by...between Minot and Auburn, Maine, in Androscoggin County. The Pulsifer quarry, along with the Keith and...STEVENS, J.P. (1972) Gems and minerals o f Oxford County. Published by Perham’s Maine Mineral Store, 136-153 |  | | Report (issue) | | Austin Austin, Texas 78712 JOHN T. LONSDALE, Director Report of Investigations — No. 42 Texas Gemstones...OFECONOMIC GEOLOGY The University of Texas at Austin Austin, Texas 78712 JOHN T. LONSDALE, Director —...— No. 42 Report of Investigations Texas Gemstones By Elbert A. King, Jr. February 1961 — — — Second...gemstones Cabochon gems Faceted gems Tumbled gems Texas gemstones Amber Augite Beryl Celestite Diamond Epidote...Illustrations 1. Typical crystal form of three common Texas gemstones 2. Variations of the cabochon cut 3. Diamond |  | | Journal (article/letter/editorial) | | ABSTRACTS SEVEN NEW BARIUM MINERALS FROM FRESNO COUNTY, CALIFORNIA EASTERN CaliJornia Dilision Joux...silicate minerals have been found in eastern Fresno County, California. The minerais occur in sanbornite-bearing...RI CA A NEW, BARINGER HILL.TYPE, RARE-EARTH PEGMATITI, THE CENTRAL MINERAL REGION, TEXAS FROM A. J....of an occurrence quite similar to the famous Baringer Hill pegmatite, now flooded by the waters of Buchanan...similar to the "red rock" of the Baringer Hill pegmatite. Cyrtolite and fergusonite occur disseminated |  | | Journal (article/letter/editorial) | | S. Dak., and the Hyatt Beryl pegmatite,Larimer County, Colo.; and to JamesJ. Page,who furnishedmostof...silicates,.suchas allanite, tscheffkinite,zircon (cyrtolite), and gadolinite, that may contain uranium. The...1. Cross section,Hyatt Beryl pegrnatite,Larimer County, Colo. Fracture-filling units are tabular or veinlike...(zone 4). The Hyatt Beryl pegmatite, * Larimer County, Colo. (Fig. 1) is an exo Cameron, E. N., Jahns....l Fro. 2. Plan of the Pidlite pegmatite,Mora County, N. Mex. the inner part of the perthite-quartz-plagioclase |  | | Report (volume) | | 248 259 269 271 275 281 r 4 CONTENTS. Page. Texas...................................................New Mexico, Oregon, South Dakota, Tennessee, and Texas; to list all the literature consulted would be impracticable...Phillips, W. B., The mineral resources of Texas: Univ. Texas Bull. 365, Sci. Ser. 29, 1914. Among other...Albany. North Carolina_.Dr. Joseph Hyde Pratt, Chapel Hill. North Dakota_.Dr. A. G. Leonard, Grand Forks. Mr...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Report (volume) | | North Carolina.. .Dr. Joseph Hyde Pratt, Chapel Hill. North Dakota... .Dr. A. G. Leonard, Grand Forks..........Mr. George H. Ashley, Washington, D. C. Texas............Dr. William B. Phillips, Austin. Vermont...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 |  | | Report (volume) | | ................................. Androscoggin County............................................. Auburn......................................... Lincoln County ............................................................-...:.....-................. Oxford County........................;............................................................. Sagadahoc County.. '...... ............................................................................ Hartford County ..... ....................:............ ...... |  | | Journal (issue) | | MINERAL COLLECTIONS IN TEXAS III A SUPPLEMENT TO THE MINERALOGICAL RECORD, NOVEMBER–DECEMBER 2020 ... Mineral Collections in TEXAS UVolume IIIV With an Introduction by Wendell Wilson A Supplement to...November–December 2020 MINERAL COLLECTIONS IN TEXAS Mineral Collections in Texas Volume III A Supplement to The Mineralogical...row, from left: Euclase, 2.3 cm, from the Gachalá mine, Guavió-Guatéque mining district, Boyacá Department...twin, 5.5 cm, from the Amo tin deposit, Ximeng County, Yunnan, China. Wally Mann collection; Joe Budd |  | | Book | | Mineralogy University of ~1ichigan .. 1958 McGRAW-HILL BOOK COMPANY, INC. NEvV YORK TORONTO LONDON ~...RADIOACTIVE RAW MATERIALS Copyright © 1958 by the McGraw-Hill Book Con1pany, Inc. Printed in the United States... . . . . . . . . . . . . . . . . . . . . . . . Texas . . . . . . . . . . . . . . . . . . . . . . . ....and some 1'hO 2 crystallize. Thorogum1nite and cyrtolite, in which SiO4 groups are replaced by (OH) 4 (Frondel...gadolinite, and some zircon (var. cyrtolite). In the Baringer Hill, Texas, pegmatite, Landes ( 1932) noted |
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