 | | 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...Labradorite Microcline Obsidian Opal _ Pearl Quartz Chalcedony Sanidine Spinel Tektite (bediasite) _ 19 19 |  | | 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) | | APRIL 1861 GEOLOGY OF THE BARRILLA MOUNTAINS, TEXAS BY G. K. EIFLER, JR. ABSTRACT The Barrilla Mountains...northeastern part of the Davis Mountains of Trans-Pecos Texas, are composed of Tertiary volcanic materials. Five...map and structure section of Barnlla Mountains, Texas 339 2. |eff conglomerate southwest of Jeff ranch...user 340 G. K. EIFLER, JR.—BARRILLA MOUNTAINS, TEXAS tains resemble the more extensive Davis Mountains... Bureau of Economic Geology, The University of Texas, described the igneous rocks petrographically. A |  | | 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 |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...nodule may contain a center of surrounded by chalcedony easily discernible quartz crystals that crystalline...mass. Tenacity is a quality closely allied chalcedony and jasper, because of their makeup, are tougher...granite except and cools, gas pockets may be chalcedony or opal, de- dissolved from the lava. Similarly...northern Idaho. the cells with silica, or a cast of chalcedony space left Two other formations create conditions |  | | Book (volume) | | 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...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles...of rd. a few yds., outcropRose Quartz. DOUGLAS COUNTY CORSICA, S on US 281 to Armour, area rd. cuts, |  | | Book (volume) | | that is mostly a mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Book (volume) | | that is mostly a mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...easily discernible quartz crystals surrounded by chalcedony that is crystalline only to the eye of the microscope...a quality closely allied to fracture pattern; chalcedony and jasper, because of their cryptocrystalline...rock cools, leaving a mold in which casts of chalcedony form. Or the tree substance may be replaced slowly...a gun," writes a Colorado collector. "As far as Texas is concerned," says a Texan, "the legislature, prodded |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...may be able to buy specimens. map of Keweenaw County. Mich- Part of the U.S. Geological Survey topographic...such as the cryptocrystalline quartz known as chalcedony, eral and. filled with crystals of the perhaps...clearly, see diagram below left 3. layers of chalcedony tonishment they found that most tourmaline |  | | Book (edition) | | from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E... Baja California 19. Sequist Ranch topaz area, Texas 20. Little Three mine, Ramona, California 21. Gem-bearing...of tourmaline crystal forms 38. Map of San Diego County, California gem sources 3 9. Stewart Lithia· and...View of Clear Creek, San Benito County, California 55. Monterey County jade-producing shoreline, California...San Benito County, Calfornia E. L. Gray Opencut wall, Dallas Gem mine, San Benito County, California | | | Book | | topographic map of the Delaware q uadrangle o f Keweenaw County, Michigan This ,s an example o f the more picturesque...such as th e c ryptoc rystalline quartz known as chalcedony, filled with c rystals of the same mineral and...clearly. see diagram below left 3. 2 layers of chalcedony tonishment they found that it led to a series...from Solenhofen Germany (Right) Stalacllte of chalcedony from South Africa ~ • Z,~ J; • 1- _,.. -...mass of tumbled stones. mostly of the quartz and chalcedony family-agates and Jaspers-and large tumbling |  | | Report (issue) | | been completed on the "Permian reef complex" of Texas and New Mexico which have established an excellent...selectively and delicately silicified by chert, chalcedony, and raegaquartz. In some cases, silicification...climatically and paleogeographically, the Permian of west Texas and New Mexico was much more like the arid, continentinterior...and Ochoan units are shown in Table 3 (listed by county). Production totals for each producing stratigraphic...Haigh, 1958; West Texas Geological Society, 1960 and 1969; Hobbs, Roswell, and West Texas Geological Societies |  | | Journal (issue) | | September-October 201✓ Mineral Collections in Texas A Supplement to The Mineralogical Record September-October...those found in neighboring Arizona and New Mexico; Texas is oil country, and many fortunes have been made... but all are worthy of study and appreciation. Texas collections generally tend tobe very broad in scope...collecting in Texas today has already been weil demonstrated by the Mineralogical Record's first Texas supplement...minerals that are preserved in Texas collections. Presented here in the second Texas supplement are another 811 |  | | Report (volume) | | H1ldebrand, Fred A, Havens, R G Thalemte from Teller County, Colorado, zn Geolog1cal Survey Research 1962 U...Emery (compiler) Foreland Pennsylvanian rocks of Texas and eastern New Mexico, zn Pennsylvaman System m...Precambnan(?) and Cambnan stratigraphy m Esmeralda County, Nevada, m Geolog1cal Survey Research 1962 US Geol...data on the Chmax stock, Nevada Test S1te, Nye County, Nevada Geophystcs, v 27, no 5, p 599-610, tllus...1244 Amsbury, Davad L Detntal dolomite 10 central Texas v 32, no l, p 5-14, tHus, 1962 1057 Amsden, Thomas |  | | Report (issue) | | 00unse Geology of the Solitario, Trans-Pecos Texas Charles E. Corry WOCE Hydrographic Programme Office...Dallas, Texas 75222 Fred W. McDowell Department of Geological Sciences University of Texas at Austin...Austin Austin, Texas 78712 Kenneth A. Phillips P.O. Box 54 Arvada, Colorado 80001 SPECIAL PAPER a ss a ...ion Data Geology of the Solitario, Trans-Pecos Texas / Charles E. Corry. p. cm.—(Special paper ; 250)...(Geology)—Texas—Presidio County. 2. Domes (Geology)-Texas—Brewster County. 3. Geology—Texas—Presidio County |  | | Report (volume) | | cientlfica Circular Classe classification Company, County Collections Committee Communications Comparative...Abstracts nos. 5, 6. Bethlehem, Pa. Los Angeles County Museum: Publications nos. 4-7; Quarterly vol. 6...Landsmen's Association Yearbook vols. 16, 17. Austin, Texas. National Research Council Bulletin nos. 113, 114...Nashville, Tenn. Texas Agricultural and Mechanical College Bulletin 83. College Station. Tex. Texas Geographic...2. Dallas, Tex. Texas State Board of Water Engineering [Reports]. Austin, Tex. Texas University, Bureau |  | | Report (volume) | | Pub. Co. Texas, Tordilla Hill area, color: Shale nomenclature: Clark, T. H. ,6. South Texas Geol. Soc...described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor:...analysis: KelH. D., 5. ler, W. D., 3. Talladega County, hematiteOklahoma, potash agstone, granite magnetite...ground water: Powham, C. E. ell, W. J., 4. Marengo County: Newton, J. G., 1. Core-drilling program, ChattanooMica:...J.,4. Excursion, Tertiary type-localiMontgomery County: Reade, ties: Rainwater, E. H. , 1. H. L. , Jr |  | | Book | | Sabkha Yotvata, Israel.181 Basin and Range playas, USA.182 Salars of South America.187 Ephemeral stream...300 Lacustrine evaporites.301 Eocene Lake Gosuite, USA.304 Oligo-Miocene lake, Calatayud Basin, Spain.306...troughs. Hutchison Salt, Kansas. Delaware Basin, west Texas. Holbrook Anticline, Arizona. Black Hills, South...Sarakham salt, Thailand.495 Palo Duro Basin, west Texas.497 Dissolution at the bottom.498 Basal anhydrite...Basin, Spain.504 Modern karst in Cretaceous gypsum, Texas.506 Modern gypsum karst in Saudi Arabia.508 Halite |  | | Report (issue) | | Beryllium in the Mount Wheeler area, White Pine County, Nevada-__________ Beryllium in the Lake George...basin, Wyoming-________________ Coastal plain, Texas. ___________________ Front Range, Colorado,__-_-----____---_...Development of the Fredonia anticline in Wilson County, Kansas._________________________ 22 Austin chalk...______________________________ 22 Water withdrawal in Reeves County, Texas____ 23 Aquifer filled in Haskel and Knox...agencies.-__-___-__---____--_____-_-_-__ 106 State, County, and Municipal agencies.___________ 106 Investigations |  | | Report (issue) | | 501. During fiscal 1963, numerous Federal, State, County, or Municipal agencies listed on page A247 have...__-__-_-__-____-___-_-_-__ Oklahoma. ____________________________ Texas. _____________ ___________________ Pacific coast..._. Federal agencies.___________________ State, county, and municipal agencies. 247 247 247 U.S. Geological...Butte iron deposit in the Gravelly Range, Madison County, Mont., is, like nearby deposits, a metamorphosed...) age in the northern Cortez Mountains, Eureka County, Nev., probably was derived from nearby Early Cretaceous |  | | Report (volume) | | Alabama Alabama Geol Survey Bull Alabama Geol Survey County Rept. Alabama Geol Survey Inf Ser -Alabama Geol...Alabama Bulletm and Geological Survey of Alabama County Report and Geological Survey ofAlabama Informatwn...-- Houston Geological Society Bulletm Houston, Texas Idaho Bur. Mmes and Geology lnf Circ -Idaho Bur...Technology Society of Petroleum Engmeers of AIME Dallas, Texas Jour Petrology -- Journal of Petrology Oxford Umversity...Liverpool, England Los Angeles County Mus Contr Sci --Los Angeles County Museum Contnbuhons m Science Los |  | | Book (edition) | | The largest groups of new terms have been U.S. county names; rock-formation names (mostly North American);...Thesaurus. These include local geographic terms, U.S. county names, rock-formation names, and fossil names....term must be a name unique to one area. Lincoln County is not assigned coordinates in the Thesaurus, because...North America from the broader terms of Hanover County. There is no reciprocal entry for each broader...counties of the United States; e.g., Chautauqua County may have a broader term Kansas or New York. BX |  | | Report (issue) | | Stockman, 1947); water from Skaggs Springs, SonOina County, Calif. (Everhart, 1950, p. 385-394; White, 1955a...Grnndviow, soc. 9, '1'. 10 S., R. 1 W., Owyhee County, Idaho. Water from pool below spring. Flows 25... at head or East Fork of Jemez River, Sandoval County, west of Los Altuuos, N. Mox. Flows 250 ~pm (estimated)... 106 rt deep, 1 milo south of Mebane, Alamance County, N.C. In rhyolite tufi of Paleozoic(?) age. Unpublished...ft deep, soc. 12, '1'. 23 S., R. 30 E., Harney County, Oreg. In rhyolite or Danforth Formation of 'l'crtlary |  | | Book (edition) | | the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United...States Earlier editions had Terms such as Washington County and Portland for counties and cities of the United...for example: Washington County Arkansas and Portland Maine. Each new county Term can now autopost its...to counties was a major task. The scope of U.S. county and city Terms can now be clear even when they...For example, whenever an in¬ dexer uses Atchison County Kansas the Terms Kan¬ sas, Midwest, and United |
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Balmorhea Lake, Balmorhea, Reeves County, Texas, USA