 | | Report (issue) | | depositional environments of the Lower Ordovician El Paso Formation by Russell E. Clemons New Mexico State...C CAROL A. HILL, Albuquerque ALONZO D. JACKA, Texas Tech BOB JULYAN, Albuquerque SHARI A. KELLEY, SMU...CONCLUSIONS 44 REFERENCES 45 APPENDICES 49 A—OTHER EL PASO FORMATION SECTIONS 49 B—QUANTITATIVE ANALYSES OF...Jose, McKelligon, and Padre Members and total El Paso Formation at 38 sections sampled 8 2—Criteria used...features observed in the El Paso Formation 43 Al—Approximate thicknesses of other El Paso Formation sections |  | | 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) | | AND ASSOCIATED CONTACT MINERALS FROM THE FRANKLIN MOUNTAINS OF TEXAS1 oJ Tetas' Jonn T. LoNsoalr, A.tsM-...occurrence of dipyritl in Texas though collections at the University of Texas .orrtain specimens of scapolites...scapolites said to tre from Texas, but with localities only vaguely given. The locality here described...of the Franklin Mountains in the northwest corner of section 36, Block 81, El Paso County, Texas, ten miles...miles north and slightly east of the El Paso Post Offce. The northwest corner of Section 36 is located |  | | Journal (article/letter/editorial) | | & MINERALS diagram (fig. 1) shows the possible range of chemical composition of each member of what we’ll...genthelvite type-locality in West Cheyenne Canyon, El Paso County, Colorado, is located in the Pikes Peak batholith...between the two phases. Associated minerals include microcline, smoky quartz, and fluorite as centimeter-sized...Dunn (1977). In the Northern Cascades of Okanogan County, Washington, the alkaline granites of the Golden...described in 1892 from West Cheyenne Canyon, El Paso County, Colorado, by Frederick August Genth (1820–1893) |  | | Report (issue) | | excursions in New Mexico and adjacent areas of Texas and Colorado Prepared for the Geological Society...Geological Sciences, University of Texas at El Paso, El Paso, Texas 79968; 'New Mexico Bureau of Mines... DONALD E. HATITN, Ind. Univ. ALONZO D. JACKA, Texas Tech. Univ. DAVID B. JOHNSON, NMT WILLIAM E. KING...field of southern New Mexico and the Franklin Mountains of west Texas E. Y. Anthony', C. G. Barnes', W.... University of Texas at El Paso, El Paso, Texas 79968; ²Department of Geology, Texas Tech University |  | | Journal (issue) | | Famous mineral localities: the Home Sweet Home mine .......................................................... 339 by M. I. Jacobson The San Juan Mountains of Colorado ....................................quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by...significant mineral localities in C o l o r a d o ,by county. In addition, there is a complete listing o f all...type localities, and an alphabetical cross-index by mine name. T INTRODUCTION In the Spring of 1976 a group |  | | Report (volume) | | GEOLOGICAL SURVEY CHARLES g). WALCOTT, DIRECTOR THE EL PASO TIN DEPOSITS BY WAJLTER HARVEY WEED WASHINGTON... Map of a portion of the El Paso quadrangle, showing the Franklin Mountains, on the east flank of which...FIG. 1. Cross-section of Franklin Mountains 10 miles north of El Paso, Texas. 2. Section of tin vein exposed...The}7" were said to come from the vicinity of El Paso, Texas, and in view of the infrequency of wellauthenticated...1901, Mr. W. H. Weed had occasion to pass through El Paso, and he was instructed to make a reconnaissance |  | | Report (issue) | | southern part of the Oscura Mountains and the northern part of the San Andres Mountains A summary UNITED STATES...______________________________ _ Lower Ordovician rocks-El Paso Dolomite _______ _ ~iddle Ordovician rocks- Upham...showing lower Paleozoic rocks in southern Oscura Mountains ______________________ -----------14 Photomicrograph...relationships of Paleozoic rocks in southern Oscura Mountains _____ ---_-------33 Photographic relief map of...The southern Oscura Mountains and the northern extremity of the San Andres Mountains are within the report |  | | Report (issue) | | Associates CHRISTINA L. BALK, NMT ALONZO D. JACKA, Texas Tech. WILLIAM L. CHENOWETH, Grand Junction, CO...PRECAMBRIAN ROCKS 8 PALEOZOIC ROCKS 8 Bliss Formation 8 El Paso Formation 9 Montoya Formation 10 Fusselman Dolomite...the Red Hills 9 5—Bioturbated limestone of the El Paso Formation 10 6—Laminated dolomite with chert nodules...well as outlying fault blocks of the Caballo Mountains. Whereas the Rio Grande and its tributaries have...more ancient and durable rocks of the Caballo Mountains have yielded more rugged topography, featuring |  | | Report (issue) | | ----------------- 15 The Geography of Dona Ana County--------------------------------------------- 18...-------- 25 PART I. THE GEOLOGY OF THE ORGAN MOUNTAINS ------------- 26 Introduction ---------------... 4 CONTENTS PART I. THE GEOLOGY OF THE ORGAN MOUNTAINS—Continued The Paleozoic Era—Continued Ordovician...------------------------------------------------------ 42 El Paso dolomite -----------------------------------------------Montoya... CONTENTS 5 PART I. THE GEOLOGY OF THE ORGAN MOUNTAINS—Continued The Tertiary intrusive cycle—Continued |  | | Report (volume) | | varying chemical compositions and therefore a wide range of colors. Impurities, such as iron, chromium, and...Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...and Webber Hill, El Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral...Corral, Nevada County; Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Fourteen, Number Three Articles Across the San Juan Mountains ..................................................157 by C. Albertini Sellaite from the Brumado mine ..................................................P. Resende Minerals of the Buckwheat Dolomote, Franklin, New Jersey....................183 by T. A. Peters... Campbell and P. B. Leavens Pyrobelonite from Franklin, New Jersey.................................. |  | | Report (issue) | | By FRANK L. HESS. GEOGRAPHY. The Brinton arsenic mine is located on the south slope of Lick Ridge, one...minor elevations of the Appalachian Mountains, at Brinton, Floyd County, Va., about 14 miles southeast of...(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 |  | | 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 (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...Proterozoic lithologic units of the Franklin Mountains that bisect El Paso, together with Paleozoic and Mesozoic...Cristo Rey laccolithic intrusion located in the Paso del Norte. High-quality tile is produced in Chihuahua |  | | Journal (article/letter/editorial) | | FULLER BOOS The comagma tic province of the Front Range in Colorado and Wyoming has produced three generations...low relief, in strong contrast to the mountain range of Cadillac granite rising steeply on its north...the mountains separating the John Day and Stinking Water Basins. The existence of these mountains during...pre-Tertiary rocks in the core of the Straw berry Mountains. EOCENE RADIOLARIANS FROM THE KREYENHAGEN SHALES...Campbell from Moccasin Creek, near Gate City, Scott County, Virginia, was originally described as a red argillaceous |  | King, Philip Burke, Henbest, Lloyd G., Yochelson, E.L., Cloud, P.E., Duncan, Helen, Finks, R.M., Sohn, I.G. (1965) Geology of the Sierra Diablo region, Texas, with special determinative studies of Permian fossils. Professional Paper 480. US Geological Survey doi:10.3133/pp480 | Report (issue) | | Geology of the Sierra Diablo Region Texas GEOLOGICAL SURVEY PROFESSIONAL PAPER 480 Geology of...of the Sierra Diablo Region Texas By PHILIP B. KING With SPECIAL DETERMINATIVE STUDIES OF PERMIAN FOSSILS...of the varied rocks and structures of a mountain range and its foothills in the Trans-Pecos Region^ with...Formation_________________ Sequence in Carrizo Mountains.__________ Metamorphic features.__________________...____ Calcareous division.____________________ El Paso Limestone_________________________ Division A_ |  | | Report (issue) | | BULLETIN 33 Geologic Section of the Black Range at Kingston, New Mexico BY FREDERICK J. KUELLMER Structure...Structure and stratigraphy of the Black Range, detailed petrology of igneous rocks, and general guides............................................. 12 El Paso limestone .......................................Figure 1. Generalized rock section of the Black Range at Kingston ...............................5 Figure...sandstone—hematitic, glauconitic, or . quartzose; (2) Ordovician El Paso limestone—bluish-gray slabby to massive, with abundant |  | | Journal (article/letter/editorial) | | PAGES 1279–1305 1997 Grenville Magmatism in West Texas: Petrology and Geochemistry of the Red Bluff Granitic...DEPARTMENT OF GEOSCIENCES, TEXAS TECH UNIVERSITY, LUBBOCK, TX 79409-1053, USA 2 DEPARTMENT OF EARTH SCIENCES...SCIENCES, SYRACUSE UNIVERSITY, SYRACUSE, NY 13244-1070, USA RECEIVED SEPTEMBER 30, 1995; REVISED TYPESCRIPT...suite (RBGS) underlies part of the Franklin Mountains in west Texas. It was emplaced into a Middle Proterozoic...with an origin in a Grenville age magmatism in Texas is known from widely scattered exposures and subsurface |  | | Journal (article/letter/editorial) | | cliff’s of Glen Cove to South Park and the Tarryall Mountains. Researchers have subdivided that 570 million...continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic rocks that host...of Wyoming during this time are called the Snowy Range Supergroup (Graff 1978; Graff. pers. com. to Carpenter...il period of some 200 million years, the Snowy Range sediments are believed to have accumulated to a...environments have been identified in the Snowy Range sediDianne Kile in 1986. Photo by Dan Kile. ments |  | | Report (issue) | | .................................... Caballo Mountains ................................................................................. San Andres Mountains ................................................................................. Sacramento Mountains ................................................Robledo Mountains .......................................................... Northern Franklin Mountains............. 28 5. Apache Canyon area, Robledo Mountains .......................................... 48 |  | | Report (issue) | | BULLETIN 82 The Geology of the Jarilla Mountains, Otero County, New Mexico By Paul G. Schmidt and Campbell.... 54 Illustrations FIGURES View of Jarilla Mountains ................................................Frontispiece 1. Index map showing location of Jarilla Mountains ................................ 2 2. Nodule of...... 37 PLATES 1. Geologic map of the Jarilla Mountains ....................................... In pocket..... In pocket Abstract The Jarilla Mountains are a small range of hills in southern New Mexico. The |  | | Journal (article/letter/editorial) | | in every county 'of Colorado along the Front Range of the Rocky Mountains from Larimer County on the Wyoming...Wyoming line to Custer County in the south-centralpart of the state, and in scatteredpre-Cambrianareas...The pre-Cambrian schists and granites of Larimer County are cut by numerous pegmatite dikesl which have...exhibiting an ore mineral phaseoccur in Boulder County.3JeffersonCounty contains both tourmaline and muscovite... M F., and Boos, C. M , Granites of the !-ront Range; the Log Cabin batholith: Geol,Soc. Am , Absftacts |  | | Journal (article/letter/editorial) | | and tourmaline. Even the common minerals of microcline, bladed albite, and smoky quartz are enhanced...Granite, near Red Stone quarry, Conway, Carroll County, New Hampshire. Henry Minot specimen and photo...Teller and Park counties, CO, USA Crystal Park–Bear Creek, El Paso County, CO, USA Pikes Peak Granite NYF... 3 Mount Antero and Mount White, Chaffee County, CO, USA Mount Antero Granite NYF Miarolitic beryl...(1939a, b) 4 Sawtooth Mountains, Boise, Custer and Elsmore counties, ID, USA Sawtooth Granite in the |  | | Report (issue) | | 97 Geology of San Diego Mountain Area Doña Ana County, New Mexico by WILLIAM R. SEAGER JOHN W. HA WLEY...trough and adjacent uplifts from the Caballo Mountains southward to Las Cruces. The project was initiated... and reconnaissance mapping of the Black Range-Cooks Range region is completed or in progress. Our ultimate.............................................. 3 El Paso Group ...........................................Dona Ana County, New Mexico Abstract The San Diego Mountain area in north-central Dona Ana County includes |
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