 | | 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) | | 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) | | 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...found along a quartz-albite contact but, generally, within the albite. The albite is a soft, red feldspar |  | | Journal (issue) | | Pegmatites Lake Buchanan, Llano County, Texas Art Smith 9118 Concho Str. Houston, Texas 77036 Ray Stegemoller...Box 201, Canine Road Marble Falls, Texas 78654 .7 l Llano County has long been known for its rare-earth...nl996 .. Texas resulted in extremely low water levels in Lake Buchanan...Mexico • Art Smith 9118 Concho Street Houston, Texas 77036 In the fall of 1996 when I purchased part...former Chief Geologist for Texas Gulf at their Frasch sulfur mine at New Gulf, Texas, I noticed a small vial |  | | Journal (article/letter/editorial) | | CONCENTRIC PATTERNS IN THE GRANITES OF THE LLANO-BURNET REGION, TEXAS BY DAVID K E P P E L CONTENTS Abstract.................... Fine-grained granites of the Llano region............................................993 994 994 972 DAVID KEPPEL----GRANITES OF LLANO-BURNET REGION General statement................................................ 8. Index map of Llano-Burnet uplift.....................................pre-Cambrian coarse-grained granites in the Llano-Burnet uplift of central Texas have been studied with special attention |  | | 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 |  | | 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...replaced by a fine-grained, mechanical mixture of albite and muscovite (variety "cymatolite") that forms |  | | Journal (article/letter/editorial) | | Geochronologie Study of the Lone Grove Pluton from the Llano Uplift, Texas1 by R. E. ZARTMAN2 Division of Geological...some igneous and metamorphic rocks from the Llano Uplift, Texas, was undertaken to investigate, in detail...granitic pluton and surrounding rocks from the Llano Uplift, Texas, suggests that this area has been involved...earliest recognition of Precambrian rocks in central Texas was by T. B. Comstock (1890), who applied the terms...Sidney Paige (1911, 1912) made a geologic map of the Llano-Burnet quadrangles and redefined the major metamorphic |  | | Report (volume) | | ................................. Androscoggin County............................................. Auburn......................................... Lincoln County ............................................................-...:.....-................. Oxford County........................;............................................................. Sagadahoc County.. '...... ............................................................................ Hartford County ..... ....................:............ ...... |  | | 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) | | North America; the rare earth pegmatitesb of Llano County (Texas), Minas Geraes(BraziI), Ytterby (Sweden)...minerals, are of Mesozoic age, probably Jurassic.2a Albite and diabase pegmatites of Triassic age occur in...A. L Genesis of mica pegmatite deposits, Latah County, Idaho: , Econ. Geology,vol. 28, no. 1, pp. 41-58...30Lovering, T. S., Magmatic chalcopyrite, Park County, Montana: Econ. Geology,vol 19, pp 636-640, 1924...Geology and mineral resources of eastern Cassia County, Idaho: Brill. Id.aho Bta. Mines ond.Geology,vol |  | 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) | | pegmatite. The mineral is associated with quartz, albite, K–feldspar, muscovite, allanite–(Ce), gadolinite–(Y)...rowlandite–(Y), which was described from Barringer Hill, Texas, USA (Hidden, 1891), and the mineral subsequently...pegmatite minerals are mainly composed of quartz, albite, K–feldspar, and muscovite, together with accessory...(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) |  | | 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) | | from a mass of pegmatite in northwestern Riverside county, california. He clearly recollects his chagrin...suggestionsrelating to results of his operations at the Harding mine in northern New Mexico. The writer also has profited...of giant, lath-shaped spodumene crystals, Harding mine, New Mexico. The largest crystals are about 12 feet...North Carolina, in the Harding pegmatite of Taos County, New Mexico (Fig. 1; 8, Fig.8), in a small area...Arizona, and in the Stewart pegmatite of San Diego County, California (24, Fig.22). Similar occurrenceshave |  | | 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...intruded into pre-Cambrian metamorphic rocks. Baringer Hill is famous for its yield of rare earth minerals |  | | 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 |  | | 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...of gem pockets at the Pulsifer quarry were blue albite first, then lepidolite, blue cleavelandite, smoky |  | | 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 |  | | Journal (article/letter/editorial) | | to distinguish between magmatic and hydrothermal albite. Alaskite and common granite pegmatites are by...Examples of alaskite pegmatites occur at Baringer Hill, Texas; New Ross, Nova Scotia;114and Silver Peak...near Milford, New Hampshire,lle and in Riverside County, California.r20Qtartz diorite pegmatites occur...Madagascar; Wodgina, Western Australia; Lunenburg County, Nova Scotia; IJto, Swedenl east Transbaikalia;123...of southern Norway; Ytterby, Sweden; and Llano County, Texas, and in an alkalic granite pegmatite at Cape |  | | 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 |  | | 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 |  | | 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 (article/letter/editorial) | | S. Dak., and the Hyatt Beryl pegmatite,Larimer County, Colo.; and to JamesJ. Page,who furnishedmostof...pegmatites,where they are associatedwith muscovite,albite, and quartz. The pyrochlore-microlite mineralsare...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...intermediatezoneseparates a wall zoneof perthite-quartz-albite pegmatite froma coreof perthite-quartz pegmatite |
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