 | | Journal (article/letter/editorial) | | the --------Arkansas Magnet Cove locality. - - - - - - - - Minerals of the Wilson Springs Vanadium Mines...Mines POTASH SULPHUR SPRINGS, ARKANSAS J. MICHAEL HOWARD Arkansas Geological Commission 3815 West Roosevelt...Little Rock, Arkansas 72204 DON R. OWENS Earth Science Department University of Arkansas at Little Rock...Rock 2801 South University Little Rock, Arkansas 72204 Unless otherwise noted, all photos by J. Michael...Owens collection 154 ROCKS & MINERALS Sulphur Springs was taken by William H. Lewis in 1844. By 1855 |  | | Book | | Collecting Arkansas JVlinerals A Reference and Guide By Arthur E. Smith, Jr. ,'T Collecting Arkansas...Box 2043 Coeur d’Alene, Idaho 83816-2043 iii Arkansas Counties 1 \ I •( 11 o •« c »««ou cxi ju4«iO«J...573-308-3500 703-648-6045 or phone 800-USA-MAPS Map 3. Arkansas’ Ouachita Mountains 7.5 Minute Quadrangal...Quadrangal Map index. V Contents and Locality Index Arkansas Quartz Crystal Deposits Special Quartz Types....Location 1 Montgomery County quartz deposits................. Other Montgomery County quartz mines...... |  | | Report (issue) | | A note on newly discovered kimberlites in Riley County, Kansas William L. Mansker, Bill D. Richards, and...petrography of the Twin Knobs ttl lamproite, Pike County, Arkansas . 205 Michael A. Waldman, Tom E. McCandless...McCandless, and Hugo T. Dummett The Cretaceous Arkansas alkalic province; A summary of petrology and geochemistry...crystals from the Potash Sulfur Springs igneous complex, Garland County, Arkansas Robert E. Zartman and...Michael Howard . 235 Isotopic relationships in Arkansas Cretaceous alkalic complexes . 241 G. R. Tilton |  | | Book (volume) | | tH MSTONESof - NORTH AMERICA ~ VOLUME olor phot raphs yo. Erica and. Harol d Van I [iL Albuquerque...87109 N.M. N_E. Bivd. Gkapats GEMSTONES of NORTH AMERICA ~ NASMI EPPA GEMSTONES OF THE WORLD...+ GEMSTONES OF NORTH AMERICA, by John Sinkankas ON@“THE VOLUME III COVER North American gems from...(25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75 |  | | Book (volume) | | Lavrion, Greece (6) and Cu-poor adamite from Ojuela mine, Mexico (7) IR spectra of acid salts (silicates...abbreviations are used in this chapter: Mt. mountain Co. county IR infrared D density Dmeas measured density Dcalc...CaB3O4(OH)3·H2O Locality: Boron Open Pit, Boron, Kern Co., California, USA. Description: Colourless crystal...Mn2+BO2(OH) Locality: Franklin, Sussex Co., New Jersey, USA (type locality). Description: Pink massive aggregate...Arsenato-Borates Sussexite 29 Mn2+BO2(OH) Locality: Gonzen mine, Sargans, St. Gallen, Switzerland. Description: |
|
