 | | Journal (article/letter/editorial) | | during the past twenty years than the --------Arkansas Magnet Cove locality. - - - - - - - - Minerals...Vanadium Mines POTASH SULPHUR SPRINGS, ARKANSAS J. MICHAEL HOWARD Arkansas Geological Commission 3815 West...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...range, tennis court, horse stable, and artificial lake with a boat dock for fishing and boat rental. The |  | | 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 |  | | 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 \ |  | 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 |  | | 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 (volume) | | decided to set up a Subcom1nission on Precambrian V • PREFACE Vl Stratigraphy operating as one of...Adelaide, S.A. September, 1967 CONTENTS PAGE PREFACE V THE PRECAl\IBRIAN OF JNDIA by C. S. Picl1an1uthL1...JUTOG~ ,y SI Mt..A••CH AIL r / \. f f\ • G A V HAll 24• I r 0 2-4 M A l CHO T.~ S I NGH8HU...MA D RA S J> -z.. t -N- I (JI 0 200 l 1' I V A N O P.UM CEYLON FrG. ] . Principal physiographic...He chose the name " Dharwar" from the district (no,v- in 1\1:ysore State) in which he first recognized |
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V intrusive, Lake Catherine, Garland County, Arkansas, USA