 | | Report (issue) | | the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...Polytechnic Institute Research Division Bulletin 47 Virginia Polytechnic Institute, Blacksburg, Va. 24061 *... © R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound |  | | Journal (article/letter/editorial) | | Occurrence in Carroll County, Georgia" (November/December 1988). Banks County 184 ROCKS & MINERALS...Bentley provided many of the photographs. Baldwin County Milledgeville district—between the State Sanitarium...pit—east of S.R. 243 near the Baldwin-Wilkerson County line: kaolinite (Martin and Stafford, 1972). Cheatham...property—Route 3, Commerce, 4.8 km from the Jackson County line, 8 km east of Commerce on S.R. 59, and 0.8...Calgary] at 09:55 07 August 2017 Barrow County Arnold mine—1.6 km northeast of Statham, near the head |  | | Report (volume) | | aspects of the geology of the Culpeper basin of Virginia. The editors are grateful to the authors, technical...and Deep Run basins in the eastern Piedmont of Virginia 40 By Eleanora I. Robbins and Robert E. Weems...characteristics of Mesozoic basalts, Culpeper basin, Virginia lOS By Richard P. Tollo Reinterpretation of the...Mesozoic intrusive rocks in the Culpeper basin, Virginia and Maryland 151 By Albert J. Froelich and David...early Mesozoic diabase sheets, Culpeper basin, Virginia 16S By Paul C. Ragland and Jonathan D. Arthur |  | | Journal (volume) | | of euhedral schulenbergite at the Penberthy Croft Mine, Cornwall John Betterton and Ian E. Grey 34–35...Mike S. Rumsey 35–38 Segnitite from Weardale, County Durham Brian Young and Adam Pacey 39–42 Exhalative...south-west of the Emerald Isle, to Ballybunnion, in County Kerry, from where Mike Rumsey describes the first...supergene zone of the Slitt Vein, at Heights Pasture Mine, Weardale, an area not normally associated with...to join the committee of the History of Geology Group and he became a Vice Chairman in 2012, serving until |  | | Journal (issue) | | Number Three Articles The Tonopah-Belmont mine, Maricopa County, A rizona by G. B. Allen & W. Hunt 139...........221 COVER: ANGLESITE from the Touissit mine, Morocco. The large crystal measures 4.5 cm. This...Chichibu mine” (by Kuniaki Kato and Hidemichi Hori), “ Collecting report: Hikagezawa gold mine, Shizuoka...Avenue Sun City, Arizona 85351 he Tonopah-Belmont mine is a micromounter’s paradise. An un common suite...sulfates, molybdates and chromates can be found at the mine. The abundance of species makes it an ideal introduction |  | | Journal (article/letter/editorial) | | Aurichalcite from Big Cottonwood Canvon. Salt La,ke County,Utlh (Ledoux),.... 130 Avenhrrine labradorite from...meteorites. 25 Crystal form of spencerite,The (Walker) . .. 142 Crystallographic constants of epidote...145 erals... Griffithite. a member of the chlorite' group (Larsen and 54 Steiser) Guide-to the mineral......21,23 Mirabilite from the Isle Royale Copper Mine, Eoughton, Mich. (Peck). 62 Missouri, calcite, 96;...F. Apatites...... Zircon-bearing pegmatites in Virginia (Watson). Errata in Volume 2, aeePage ii. 69 |  | | Journal (issue) | | with a large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives...FRONT COVER: Native copper crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country....Chaput’s The Cliff; America's First Great Copper Mine (1971). For an earlier treatment, readers may enjoy...a drawing done in 1819. 7 Figure 3. The Cliff mine in the 1850’s. to tell his macabre tale at home...government officials was how to distribute the rights to mine copper. It was eventually decided to grant leases |  | | Journal (issue) | | Environmental Sciences, University of Virginia Charlottesville, Virginia CONSULTING EDITORS Richard D. Dayvault...Dietrich COVER STORY : Fairfieldite from the Foote mine in Kin!!$ Mountain, North Carolina. Now part of...Foote Mineral Company spodumene mine at Kings Mountain , Cleveland County, North Carolina consisted of six...28012 GENERAL DESCRIPTION The geology of the Foote Mine was described by Kesler ( 196 1). It is part of...time, interfering with mine operations and conflicting with established mine regulations. The result |  | | Journal (issue) | | Mineral Localities: The Soudan mine, Vermilion Range, St. Louis County, Minnesota ......................Wallace Famous Mineral Localities: The Old Gunnislake mine, Callington District, Cornwall, England ..........inclusions, 4.5 cm, from the Soudan mine, Vermilion Range, St. Louis County, Minnesota. Don and Gloria Olson...FineMineral.com AQUAMARINE ON MUSCOVITE Chumuru Mine, Nagar, Hunza Valley, Gilgit District, Northern...$327/three years, (Canada) $180/one year, (outside USA other than Canada) $259 per year Subscription (individuals |  | | Book (edition) | | from the Principal Localities in the Middlesex County Region in Connecticut Unclassified Material Page...APPENDIX B Maps of the Interior of the Roxbury Iron Mine, Mine Hill, Roxbury, Connecticut . . . Maps and Directions...Directions to the Mineral Localities in the Middlesex County Region in Connecticut .... Additional Locality...Foster Iron Mine................... Economic Geology: Description of the Tilly Foster Mine..............Tilly Foster Mine -1972 ........................ Brief Summary of the Tilly Foster Mine . . The Branchville |  | | Book (volume) | | attempt has been made to collect, summarize and group these contributions under mineral headings, and...exceptions, the treatment of each mineral or mineral group is in five sub-sections. In the Structure section...1961 CONTENTS Vol. 3 Sheet Silicates MICA GROUP.1 Muscovite ......... 11 Paragonite ..........115 TALC.121 CHLORITE.131 SEPTECHLORITE.164 SERPENTINE.170 CLAY MINERALS.191 Kaolinite group (kandites).... . . . . .194 Elite.213 Montmorillonite group (smectites) ..... 226 Vermiculite ......... |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...razil, Paradise o f Gem stones T he T ourm aline Group D ietrick’s m o d ern classic on tourm aline, an...the existence of an operation called the Hochfeld mine in 1537, and reference is also made to copper mines...along the Salzach. One mine in the Untersulzbachtal, called the Phillip and Jakob mine, produced a small amount...the ore zone was obscured and lost. The Brenntal mine was abandoned and forgot ten until 1710, when it |  | | Journal (article/letter/editorial) | | of the Gutkovaite subgroup of the Labuntsovite group Named after Aleksey Sergeyevich Sakharov (1910–1996)...of the Chinle Formation, Temple Mountain, Emery County, Utah, U.S.A. Cooper, M.A. et al. (2003): Can....of Skeleton Mountain, along Lake Greeson, Pike County, Arkansas, U.S.A. Roberts, A.C. et al. (2003):...symmetry. Found coating miargyrite at the San Genaro mine, Huancavelica Department, Peru. Effenberger, H....Triassic age in the Temple Mountain region, Emery County, Utah. Schindler, M. et al. (2003): Can. Mineral |  | | Report (issue) | | COVER PHOTO : Gold nugget from Dukes Creek, White County, weight 5 oz., 12 dwt., approx. 2x. BACK COVER...approx. 1.5x. Lower left - Goethite from Pulaski County, approx. lx. Right - Magnetite crystal face showing...................................... 111 Garnet Group .................................................................................... 118 Axinite Group ......................................................................... 119 iii Page Axinite Group ............................................... |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...refractive index are more useful. Among single group gem the is fact that they fizz in chrosite ...types, but by far the richest source is the igneous group. IGNEOUS ROCKS This type of rock is formed by...Maine, New Hampshire, Connecticut, New Jersey, Virginia, and North Carolina. In the West, the Rockies...minerals. He will pick over stream beds, gravel pits, mine dumps, road cuts, and quarries. Some gems may also |  | | Report (volume) | | KING, ELISABETH S. LOUD, MILDRED CHALLMAN MEAD, VIRGINIA M. JUSSEN and GEORGIANNA D. CONANT PART 2. INDEX...P., 15. California, Barstow quadrangle: Trenton group, Ordovician: Bowen, O. E., Jr. , 5. Clark, T. H...4. also Limestone; Dolomite; Western, Claiborne group: Miss. Phosphate. Geol. Soc., 2. California: Calif...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 |  | | Journal (article/letter/editorial) | | specimens found by the late Arthur Kingsbury (I9O6-68). County references are to the old boundaries, throughout...to varieties or (as with tourmaline) making them group names covering several species. Spencer also estimated...and arsenides near the south shaft at South Terras mine, St. Stephen-in-Brannell, Cornwall. R. J. Davis...baryte, with tennantite in limestone, at Gortdrum mine, Oola, Co. Tipperary, Ireland. BM(NH) specimens...ochreous, at West Turf Pits mine, Grassington Moor, Yorkshire. Also, at Treore mine, St. Teath, Cornwall. A |  | | Journal (article/letter/editorial) | | not impor tant specimen producers: Newgate copper mine, which was used for a prison; the Allyndale quarry...believed that it may have come from the Tollgate mine or elsewhere in the Middletown area. D a n a (Palache...bismuth mine, but efforts to trace it to that locality have failed; it has been found at O l d Mine Park...is the author o f History and Minerals of O l d Mine Park (Saganawamps) (1985). A chemist, he was chairman...in schist: dravite. B o o t h ' s b i s m u t h mine, Monroe, B a r n H i l l near junction with Route |  | | Book | | milky quartz stems. Denny Mountain area of King County. Specimen from the collection of Cary A. Maykut...DESCRIPTIONS 21 ABBREVIATIONS 24 GLOSSARY 25 COUNTY INDEX OF MINERAL OCCURRENCES 29 MINERAL DESCRIPTIONS...(using a code explained on page 21) and a county by county list mentioning the nature of their occurrence...Parks and Monuments prohibit all collecting. state, county and city parks usually prohibit collecting. Please...sphenc, ilmenite, anatase, tourmaline, zircon, chlorite, magnetite, pyrite, chalcopyrite,allanite Rarely: |  | Harvey, Jason, Savov, Ivan P., Agostini, Samuele, Cliff, Robert A., Walshaw, Richard (2014) Si-metasomatism in serpentinized peridotite: The effects of talc-alteration on strontium and boron isotopes in abyssal serpentinites from Hole 1268a, ODP Leg 209. Geochimica et Cosmochimica Acta, 126. 30-48 doi:10.1016/j.gca.2013.10.035 | Journal (article/letter/editorial) | | 18R3 87-93 and 19R2 104-110) were found to be chlorite-bearing. In addition to the textural evidence...serpentinite 1.4 talc-altered serpentinite talc-chlorite serpentinite 1.2 microgabbro / gabbronorite...opx serpentine after opx talc vein endmember chlorite serpentine vein talc after opx endmember talc...serpentine after olivine talc after olivine chlorite talc after olivine* MgO/SiO2 1.0 0.8 0.6 0...lithologies of Paulick et al. (2006). Talc- (±chlorite-) altered serpentinites are labelled according |  | | Report (volume) | | Clay County. Macon County. Jackson County. Transylvania County. Swain County. Haywood County. Buncombe...Buncombe County . Madison County. Yancey County. Mitchell County . Watauga County . Wilkes County. Ashe County...County . Alleghany County . Physiography and ecology of the peridotites. 28 28 29 32 34 35 36 38 42 46...mag¬ nesian rocks. Shooting Creek region, Clay County, North Carolina. Elf dunite. Elf amphibole-peridotite...Dunite at the Bad Creek mine. Dunite of the Asbestos mine. Dunite of the Sapphire mine. Vicinity of Glenville |  | | Journal (issue) | | ..... 13 by R. B. Gibbs The Stephenson-Bennett mine ..................................................Foord Fluorite from the Pine Canyon deposit, Grant County, New Mexico .....................................Hanson Ilmenite expitaxial on bixbyite from Sierra County, New Mexico .....................................COVER: FLUORITE from the Pine Canyon deposit, Grant County, New Mexico. (See the article on page 47.) The...from a single locality: smithsonite from the Kelly mine. Probably ever since the 1860’s, when “Old Hutch” |  | | Journal (article/letter/editorial) | | Searchlightdistrictliesin the southernpart of Clark County,Nevada, 55 milessouthof Las Vegas. Callaghan(3)...orthoclase. Augite has altered to hornblendeand chlorite. Relict sub- hedralor anhedralaugiteoccursin...monomineralic fractions. Thesewere analyzedas a group. Purity countswere made,however, of eachsampleand...greatestconcentration in the augite,hornblende and chlorite group,(20-69 ppm). In all but onecase,thosesamples...muchlessabundant in theaugite-hornblendechlorite group. 4. V is concentrated in the magnetite,and Cr occursin |  | Khrushcheva, Maria O., Dutova, Ekaterina M., Tishin, Platon A., Arkhipov, Alexander L., Nikitenkov, Alexei N., Chernyshov, Alexei I. (2021) Taloe—Sedimentation in an Intermittent Lake (Russian Federation, Republic of Khakassia) Minerals, 11 (5) 522 doi:10.3390/min11050522 | Journal (article/letter/editorial) | | USGS Water Resources Mission Area, Reston, Virginia, USA)) [34,35], simulates thermodynamic processes...minerals are represented by minerals of the chlorite group, illite, and mixed-layer formations (MLF) of...sediments (according to X-ray diffractometry), %. Group of Minerals Mineral Oxides Quartz Hematite Sulfides...37 <1 Pyrite FeS2 <1 <1 <1 <1 <1 <1 Chlorite group (Mg, Fe, Al, Cr, Ni, Mn)3 (Si, Al)4 O10 (OH)2...Borzenko S. V. [51]. The mineral of the zeolitic group is represented by analcime. It is determined by |  | | Journal (article/letter/editorial) | | districts, TL~nsvaal. Named from the Amosa asbestos mine, this word being formed of the initial letters of...agglegates in a mixed fiiable ore from the Mammoth mine, Tintic district, Uhdl. This tbrmula is deduced...(C. U. Shepard, 1856) [ = plumbogummite] for the group-name of the isomorpbous sel~es of minerals with...60, 78 (Carbonatapatit). A member of the apatite group with the co,,,p~sitio,~ 3C~P208 . CaCO s. The same...Collbran and his son A. H. Collbran, of the Saan mine. Cornetite. H. I~uttgenbach, 1916. Lea Mindraux |
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