 | | Report (issue) | | GEOLOGICAL SURVEY Fission-track geochronology of the Arkansas alkaline province By G. Nelson Eby Prepared...Mountain and Saline County syenites......................... 4 Potash Sulphur Springs complex......................................... 7 V-intrusive complex.............................................. - Locations of the various intrusive and dike complexes of the Arkansas alkaline province.............age determinations.......... 5 ABSTRACT The Arkansas alkaline province consists of a series of small |  | | Journal (article/letter/editorial) | | during the past twenty years than the --------Arkansas Magnet Cove locality. - - - - - - - - Minerals...Springs Vanadium Mines POTASH SULPHUR SPRINGS, ARKANSAS J. MICHAEL HOWARD Arkansas Geological Commission 3815...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...Don Owens collection 154 ROCKS & MINERALS Sulphur Springs was taken by William H. Lewis in 1844. |  | | 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...u L£Z.i I OAUAJ OUACHITA S CAI.MOW* (QAAOIC V. lCI 1 s I H C-ohaoCI--------------- J—, I rniuifl... l 5 I •*OOOAUC» /4<*.K«C«] AOl« -4 I T V Sf 84ir.4«] vs*l*fl ^ l C«*IC«U0 l*0t»0«0t*0...s to*c I jQ*<*ZO * r«4M«(.|M^ \ r l w-|U|i V 0«(* 1 I 0«HA r S H X askcct jchicotV I \ |  | | Journal (article/letter/editorial) | | crystals, Arkansas also boasts an array of other minerals, as evidenced by this county-by-county description...continued with mining in north ern and western Arkansas and Magnet Cove during the Civil War, and peaked...in full swing and the demand for and price of Arkansas quartz crystals has skyrocketed. In October 1987...exploited. Continued interest in and study of Arkansas minerals, par ticularly the microminerals, will...for their good companionship during my years of Arkansas collecting. Particular thanks goes to these hardcore |  | | Report (issue) | | Rocks and Kimberlites (1985 : Fayetteville, Ark.) V. Series: Special paper (Geological Society of America);...John W. Shervais, Lawrence A. Taylor, and J. C. Laul v . 101 VI Contents A Sr, Nd, and Pb isotope study...Pamali Breccia, southeast Kalimantan, Indonesia: Intrusive kimberlite breccia or sedimentary conglomerate...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 |  | | Report (issue) | | INTERIOR THOMAS S. KLEPPE, Secretary GEOLOGICAL SURVEY V. E. McKelvey, Director First printing 1976 Second...lithium pegmatites: Varutrask, Bikita, and Bernic Lake, by E. Wm. Heinrich, University of Michigan, Ann...Utah, Salt Lake City, Utah, and Carol A. Petersen, Utah Geological and Mineral Survey, Salt Lake City, U...of lithium from seawater, by Meyer Steinberg and V. D. Dang, Brookhaven National Laboratory, Upton, N...Origin of lithium and other components in the Searles Lake evaporites, California, by George I. Smith, U.S |  | | Book | | some of them, including Nb, the rare earths, Cu, V, phosphate, vermiculite, bauxite, rav., materials...of the occurrence, although often in central intrusive complexes in particular little is known of their...improve helped with useful i n formation on the V la co Province ments suggested by my colleague D.R...pruce Lake 6 Easter Island dyke 7 Blachford Lake 8 Thomas Lake 9 H e n n i nga Lake 10 Kaminak Lake '1 1...1 La t Lake 12 Atlin 13 Atsutla Range 14 Mount Edziza 15 Galore Creek 16 Lonnie 17 Goosly Lake A 11a/1i111 |  | | Report (issue) | | CARBONATITES AND ASSOCIATED IGNEOUS ROCKS, BENTON, ARKANSAS by Marta J.K. Flohr 1 and J. Michael Howard...Geology Center 3815 West Roosevelt Road Little Rock, Arkansas 72204 1994 CONTENTS PAGE Introduction ......Table 1. Geochemical data of drill core, Benton, Arkansas ..................... 8 Table 2. Partial geochemical...geochemical analyses of drill core, Benton, Arkansas ............ 20 Introduction Representative samples...six drill cores that were drilled near Benton, Arkansas by Molycorp, Inc. and Alpha Minerals Co. as part |  | | Journal (article/letter/editorial) | | intruded by a granodiorite and quartz monzonite intrusive complex of Early Devonian age (Ambler et al. 1977)...1977) on the southern side of the orebody. The intrusive complex hosts copper porphyry and vein type mineralisation... mete-conglomerate V mete-siltstone, slate ORDOVICIAN Angullong Tuff +7 + v ~ ~ meta-andesitic...pyroclastics & levas V Malongulli Fm. meta-siltstone, meta-andesite V V Intrusive rocks ~ Z - ~ diorit...diorit e ~ ~ monzonite ~ ange V V 15~'E I Fig. 1. Geological map and location of mineralisation, Cadia |  | | Report (issue) | | of the Alkalic Igneous Complex at Magnet Cove, Arkansas GEOLOGICAL SURVEY Prepared in cooperation with...Igneous Complex at Magnet Cove, Arkansas By R. L. ERICKSON and L. V. BLADE GEOLOGICAL SURVEY PROFESSIONAL...Cove, Arkansas, by R. L. Erickson and L. V. Blade. Washington, U.S. Govt. Print. Off., 1963. v, 95 p...Magnet Cove, Arkansas, 1963. (Card 2) 1. Geochemistry Arkansas Magnet Cove. 2. Petrology Arkansas Magnet Cove...Title: The alkalic igneous complex at Magnet Cove, Arkansas. (Series) For sale by the Superintendent of Documents |  | Kinahan, G. H., Nolan, J., Leonard, H., Cruise, R. J. (1878) Explanatory memoir to accompany Sheets 93 and 94, with the adjoining portions of Sheets 83, 84, and 103. Memoirs of the Geological Survey. Geological Survey of Ireland | Report (issue) | | F •. o.s. DISTRICT SURVEYOR: G. II. l{INAHAN, ,v. M.n.1.A., &c. GEOLOGISTS : H. B,.i\.lLY,P.o.s...R.l.A.; ,v. A. rrRAILI,, B.A. ; F. W. EGAN, 13.A,; E.T. HARDMAN, F.c.s.; J. R. KILROb!; ,v. F. MI'fCHEl...wl1ether or not red Ca.1nb1--ian l"Ocks lie belo,v them cannot be kno,vn. ANDREW C. RAMSAY, Di1'ecto1'-Gene1·al...This n1·ea co11tains tl1e N. W. portion of the county Gal,vay, inclucli11g the ,vholc of· tl1e baro11y...the thirteenth ccntur.}·• TJ1e portion oi tl1e county Galway that lies west of Loughs bfask and Corrib |  | | Book (volume) | | Gulf Oil Exploration and Production Company Paul V. Hoovler Kennecott Minerals Company Kerr McGee Corporation... . . . . . . . . . . . . . . . . . . . . . . . . v Foreword . . . . . . . . . . . . . . . . . . . ....volumes published by the Geological Survey of Canada v Foreword The goal of The Geology of North America...North Carolina, Alabama, Mississippi, northern Arkansas and Louisiana. He first crossed the Mississippi... in the states of Louisiana, Mississippi, and Arkansas. The physiographic and bathymetric provinces of |  | | Book (volume) | | Raber and S. E. Haggerty 229 K, Rb ANDBa IN [v•ICAS FROM KINBERLITE AI•DPEHIDOTITICXENOLITHS, AND...AND IF•PLICATIONS FOR ORIGIN OF BASALTIC ROCKS J. V. Smith, R. L. Hervig, D. Ackermanm, and 0. B. Dawson...PHREATO•V•AGF•TICORIGIN OF THE OLIVINE MELIL1TITE DIATREMES OF THE SWABIAN 354 &LB, GERMANY V. Lorenz... RELATIONSHIP OF 2HE œ•URFREESBORO KI•E•LITE ARKANSAS,U.S.A. AUTHORINDEX K. F. Steele 382 AND OTHER...South South The diatreme diatreme is is intrusive intrusive into the the banded into The Group, Group |  | | Book | | granites must be classed as igneous because their intrusive relations prove that they were once permeated...concept, volcanic rocks and the closely related intrusive rocks forming sills, dikes, ring dikes, cone sheets...most of them are thought, by holders of this vie^v, to have been derived from a primary granitic magma...Hybrid rocks, particularly volcanic and shallow intrusive rocks, may also be produced by mixing of partly...pre¬ existing minerals are \eined or replaced by ne^v ones. Such altera- lO IGNEOUS ROCKS tions are |  | | Report (issue) | | Kauffman Bi 11 C. Rember Donna J. Shive1er BAS I N E V A L UA T ION E X P LOR A T ION AND PROD U C T ION...lithologies, 2. Mesozoic granodiorite-to-diorite intrusive bodies, and 3. Mesozoic schists and gneisses....Mountain-Cuddy Mountain-Sturgill Peak uplands. Mesozoic intrusive rocks dominate in the east. The Salmon River Mountains...margin of the Idaho -bathol ith. Small Mesozoic intrusive bodies -have scattered outcrops westward from...Vallier, 1978, for further discussions). The intrusive rocks in the east which penetrated upward through |  | | Report (Issue volume) | | IV. South Australia. Dept. of Mines and Energy. V. Geological Survey of South Australia. (Series: Bulletin...South Lake Gabbro .....................................................................42 Lake Harris.........................................109 Lake Everard ..........................................Volcanics ...................................115 Intrusive dykes and plugs ................................rocks ..................................149 Intrusive suites ...................................... |  | | Report (issue) | | S.M., . ' ' • ·J. .. ' � VVV-./'VV�VVVV"V"V"\,/'\./v"\,1'>./,f� :PUBLISHED :BY ORDEB. OF THE LORDS...Survey. The six-inch sheets . .of the Ordnance County. Maps included in the area of Quarter-Sheet -108...Oe-• mentstone Choup. Fell· Sandstones - 11 CBAP?ER V. CHA.P'l!EB . . CABBONIPEROU8 • • Roott 'e. ....·� - =-�}�/��:· :.7��:�� �-: �-� • .• ..�. ' . ' v.- · ,. < . . · •: ', . .. . ' . . . ....darter . Fell basalt be con temporaneous or intrusive. If . i� . l>e taken as . conte�p.oraneous there |  | | Book | | assistance of my colleagues Dr. D. C. Almond, Mr. S. V. Bell, Professor L. Berry, Dr. I. M. Boushi, Dr. A...Group 36 (iii) Basic intrusive rocks 36 (iv) Awat ‘Series’ or Group 36 (v) Injection granite and...46 47 (a) THE CONTINUATION OF THE ERDI—ENNEDI (v) Sequence proposed by Ruxton (1956) 17 (vi) Basal...OF DONGOLA ETHIOPIAN MARCHES (q) (3) C Member (v) Dungunab Formation (post-Middle Miocene) 101 SOUTHERN...CHERT FORMATION (f) JEBEL MARRA VOLCANIC COMPLEX (v) Regional description: Jebel Uweinat(vi) Regional | | | Book | | assistance of my colleagues Dr. D. C. Almond, Mr. S. V. Bell, Professor L. Berry, Dr. I. M. Boushi, Dr. A...Nafirdeib ‘Series’ or Group FEATURES (iii) Basic intrusive rocks (iv) Awat ‘Series’ or Group 2. CLIMATE...GEOLOGICAL JUBAL EL BAHR EL AHMER, MO- SEQUENCE (v) Injection granite and red granite (vi) Acid and basic...Beila and Ban Balos granites (iv) Newer intrusions (v) Sequence proposed by Ruxton (1956) (vi) Basal schists...60 62 CONTENTS Vili (iv) Thickness variations (v) Regional description: Jebel Uweinat— 64 (vi) Regional |  | | Book | | Jonathan Turner (UK) Society Books Advisors Mike Brown (USA) Eric Buffetaut (France) Reto Gieré (Germany) Jon...AIDC, 82 Winter Sport Lane, Williston, VT 05495, USA Online bookshop: www.geolsoc.org.uk/bookshop Orders:...AAPG Bookstore, PO Box 979, Tulsa, OK 74101-0979, USA Orders: Tel +1 918-584-2555 © The Geological Society...Clearance Center, 27 Congress Street, Salem, MA 01970, USA. Email bookstore@aapg.org Website http://bookstore...Nigel H. Woodcock and N. Jack Soper 7. Caledonian intrusive rocks of northern England and the Midlands 8 |
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