 | | 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 .................................................................... Mica ..................................................Composition, hardness, and specific gravity of some Texas minerals Pace 25 26 39 40 43 43 43 44 45 46 47 |  | | Report (issue) | | Resource Areas of the Basin and Range Province of Texas Compiled by Christopher D. Henry and Jonathan G...Economic Geology, The University of Texas at Austin, Austin, Texas, and Michelle Frodey Hutchins, U.S...1 tabulates basic information for each resource area, including location, commodities, short description...deposits within the Basin and Range Province in West Texas occur largely as vein and replacement deposits containing...significant production of mercury came from the Terlingua area. Most of the mines in the region are small and many |  | | 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) | | PEGMATITES OF THE VAN HORN PETER MOUNTAINS, TEXAS. • T. FLAWN. ABSTRACT. Zonedand unzonedperthi...unzonedperthite-quartz-plagioclase-muscovite pegmatitesin the form of tabularbodies,irregularbodieswith tabularbranches...Precambrianmetasedimentary rocksof the Mica Mine area, Van Horn Mountains, Texas. Zoned bodies have a core of perthite...and quartz and a plagioclase-quartz-perthite-muscovite wall zone. The pegmatitescontainnumerousschistinclusions...featuresof Mica Mine pegmatites are best explainedby the magmatictheory. The Mica Mine area has possibilities |  | | Report (issue) | | SOME DEPOSITS OF MICA IN "THE UNITED STATES. By DOUGLAS B. STERRETT. INTRODUCTION. This paper is intended...intended to present descriptions of a number .of mica deposits examined in various parts of the United...information on the production, value, uses, and nature of mica is given only very briefly. Much assistance was...Electric Co.'s mine; Andrew T. Orr, of the Mica Products Co.; C. W. Bryant, of the Standard mine; L. R. Brown...general information on a number of mines in Grafton County and extended other kindnesses; M. M. Kilton, of |  | | Book (volume) | | Fourche and Cheyenne rivers. These pine covered mountains, higher than the Alleghenies, culminate in Harney...instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...and a Southern Section, covering a somewhat larger area around Harney Peak. The northern section is characterized...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides |  | | Report (issue) | | and rocks of the tri-state border region— West Texas, southern New Mexico, and northern Chihuahua Kenneth...Geological Sciences, University of Texas at El Paso, El Paso, Texas 79968, USA Abstract—Industrial minerals...approximately two million people in the cities of El Paso, Texas; Ciudad Juarez and Chihuahua, Chihuahua; and nearby...Proterozoic lithologic units of the Franklin Mountains that bisect El Paso, together with Paleozoic and...Frasch sulfur production in adjacent Culberson County, west Texas. Halite, gypsum, and barite have also |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...MILFORD, area creek gravels and alluvial deposits, rare⎯Diamond. CLINTON COUNTY WILMINGTON, area of Todd’s...Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships of Washington, Virginia, Bedford,...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...DELAWARE, area Co. exposures of blue clay, as clusters and nodules⎯Pyrite (crystals sharply cubic). FRANKLIN |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...MILFORD, area creek gravels and alluvial deposits, rare⎯Diamond. CLINTON COUNTY WILMINGTON, area of Todd’s...Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships of Washington, Virginia, Bedford,...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...DELAWARE, area Co. exposures of blue clay, as clusters and nodules⎯Pyrite (crystals sharply cubic). FRANKLIN |  | | Report (volume) | | SURVEY GEORGE OTIS SMITH, Director Bulletin 740 MICA DEPOSITS OF THE UNITED STATES DOUGLAS B. STERRETT...Physical properties_____________________________ Mica mining__________________ ____ _ ________ . Hist...Methods_____________________:_____________ Preparation of mica for the market____________________ Uses________...General features____________________________ Coosa County _________ ____________________ Randolph County...__ Royal Gorge region_________________________ Texas Creek region _________________ _ _ Jefferson Co |  | Mulder, Jacob A., Karlstrom, Karl E., Fletcher, Katherine, Heizler, Matthew T., Timmons, J. Michael, Crossey, Laura J., Gehrels, George E., Pecha, Mark (2017) The syn-orogenic sedimentary record of the Grenville Orogeny in southwest Laurentia. Precambrian Research, 294. 33-52 doi:10.1016/j.precamres.2017.03.006 | Journal (article/letter/editorial) | | University of New Mexico, Albuquerque, New Mexico 87106, USA 3 New Mexico Bureau of Geology and Mineral Resources...Mexico 87801, USA. 4 Department of Geosciences, University of Arizona, Tucson, Arizona 85721, USA. Abstract...the Late Mesoproterozoic. New detrital zircon, muscovite, and biotite ages refine the provenance, depositional...isolated basement uplifts in central and western Texas (Mosher, 1998; Bickford et al., 2000; Mosher et...Laurentia with an extensive detrital zircon, muscovite, and biotite dataset. A detailed record of the |  | | Report (volume) | | .......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...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | 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...See Bauxite and Halloysite. 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; |  | | Report (issue) | | DEPOSITS OF THE MURPHY MARBLE BELT BY EARL C. VAN HORN PREPARED AND PUBLISHED IN COOPERATION WITH THE...DEPOSITS OF THE MURPHY MARBLE BELT By EARL C. VAN HORN PREPARED AND PUBLISHED IN COOPERATION WITH THE...years. Although geological work has been done in the area at different times, this bulletin represents the...indicates that there are ample reserves of talc in the area for long term operations, and it is believed that...herein will be of value to those interested in the area. Respectfully submitted, R. BRUCE ETHERIDGE, Director |  | | Book | | Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin...archaeologists working in the remote Lake Rudolf area of Africa's Kenya found shaped stone implements...had been sending great expeditions to prospect and mine for it throughout the Sinai Peninsula since at least...been discovered on the flanks of the Caucasus Mountains in the land of Colchis (now Soviet Georgia). The...fastnesses of the Southwest, visitors toured the area, bringing home beautiful rock souvenirs to be made |  | | Journal (article/letter/editorial) | | large number of districts in the Rocky Mountain area, and the inner gorge of the Grand Canyon of Arizona...sufficiently large to be exploitable for feldspar or mica or other minerals. Complex pegmatites were also...America; the rare earth pegmatitesb of Llano County (Texas), Minas Geraes(BraziI), Ytterby (Sweden), Tanganyika...associatedwith the ore deposits of the New England area of New South Wales are related to Carboniferous...1924. 18Anderson, A. L Genesis of mica pegmatite deposits, Latah County, Idaho: , Econ. Geology,vol. 28 |  | | Report (issue) | | Reconnaissance of the ore deposits in northern Yuma County, Ariz.: Bull. 451, 130 pp., 1911. 30c. -. The ore...geology and mining district'of Leadville, Lake County, Colo.: Second Ann. Rept, pp, 201-290, 1882. $2...pp., 1912. The Grand Gulch mining region, Mohave County, Ariz.: Bull. 580-D, pp. 39-58, 1914. Some mining...1911. : Mineral resources of the Inyo and White mountains, California: Bull. 540, pp. 81-120, 1914. LINDOREN...LINDGREN, WALDEMAR, and BANCROFT, ROWLAND, Ferry County, Republic (Eureka) district [Washington]: Bull |  | | Report (issue) | | (later Precambrian) in the middle part of the mapped area, younger Ocoee units to the west, arid formations...southeast corner of ths Persimmon Creek quadrangle (Van Horn, 1948, sheet 1). These rocks are in part known...chlorite-sericite in the northwest onesixth of the area, sericite in the extreme southeast corner, and garnet...amphibole, and staurolite in much of the intervening area. Staurolite is restricted to thin strata believed...Strata of about the west one-fourth of the mapped area dip at flat to medium angles, interrupted by narrow |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |  | | Book | | commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...61 232 PART The Making 43 II 5 7 3 III Mine PART 267 IV Glossary 279 Bibliography 291...cities, and many of today’s prosperous western county seats began as mining-boom camps. trating sand...Whether you such as those listed alphabetically by county, township, and range in Part II of this book. Where...minerals which make lovely cabinet specimens. old mine western states, to kick up and oxidation, |  | | Book | | ISSN: 0957-4433 Contents Asbestos 1 Barite Mica Nepheline syenite 10 Bauxite 19 Beryllium minerals...come not merely from one district but from a single mine. Thus the physical properties of many rocks and...to minerals as diverse as sylvite and feldspar. Mica and talc may be micronized, i.e. subjected to...used include kaolin, talc, calcium carbon- ate, mica, wollastonite and other mineral substances. Rather...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source |  | | Report (issue) | | gneiss _____________________________________ Muscovite schist and gneiss. Kyanite schist _____ Kyanite...Slate __ . Halifax County Other localities North Carolina Hagers Mountain, Person County.- _.______ Corbett...Corbett deposit, Johnston County Burnsville-Swannanoa area, Buncombe, Yancey, and Mitchell Counties ________...________ ____ Rutherford County Other localities North Carolina-South Carolina Kings Mountain district, Cleveland...Cleveland, Gaston, and Lincoln Counties, N.C., and York County, S.C. ._ __-__ ____ --- ---General geology Rock |  | | Journal (article/letter/editorial) | | Thermochronology of the Grenville Orogeny in west Texas Stephen W. Grimes a,∗ , Peter Copeland b b a Department...Geological Sciences, University of Texas at Austin, Austin, TX 78712, USA Department of Geosciences, University...Houston, 4800 Calhoun Road, Houston, TX 77204-5007, USA Received 7 April 2003; accepted 8 December 2003...the metamorphic core of the Grenville Orogen in Texas. Unlike the correlative Llano uplift, 500 km to...biotite grade. Garnet in the southeast Carrizo Mountains grew isothermally and probably during decompression |  | | Catalog/List | | Online at HA.com/5168 3500 Maple Avenue ❘ Dallas, Texas 75219-3941 Direct Client Service Line – Toll Free:...of Fine Minerals & Gems, Auction 3 Congressman Culberson Mineral Collection • Fallbrook Gem & Mineral Society...Operating Officer 3500 Maple Avenue • Dallas, Texas 75219 Phone 214-528-3500 • 877-HERITAGE (437-4824)...directly from the miners at the Elmwood Mine in Tennessee, when the mine was actively producing twenty years...world-class Manganite from Ilfeld in the Harz Mountains of Germany, with crystals up to 1.88 inches (4 |  | | Journal (article/letter/editorial) | | view of the Tenderfoot mine (about 19131, Esterbrook copper district, Albany County. John Taylor collection...and Grace Dyck and wus titled “The Sunrise Iron Mine near Hartville, Wyoming”; it appeared in the MaylJune...“The Copper Mountain Pegmatite District, Freniont County, Wyoming” and was in the JulylAugust 2001 issue...float will not be described, although the general area will be. Because chalcedony (jaspers, agates, chens...most notable ones. The localities are listed by county and then in alphabeticnl order. Where numerous |
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