 | | Journal (article/letter/editorial) | | THE ROCKS OF TEXAS — 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...classifica 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: AMBER—a 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. AUGITE—occurs near Eagle Flat, Hudspeth County, in dark greenish-brown resembling obsidian, weathering |  | | 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...Illustrations 1. Typical crystal form of three common Texas gemstones 2. Variations of the cabochon cut 3. Diamond |  | | 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 |  | | Report (issue) | | quadrangle, Mont. (Wells, 1974), the Clark Fork, Packsaddle Mountain, and Elmira 15-minute quadrangles north of...Formation in the Hughes Range east of the Rocky Mountain trench in southeastern British Columbia, measured...stratigraphic sections Section No. 1 1A Name Siegel Mountain Seepay Creek McLaughlin Creek Eddy Creek Prospect...Peak 6 Pine Creek 7 Bear Creek 8 Stanton Mountain 9 Little Wolf Creek 10 Callahan Creek 11...between Deep Creek and Bear Creek in Seven Point Mountain, Mont., 7 1/2-minute quadrangle; contact with |
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Packsaddle Mountain, Llano County, Texas, USA