 | | 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 |  | | 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) | | 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 ....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...apparently similar to the "red rock" of the Baringer Hill pegmatite. Cyrtolite and fergusoniteoccur disseminatedin |  | | 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 |  | | Report (issue) | | 07H2 O. Occurrence: An alteration coating on yttrium-bearing minerals. Association: Gadolinite-(Y)...north of Hull, Quebec, Canada. In the USA, from the Baringer Hill pegmatite, 26 km west of Burnet, and...pegmatite, near Bluffton, Llano Co., and from the Clear Creek pegmatite, Burnet Co. Texas. Additionally...National Museum of Natural History, Washington, D.C., USA, R13924. References: (1) Palache, C., H. Berman, |  | | Report (issue) | | ® = 99 ± 2 0 X-ray Powder Pattern: Baringer Hill, Texas, USA; pattern from metamict material heated...14 4.84 2.01 Total 2.04 100.00 (1) Baringer Hill, Texas, USA; partial analysis. (2) Y4 FeSi 4 O14 F...Gadolinite, yttrialite (Baringer Hill, Texas, USA). Distribution: In the Baringer Hill pegmatite, 26 km west...west of Burnet, Llano Co., and from Clear Creek, Burnet Co., Texas, USA. In the Evans-Lou quarry, near...Baltimore, Maryland, USA, student of the spectra of the rare earth elements, and for its yttrium content. Type |  | | Journal (article/letter/editorial) | | Hanson, Simmons, and Falster abstract on the Mojave County pegmatite district, Rochester Mineralogical Symposium...2003; Simmons 2007). NYF stands for niobium (Nb), yttrium (Y), and fluorine (F), rare elements that concentrate...characteristically elevated in their concentration. Yttrium and the lanthanides are rare-earth elements (REE)...An example of an LCT pegmatite is the Oceanview mine, described by Mauthner in this issue (pages 292–297)...Hampshire (Samuelson, Hollmann, and Holt 1990); Baringer Hill, Texas (Landes Rare-Element Miarolitic Class |  | | Journal (article/letter/editorial) | | BETA-BE(OH)2, FROM THE RODE RANCH PEGMATITE, LLANO COUNTY, TEXAS Anrnun J. EnrrunNn, GeologyDeparl,ment,Teras...gadolinite occurring in the Rode Ranch pegmatite, Llano County, Texas. It usually occurs as euhedral to subhedral...were first observedby Joe Williams of San Saba, Texas in an examination of various sarnplesfrom the Rode...of Texas and has a suite of rare earth minerals similar to the presently inundated Baringer Hill ppgmatite...this locality during quarrying operations by the Texas Architectural Aggregate Company for milky quartz |  | | Report (issue) | | 379(3) X-ray Powder Pattern: Kingman, Arizona, USA. 3.104 (vs), 2.808 (m+), 5.52 (m), 3.79 (m), 3.276...Russia. In the USA, in the Baringer Hill pegmatite, 26 km west of Burnet, Llano Co., Texas; in the Snow°ake...Snow°ake feldspar mine, Teller Co., and the White Cloud pegmatite, South Platte district, Je®erson Co., Colorado;...Thal¶en (1827{1905), Swedish physicist, and its high yttrium content. Type Material: n.d. References: (1) |  | | Report (issue) | | Falun. In Finland, from Laurinmäki. From the Blum mine, Ilmen Mountains, Southern Ural Mountains, Russia...elsewhere. In the USA, from the Baringer Hill pegmatite, 26 km west of Burnet, Llano Co., Texas; in the Champion...near Kirkaldy, Scotland, and for its predominant yttrium content. Type Material: n.d. References: (1) |  | | Journal (issue) | | "01ii;'fllcd mine I, r Lhcr Uuu, 11 roi:t:lure-,amorpl1.0miblob or...(14 meters) in length were reported from the Etta Mine in South Dakota (see figure 2). and one large crystal...cadmium sulfide. They are both found at Sterling Hill and Franklin (New Jersey) almost exclusively as...Huizing, 534 I Thrasher Dr, Cincinnati OH 45247 USA Please, make checks payable to Mineralogical Almanac...1907, Endicott discoYered amazon stone in Custer County, aquamarine and rose quartz at the Wild Rose claim |  | | 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 |  | Matsubara, Satoshi, Miyawaki, Ritsuro, Yokoyama, Kazumi, Shigeoka, Masako, Momma, Koichi, Yamamoto, Sadaoki (2014) Magnesiorowlandite–(Y), Y4(Mg,Fe)(Si2O7)2F2, a new mineral in a pegmatite at Souri Valley, Komono, Mie Prefecture, central Japan. Journal of Mineralogical and Petrological Sciences, 109 (3) 109-117 doi:10.2465/jmps.131126 | Journal (article/letter/editorial) | | rowlandite–(Y), which was described from Barringer Hill, Texas, USA (Hidden, 1891), and the mineral subsequently...(1974). † Barringer Hill, Texas, USA. Frondel (1961). ‡ Clear Creek, Texas, USA. Crook et al. (1978)...gadolinite–(Y) in the pegmatite at Barringer Hill, Llano County, Texas, USA (Hidden, 1891). Later, Hess (1908)...recrystallized phase could not be identified with any yttrium silicates known at that time (Frondel, 1961), it...study); rowlandite–(Y), Barringer Hill and Clear Creek, Texas, USA (Crook et al., 1978); rowlandite–(Y) |  | | Report (issue) | | (1) Ytterby, Sweden. (2) Douglas Co., Colorado, USA. (3) Near Yokkaichi, Mie Prefecture, Japan; by electron...Salzburg. In the USA, in the Clear Creek pegmatite, Burnet Co., and the Baringer Hill pegmatite, 26 km...of Burnet, and at Rode Ranch, near Blu®ton, Llano Co., Texas; in Arizona, near Hackberry, Mohave Co.; on...chemist, Johan Gadolin (1760{1852), who discovered yttrium. References: (1) Dana, E.S. (1892) Dana's system |  | | Report (volume) | | holmium, erbiun1, thulium, ytterbium, and lutecium. Yttrium, atomic no. 39, and scandium, no. 21, occur almost...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,...hundred pounds per year of rare earths, mainly yttrium, and zirconium have been produced: from .this area |  | | Journal (article/letter/editorial) | | Yttrialite, metamict yttrium silicate, YzSizOz, was first founcl a't Llano, Texas (Hidden and Mackintosh...specimens from the original locality of Baringer Hill, Llano, Texas, and direct synthesis from precipitated...chlorides. comparison of purities of hydrated yttrium silicates prepared from both alkaii-free and alkali-containing...amounts of silicic acid and rare-earth (including yttrium) chlorides was heated to boiling and conc. ammonia...the original specimens of yttrialite from L1ano, Texas, and of Lhalenite from Suishoyama, Japan, are given |  | | 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 |  | | Report (issue) | | Co., Texas, USA. Occurrence: In granite pegmatite. Association: n.d. Distribution: In the USA, from...Burnet Co., Texas, about five km east of Baringer Hill. Name: From a dominance of YTTRium in the composition...addition to yttrium. Type Material: National Museum of Natural History, Washington, D.C., USA, 119841. |  | | Journal (issue) | | ............ 3 Spring Collecting Trip to the Texas Hill Country .......................................and desserts. I Spring Collecting Trip to the Texas Hill Country by Art Smith artsmithite@msn.com Member... knew that making a collecting trip to central Texas May 12–18 might be pushing my luck a bit as far...still there but not as strong. Heading northeast to Llano, I decided to take the Willow City scenic loop and...right, though I was close to it. In Llano, I stopped by the Llano Uplift Rockshop and saw that it had |  | | Journal (article/letter/editorial) | | Calif. A new, Baringer Hill-type, rare-earth pegmatite from the Central Mineral Region, Texas. A. J. Ehlmann...J. L. Walper, Texas Christian University, Fort Worth, Texas, and J. Williams, The Texas Architectural...Architectural Aggregate Company, San Saba, Texas. The origin of some native lead-pyrochroite parageneses. Kurt Bostrom... Seven new barium minerals from eastern Fresno County, California. John T. Alfors, Melvin C. Stinson...Trip-Asbestos Picnic Thursday-July 9:00 e.u. Hill. Area Geology Mine in Gallatin Canyon 30, 1964 The crystal |  | | 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 (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 |  | | Report (issue) | | ¥ TEXAS ROCKS AND \ r - An Amateur’s Guide ;s ROSELLE M. GIRARD A b OF ECONOMIC GEOLOGY V N IVERSITY...The University of Texas Austin, Texas Peter T. Flawn, Director Guidebook 6 TEXAS ROCKS AND MINERALS...Rock identification charts Descriptions of some Texas rocks and minerals Anhydrite .....................Composition, hardness, and specific gravity of some Texas minerals Pace 25 26 39 40 43 43 43 44 45 46 47...81 84 85 85 87 87 88 89 90 93 94 94 95 97 99 Texas Rocks and Minerals Books about rocks and minerals |
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