 | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | LITHOLOGY •o MAGMA TYPE Ash-flow,tuffaceousmaterial (. v .) ^ ^ • ^^ o ^ ^ Predominantly (strongly) ,• ^•^...quartzite quartzite (:::)lenses and occasional Intrusive Level RooibergFragment i::::i ShaleBuff (:::)...top;minor 8 v".•. discontinuous sedimentary rocks(:") u. O v v andpyroclastic flows(. v .) v v n- ,.....,nq-v=: Quartzite (: ' :) andpyroclastic flows(, v ,) • O O Large, disc-shaped amygdales (O) •n-...:)and O•• >,•,-•', pyroclastic flows (,v,) o .• .• > > Intrusive Level BothasbergPlateau & Tauteshoogte |  | | 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 |  | | 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 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 ...................................... |  | Snyder, George L., Hausel, W. Dan, Klein, Terry L., Houston, Robert S., Graff, Paul J. (1989) Precambrian Rocks and Mineralization, Southern Wyoming Province - Hartville Uplift to Copper Mountain Area, Wyoming July 19-25, 1989. Field Trip Guidebook T332. American Geophysical Union | Report (issue) | | )LYSITE :: ... CA .. • ' 106 0 • "::. "V"7 - I 9 , , 7" , I I 90 ... '1 I Q:'...basement, metasedimentary and ultramafic meta-intrusive rocks, plus Proterozoic intrusives of the Laramie...basement, metasedimentary and ultramafic meta-intrusive rocks, plus Proterozoic intrusives of the Laramie...basement, metasedimentary and ultramafic meta-intrusive rocks, plus Proterozoic intrusives of the Laramie...carbonate. After deposition of the Whalen Group, intrusive episodes alternated with metamorphic episodes |  | | Book | | Fe, October 3-7, 1977 New Mexico ( J ■•A- V\ f I ' , A. DIAMONDIFEROUS SOUTHERN KIMBERLITE...discounted as being kimberlite (Foote, 1889; Lake, 1890). Subsequently, others studied the source...(1889). Rec. Geol. Surv. Ind., Lake, P. (1890). Rec. Geol. Surv. Ind., V. 23. Mathur, S.M. and Singa, H...Mehr, S. (1953T7 Quat. Jour. Min. Met. Soc . Ind., V. Picamuthu, C.S. and Rao, R. (1932). Proc. Ind. Sci...Conference, Cape Town, 23. Basu, A. R. and Murthy, V. R.(1977) EPSL, 35, 239. Erlank, A. J. and Shimizu |  | | 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 (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 |  | | Report (volume) | | Clearance Center, 27 Congress Street, Salem, MA 01970, USA: the item-fee code for this publication is 03058719/04/$15...Oxford, UK Distributors USA AAPG Bookstore PO Box 979 Tulsa OK 74101-0979 USA Orders: Tel. +1 918 584-2555...R. C., BELLON, H., 289 POLVE, M., MAGLAMBAYAN, V. B., QUERUBIN, C. L. & GOTTEN, J. Geology of the Zamboanga...of the overlying Hutuo 'Group' and that of the intrusive, essentially post-tectonic Dawaliang Granite....the regional foliation. The rock may have been intrusive. It preserves a microporphyritic igneous texture |
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