 | | Report (issue) | | GEOLOGICAL SURVEY Fission-track geochronology of the Arkansas alkaline province By G. Nelson Eby Prepared................. 4 Granite Mountain and Saline County syenites......................... 4 Potash Sulphur...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...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 |  | | 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 \ |  | | 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 |  | | 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 |  | Duke, Genet Ide, Carlson, Richard W., Frost, Carol D., Hearn, B.C., Eby, G. Nelson (2014) Continent-scale linearity of kimberlite–carbonatite magmatism, mid-continent North America. Earth and Planetary Science Letters, 403. 1-14 doi:10.1016/j.epsl.2014.06.023 | Journal (article/letter/editorial) | | Frost c , B.C. Hearn Jr. d , G. Nelson Eby e a Arkansas Tech University, United States Department of Terrestrial...Sr–Nd–Hf–Pb isotope geochemistry mantle reservoirs Arkansas a b s t r a c t Cretaceous–Tertiary kimberlite–carbonatite...1998). In this paper, new isotopic data from the Arkansas alkalic province demonstrate the similarity of...trend, KK refers to Kansas kimberlites, AAP is Arkansas alkalic province, MU is the Monroe uplift (LA:...magmatism, geochemistry, and regional geology. The Arkansas province includes a variety of alkalic igneous |  | | 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 |  | | 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 |  | 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 |  | | 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 |  | | 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 | | 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 | | 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 ...................................... |  | | Report (chapter) | | Brathwaite et al. 2004) in Nelson (Fig. 3) are in intrusive contact with Western Province sediments, again...MTZ overlaped the Western Province at 137 Ma. Intrusive relationships between Carboniferous to Cretaceous...tectonism (Fig. 2). The Deceit Granite is in intrusive contact with the Carboniferous Knob Granite (c...Gondwana margin assemblage, with major U - P b zircon peaks at 500-600 Ma (Ross-Delamerian orogen) and...margin zircon assemblage (Jongens et al. 2003); (iv) syn- to post-arc conglomerates; (v) intrusive sedimentary |  | | 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...on the basis of precise, high-resolution, single-zircon geochronology, and suggest that the Precambrian...Pokfulam Road, Hong Kong, China Abstract: SHRIMP U-Pb zircon analyses from eight samples of metamorphosed intermediate |  | | Journal (article/letter/editorial) | | the lava’s interior by master-joint systems. Intrusive phenomena developed at both the base and the top...of the four intrusive centres that comprise the Skye Central Complex – the Cuillin Intrusive Centre – together...Non-floodbasalt volcanism examples from the western USA are: Arizona (Hamblin 1969, 1994; Holm & Cloud 1990;...which has a compositional link to the Cuillin Intrusive Centre (see below), were sourced from the SE to... the pre-Palaeogene rocks and coarse-grained intrusive suites (cf. the Minginish Conglomerate Formation |  | | Report (chapter) | | Geological Society, London, Special Publications 2004, v.226; p73-100. doi: 10.1144/GSL.SP.2004.226.01.05 ...to evaluate the relative contribution of juvenile v. recycled crust in the orogenic belts. Using the Nd-Sr...These rocks have been dated at 250 to 200 Ma using zircon U Pb and Rb-Sr chronometry (Vladimirov et al. 1997...alkalinity in granitoids with the decrease of intrusive ages is not as clearly documented as in Transbaikalia...( T ) V. intrusive ages; (2) e N d ( T ) V. depletedmantle-based model age TDM; and (3) eNd(T) v. initial |  | | 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 |  | Naranjo, Andrés, Horner, Johannes, Jahoda, Rudolf, Diamond, Larryn W., Castro, Adriana, Uribe, Aura, Perez, Carolina, Paz, Hermel, Mejia, Carlos, Weil, Jonas (2018) La Colosa Au Porphyry Deposit, Colombia: Mineralization Styles, Structural Controls, and Age Constraints. Economic Geology, 113 (3) 553-578 doi:10.5382/econgeo.2018.4562 | Journal (article/letter/editorial) | | along regional faults favored emplacement of intrusive centers in dilational pull-apart zones, including...terms of the CC-BY-NC license. Economic Geology, v. 113, no. 3, pp. 553–578 ISSN 0361-0128; doi: 10...the Cajamarca Complex as well as in the younger intrusive stocks of the La Colosa area. N-striking faults...Rocks at La Colosa The La Colosa site contains an intrusive complex with two magmatic centers known as the...structures. Black schist Greenschist Hornfels Intrusive rocks Western terranes Fault Palesna fault system |  | | Report (chapter) | | ranging from 28 to 220 and ISr from 0.7053 to 0.710. Zircon sensitive high-resolution ion microprobe dating...sensitive highresolution ion microprobe (SHRIMP) zircon U –Pb ages of 132 + 2 Ma and 129 + 2.6 Ma for a...are consistent with the age data (130 – 140 Ma, zircon U – Pb) reported for these monzonitic rocks by...were dated in the range 145–125 Ma using SHRIMP zircon U –Pb methods (Yang et al. 2004), although a few...Hacker et al. (1998) reported a large dataset of zircon U –Pb ages (SHRIMP method) for these rocks, which |  | | 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 |  | | Journal (article/letter/editorial) | | molybdenum deposit. The stocks are grouped into three intrusive centers, and the mineral assemblages, including...into two suites on the basis of position: above intrusive centers and on the flanks of the Seriate center...suites of assemblages. The suite formed above intrusive centers was deposited by more saline fluids (salinity...temperatures, the suite of assemblages that formed above intrusive centers formed at higher fS2, fO2, and aK+/aNa+...of metals from proximal to distal around any intrusive center generally—but not always—corresponds to |  | | 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 |  | | Report (issue) | | D R o V I c E Asaphusserien (3b-3c) 3bE 3bb 3 3b 3bj o 3b~ R D 3ba I o M V I u 3ca...siidlichen Norwegens. Naturvid., 9, pp. 1-141, pl. I-V. Christiania. Monsen, A., 1937: Die Graptolithenfauna...:::::::•:•:•::·:·.~ V •• • l + .v.vV :::.V • • • • • • • •··:·••·.:.:V lf ·• v " l V '\1 + +••••...It V V \ \ \ / /~ \ / V V \ \lv 11 \ .:::: l. • • l \ \ KVARTSIT . QUARTZITE V V V;l ;...; V / V l o so 100 KM V V V IAMFIBOLIT VAMPHIBOLITE l+ + IGRANI T ±GRAN/TE ~GNEIS ~GNE |
|
