 | | 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 |  | Piilonen, P. C., Rowe, R., Poirier, G., Grice, J. D., McDonald, A. M. (2014) Discreditation of thorogummite. The Canadian Mineralogist, 52 (4) 769-774 doi:10.3749/canmin.1400058 | Journal (article/letter/editorial) | | minerals including kasolite, uraninite, feldspars, quartz, sulfides, and unnamed carbonate, phosphate, and...(1889) for material from the pegmatite at Baringer Hill, Texas. If a true type species existed, it would...(1953) utilized Harvard Museum specimens from Baringer Hill in his study, all of which matched the descriptions...Frondel also collected material to augment the Baringer Hill samples, but this additional material no longer...Frondel from Iimori); and (4) Baringer Hill pegmatite, Bluffton, Llano, Texas (four, one of which is known |  | | Report (volume) | | BULLETIN 450 MINERAL RESOURCES OF THE LLANO-BURNET REGION, TEXAS WITH AN ACCOUNT OF THE PRE-CAMBRIAN GEOLOGY...Opaline quartz-feldspar porphyry type....................... 14 Schists and gneisses (Llano series).... 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...Rode Ranch pegmatite consistsof bodies of milky quartz and large massesand crystalsof microclineperthite |  | | 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 (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...year. Continued on page 6 l. • Figure 1. Smoky quartz crystals from Pebble Beach pegmatites; Art Smith...Mexico • Art Smith 9118 Concho Street Houston, Texas 77036 In the fall of 1996 when I purchased part |  | | 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 |  | | Report (issue) | | bastnäsite-(Ce), lanthanite, synchysite, calcite, quartz. Distribution: In Sweden, from Ytterby, on Resarö...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, |  | | Journal (article/letter/editorial) | | PEGMATITE, LLANO COUN'I'Y, TEXAS RonRnr GnnnNwooo, GeologyDept., Univ, oJ'Howslon,Houston, Texas. The Badu...Badu pegmatite, chiefly composed of microcline and quartz' intrudes carbonate-richmetasedimentsof the Packsaddle...intermediate zone chiefly of microcline, and discontinuous quartz cores. During a field trip on 25 April, 1964,T...occasion. 'Ihe well-known rare-earth pegmatite of Baringer Hill, now.submerged beneath Lake Buchanan 5 miles...across,veined bv reclaibite (Landes,1932).13a_ringer Hill fluorite is almost colorlessto dark violet, and |  | | Journal (article/letter/editorial) | | Hanson, Simmons, and Falster abstract on the Mojave County pegmatite district, Rochester Mineralogical Symposium...Gifu Prefecture, Japan. Minerals include smoky quartz and Baveno-twinned microcline. Masutomi Museum...An example of an LCT pegmatite is the Oceanview mine, described by Mauthner in this issue (pages 292–297)...6/16/08 3:12:16 PM Figure 2. Microcline and smoky quartz from NYF miarolitic pegmatite, Tanakamiyama, Shiga...Hampshire (Samuelson, Hollmann, and Holt 1990); Baringer Hill, Texas (Landes Rare-Element Miarolitic Class |  | | 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...informative mineral features". The authors describe quartz, feldspar, mica and others in terms of what the...Huizing, 534 I Thrasher Dr, Cincinnati OH 45247 USA Please, make checks payable to Mineralogical Almanac |  | | 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...quarrying operations by the Texas Architectural Aggregate Company for milky quartz tobe used in tetrazo chips |  | | Journal (issue) | | intergrown clusters in pockets in a matrix of massive quartz and pyrite. Equally inconspicuous were radiating...length of arsenolamprite in matrix from Alacaran Mine (Pampa Larga, Copiapo, Chile). All the specimens...Precious Stones report stated that the Himalaya Mine was brought into notice in 1898 by Mr. Charles Russell... A. E. Heighway who had operated the tourmaline mine? And how did this lead to the work by the Himalaya...sarurated blue and intergrown in massive. milky quartz. Andre offers the positive attitude that ..there |  | | Journal (article/letter/editorial) | | North America; the rare earth pegmatitesb of Llano County (Texas), Minas Geraes(BraziI), Ytterby (Sweden)...pp. 11-13, 1933 8 Bastin, Edson S., Feldspar and quartz deposits of southeastern New York: U. S. Geol.Straey...1lBoth tin and tungsten minerals occur in pegmatitic quartz veins accompanying the Paleozoic granites of western...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 |  | | 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...gadolinite, zircon, magnetite, allanite, °uorite, quartz, Ä Distribution: In Sweden, from Osterby, Dalekarlien...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; |  | | 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...Jet Labradorite Microcline Obsidian Opal _ Pearl Quartz Chalcedony Sanidine Spinel Tektite (bediasite) |  | | 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...the walls of the dike there is a thin layer of quartz and feldspar, the latter on the wall itself, but...abruptly, ending in vugs filled with crystals of quartz, feldspar, and here and there purple fluorspar...small vugs, which show well-crystallized feldspar, quartz, and occasionally purple fluorspar, giving the |  | | 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 |  | | Report (issue) | | By FRANK L. HESS. GEOGRAPHY. The Brinton arsenic mine is located on the south slope of Lick Ridge, one...of the Appalachian Mountains, at Brinton, Floyd County, Va., about 14 miles southeast of Christiansburg...(See fig. 33.) So far as is known this is the only mine in the eastern United States which has mined arsenic...shipment to arsenic plants located at other points. The mine is reached from Christiansburg by a very good mountain...which the only steep grades are within a mile of the mine. According to the Survey's topographic map of this |  | | 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) | | uraninite in vein depositsin the copper King mine, Larimer county, colorado. It is also associatedwith asphaltic...asphaltic pellets from sediments in Texas and Oklaholna. In many Colorado Plateau mines cofiinite and uraninite...low-valence vanadium minerals, uraninite, clay, quartz, and organic material. In transmitted light the...with zircon; material from the Arrowhead mine in Mesa County, Colorado, has ao:6'94 A, co:6.31A, oo:ro:1:0...highly radioactive ore from the La Sar No. 2 mine, Mesa County, Colorado, which gave a zircon-typ e tc-raydifiraction |  | | Journal (article/letter/editorial) | | inward: border zone, muscovite-quartz zone, perthite zone, and quartz core. In the second stage, replacement...replacement bodies composed of cleavelandite-quartz, cleavelandite, and cleavelandite-spodumene were developed...microcline-perthite zone was replaced by cleavelandite and quartz. The third stage consisted of supergene alteration...minerals were first described from the pegmatite, and quartz, feldspar, mica, spodumene,beryl and columbite...War II induced operators to work the long dormant mine in 1943 and 1944. Unwatering and underground mining |
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