 | | Journal (article/letter/editorial) |
| THE ROCKS OF TEXAS ā T h e Southwest G e m by M R S . P E A R L G A R R I S O N Downloaded by [University...classificaĀ tions of gems presently occurring i n Texas, and i f you count the crystalline varieties of...right, 36 varieties of gem rocks can be found in Texas. Let's take them alphabetically: AMBERāa rich brown...ceous coal, and i n Terlingua Creek in Brewster County. T h e amber found in the G u l f Coastal Plain...quality. AUGITEāoccurs near Eagle Flat, Hudspeth County, in dark greenish-brown resembling obsidian, weathering |
 | | 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 hadāor currently hasānuĀ 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 |
 | | Report (issue) |
| Austin Austin, Texas 78712 JOHN T. LONSDALE, Director Report of Investigations ā No. 42 Texas Gemstones...OFECONOMIC GEOLOGY The University of Texas at Austin Austin, Texas 78712 JOHN T. LONSDALE, Director ā...ā No. 42 Report of Investigations Texas Gemstones By Elbert A. King, Jr. February 1961 ā ā ā Second...gemstones Cabochon gems Faceted gems Tumbled gems Texas gemstones Amber Augite Beryl Celestite Diamond Epidote...Illustrations 1. Typical crystal form of three common Texas gemstones 2. Variations of the cabochon cut 3. Diamond |
 | | Report (issue) |
| Ā„ TEXAS ROCKS AND \ r - An Amateurās 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 ................................................................ Cassiterite ..... -...................... .................Composition, hardness, and specific gravity of some Texas minerals Pace 25 26 39 40 43 43 43 44 45 46 47 |
 | | 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...................................... . 31 Iron Mountain..................................................................................... 49 Riley Mountain................................................. ILLUSTRATIONS. Page. PLATE I. Geologic map of Texas............................................ 7 II |
 | | Book (edition) |
| by Prof. John G. Smock, and that for the Eocky Mountain region by Mr. C. Whitman Cross. To these gentlemen...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 |
 | | Journal (issue) |
| September-October 201ā 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) |
| ___________________________________________________ Texas.____________________________________ Utah._-________...________________________________________________ Cassiterite. ________________________________________ Chromite...S. Dak., South Dakota. Tenn., Tennessee. Tex., Texas. Vt., Vermont. Va., Virginia. Wash., Washington...sample of four specimens from Roughtop (Moose) Mountain, 14 miles N. 20Ā° W. from Hot Springs. B. Composite...from Elephant Mountain, 26 miles N. 41Ā° E. from Hot Springs. C. From Wolverine Mountain, 15 miles S. 35Ā° |
 | | Journal (volume) |
| VI. County, : . BD. Sos cet oe P ay 17 20 25 32 5 VII...Rocks in thee pinity of pepeasekSas Rensselaer County, 2 3. W. : : pe Marine Fauna occupying XXIX.āNotice...aloe ee a 276 VI.āMase of Me ane Tron from Wichita County, PeRery Dye WV. MAMET Soo kk oe ie 85 XXXVII. 5...sometamorphic rocks, J. DTDana, 393.āG eology of gots County, seri EK. V. DāINVILLIERS, 396. ie on the Sania...Page 407 C. A. LI.āPaleozoic Rocks of Central Texas; by C. D. W atcort, LIT. grpene of Terrestrial Rotation |
 | | Report (issue) |
| Professional Paper 525. Numerous Federal, State, county, and municipal agencies listed on pages A221-A225...Interstate investigations ________________ _ 34 Rocky Mountain area ______________________ _ 35 Montana ____..._ 40 Oklahoma ____________________________ _ 41 Texas ________________________________ _ 42 Colorado River..._ Missouri_ _________________________________ _ Texas ____________________________________ _ New Mexico..._ 104 Eastern Arizona, New Mexico, and western Texas ____________________________ _ 106 Cenozoic volcanism |
 | | Report (issue) |
| financially in part by, the numerous Federal, State, County and City agencies listed on pages A133 to A136...____________________________ Beryllium deposits at Spor Mountain, Utah_ Beryllium minerals in the York Mountains...____________ Quality of ground water, Delaware County, New York_._____________________________ Shield..._______ Aerial radiological studies, southeast Texas. _ _ _ Subsurface geology, Little Rock, Arkansas...___________ Hydrologic studies in Arkansas and Texas.-___ Ozark region and Eastern Plains region__________ |
 | | Report (volume) |
| ...... Johnson's Iron Regions of Louisiana and Texas .................... Digest of decisions concerning...geology and mining industry of Leadville, Lake County, Colorado, by S. F. Emmons, pp. 201-290, pis. xliv-xlv...eruptive rocks of Electric Peak and Sepulchre Mountain, Yellowstone National Park, by Joseph Paxson Iddings...Newell, pp. 89-155, pis. v-vi. The laccolitic mountain groups of Colorado, Utah, and Arizona, by Whit:...structure of the ridge between the Taconic and Green Mountain ranges in Vermont, by T. Nelson Dale, pp1 . 525-549 |
