 | | Report (issue) | | of the Twin Knobs ttl lamproite, Pike County, Arkansas . 205 Michael A. Waldman, Tom E. McCandless, and...and Hugo T. Dummett The Cretaceous Arkansas alkalic province; A summary of petrology and geochemistry...County, Arkansas Robert E. Zartman and J. Michael Howard . 235 Isotopic relationships in Arkansas Cretaceous...Martin Frost Bibliochrony of igneous rocks of Arkansas with particular emphasis on diamonds . 249 A.J...Section meeting, April 15-16, 1985, in Fayetteville, Arkansas. This two-day symposium included a total of 55 |  | | Journal (issue) | | Newsletter $3.00 The Rock Dam Gold Prospect A New Quartz Locality, Dickinson Co., Mich~g_an Shawn M. Carlson...themselves are thoroughly unglamorous, yielding neither quartz crystals nor any noteworthy accessory minerals...prospects, Bayley (1904) states that, "some of these quartz veins contain small quantities of free gold, as...clippings from 188 I wax skeptical, saying that, " ... quartz has been found and samples assayed which panned...JohnA. Jaszczakphoto. October 12-18, 2007 Trip to Arkansas Art Smith artsmithite@msn.com Having a need to |  | | Journal (article/letter/editorial) | | painting by Stephen F. Greb. July/August: Pyrite, quartz, and galena, Camp Bird mine, Ouray, Colorado. Barbara...Jeffrey Scovil photo. November/December: Gold on quartz, Eagle's Nest mine, Placer County, California....Acanthite, 25 Actinolite, Colorado, 302 Aegirine, Arkansas, 181 Aguilarite, 27 Albite, Minas Gerais, 313...County, Kentucky, 254-58 Andorite, 27 Andradite, Arkansas, 182 Anglesite, Colorado, 106 Ansell, H. G., see...16-38 Benitoite, California, 379, 392-95 Biotite, Arkansas, 185 Blakeite, 367 Boleite,27 Bookplates, 108-11 |  | | Journal (article/letter/editorial) | | afalster@mainemineralmuseum.org Muzo-habit Quartz Zigras Mine, Garland County, Arkansas Q uartz, the best known of...anorthite, constitutes 39 percent of the crust. Quartz at 12 percent is tied with potassium feldspar (microcline...K-feldspar plus quartz), whereas oceans are underlain by basalts (plagioclase plus pyroxene), so quartz can be...considered a signature mineral of the continents! Quartz occurrences are so numerous that they cannot be...featured twice: rutile-included quartz (Cook 1996) and crystallized rose quartz (Clifford 2012). To support |  | | Journal (issue) | | clusters on crystals of amethyst and ..eisenk.iesel'¡ (quartz with intergrown, fine-grained hematite). The amethyst...transparent to translucent outer layer of colorless quartz a few millimeter thick. There was no matrix on...you never saw that! Stunning amethyst and unusual quartz specimens labeled "Brandberg" have been known at...Naturhistoriches Museum Vienna - amethyst scepters on white quartz stems on matrix. A "false" locality - that everybody...those on matrix or even just a few, perched on a quartz crystal, make astonishing specimens. The best MINERAL |  | | Journal (article/letter/editorial) | | (MaastrichtianâPaleocene), Hot Spring County, Arkansas, USA Martin A. Becker 1, *, Harry M. Maisch, IV 2...Paterson University, 300 Pompton Road, Wayne, NJ 07470, USA Doctoral Program in Earth and Environmental Science...Graduate Center, 365 Fifth Ave, New York, NY 10016, USA; hmaisch@gc.cuny.edu (H.M.M.); johnc@brooklyn.cuny...New York, 2900 Bedford Avenue, Brooklyn, NY 11210, USA Correspondence: beckerm2@wpunj.edu; Tel.: +1-973-7200-2721...(MaastrichtianâPaleocene) contact near Malvern, Arkansas preserves a K-Pg boundary assemblage of turtle |  | | Journal (issue) | | small black micro crystals of manganbabingtonite, quartz, calcite, datolite, and inesite (identity confirmed)...(8 cm) tall, and J5/g inches (4 cm) thick. The quartz from here can also be nice; I had one large clear...by a quantity of glistening '¡Herkimer diamonds" quartz crystals, in which she specializes. Most of them...France. Also, he had small trays holding small clear quartz crystals, one tray with pale green inclusions of...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 E-mail: lream@comtch.iea.com |  | | Journal (issue) | | Segnitite (Continued from page I) The ubiquitous quartz crystals at the Black Pine Mine are often coated...aesthetically challenged phases. One small lot of quartz specimens had a decidedly greenish-yellow skin...yellow-brown crust that coated only a handful of small quartz crystal groups. Tempted to dismiss it as just another...off a bed of crusty films over the faces of the quartz crystals. An initial analysis via Energy Dispersive...testing gold. Major areas covered include Southeast USA, California, Australia, Canada to Alaska, Britain |  | | Journal (issue) | | Mineral Collector's Newsletter $3.00 2008 Arkansas Aluminum Phosphates: Wavellite with Variscite... Introduction Wavellite has been collected in Arkansas since the middle of the 1800s. A drawing of a...included in Harvey ( 1886), Arkansas' first state mineralogy. Although way behind quartz with only sporadic commercial...commercially collectable mineral as specimens in Arkansas. Dug Hill in Garland County was the source of...host rock. Sulfide veins are found throughout a quartz-sericite schist, in the Virginia piedmont province |  | | Journal (volume) | | sprays are found as inclusions in clear or smoky quartz. Goethite (and hematite) are the major components...mm crystals, usually near decomposing sulfides. Quartz is abundant throughout the pit, either as isolated...smoky color), or as lining along small fractures. A quartz-rich zone of this kind is exposed in the upper...AUSTRALIA, GERMANY RUSSIA, NORWAY, ITALY, NEW ZEALAND, USA & MEXICO Write for free list. Dealer prices available...In addition, they have purchased several fine Arkansas collections giving them a supply of fine kidwellite |  | | Journal (issue) | | page 2 Fig. 1 Barrerite, 21/4 inches long, with quartz, Kuiu Island, Alaska, Gary McWilliams collection...not question that barrerite is found in the large quartz pockets that have been covered by seawater. I do...finger -stalactl!cs-of sparkly, milky white. dru~ quartz: many of the barrcrite specimen arc quite ac 1hc1i~...Another good Web Site This time, we take a look at Arkansas. I was checking out the links on the Mineral News-LR... Michael Howard i a geologist employed by the Arkansas Geological Commission. Darcy Howard i a scientific |  | Stoffell, B., Appold, M. S., Wilkinson, J. J., McClean, N. A., Jeffries, T. E. (2008) Geochemistry and Evolution of Mississippi Valley-Type Mineralizing Brines from the Tri-State and Northern Arkansas Districts Determined by LA-ICP-MS Microanalysis of Fluid Inclusions. Economic Geology, 103 (7) 1411-1435 doi:10.2113/gsecongeo.103.7.1411 | Journal (article/letter/editorial) | | Mineralizing Brines from the Tri-State and Northern Arkansas Districts Determined by LA-ICP-MS Microanalysis...United Kingdom Abstract The Tri-State and Northern Arkansas districts of the Ozark plateau, North America...microanalysis of individual fluid inclusions in quartz and sphalerite using 213-nm laser ablation-inductively...phases. Metal contents of the brines responsible for quartz and dolomite precipitation are low compared to... possibly rich in reduced sulfur. In northern Arkansas the compositional variations observed are best |  | | Report (issue) | | 652(8) Z=3 X-ray Powder Pattern: Magnet Cove, Arkansas, USA. 3.08 (95), 3.92 (38), 2.536 (28), 2.127 (23)...49.23 Total 99.98 100.00 (1) Magnet Cove, Arkansas, USA; corresponds to (Ba5.27 Sr0.73 )ÎŁ=6.00 Ca6.00...Occurrence: In a barite deposit (Magnet Cove, Arkansas, USA); in Alpine veins cutting a carbonatite (Bayan...China). Association: Barite, calcite, quartz (Magnet Cove, Arkansas, USA); calcite, alstonite, fluorite, sphalerite...sphalerite (Cave-in-Rock, Illinois, USA); huntite, barytocalcite, strontianite, pyrite, phlogopite, monazite |  | | Journal (issue) | | Collector's Notebook: Midstate Quarry, - Magnet Cove, Arkansas Collecting Trip - Fall 1998, Part 2 I Art Smith...rose with jarosite, Midstate Quarry, Magnet Cove, Arkansas, photo by Art Smith. fortunately. most cavities...had small groups of tiny jarosite, orthoclase, or quartz crystals implantea Continued on page ., Rock Trimmer...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 Email: lanny@mineralnews.com...bromeyerite, goelhite ps. marcasite, pyrite, and quartz, see the accompanying photos. They are developing |  | | Journal (article/letter/editorial) | | Mountain Syenite PULASKI AND SALINE COUNTIES, ARKANSAS Within the last few years, several new occurrences...HENRY L . BARWOOD Arkansas Mining and Mineral Resources Research Institute Arkansas Tech University Russellville...Russellville, Arkansas 72801 A C O M P L E X P L U T O N of medium- to coarse-grained, gray and brown...detailed description of the coarse- and fine-grained quartz syenite and miarolitic brown syenite dike rocks...director of the Arkansas Mining and Mineral Resources Research Institute in Russellville, Arkansas. He last |  | | Journal (article/letter/editorial) | | MICHAEL HOWARD Arkansas Geological Commission 3815 W. Roosevelt Road Little Rock, Arkansas 72204 Figure...the Magnet Cove area. Abundant brookite and smoky quartz were recovered here by many collectors prior to...the mid-1990s. lthough the Magnet Cove area of Arkansas was noted before 18.50 in the literature (Macrery...Magnet as both singles and matrix specimens. Cove, Arkansas. FollowVolume 74, MarchlApril1999 93 Downloaded...Spring County, covered by thin-to-thick regolith Arkansas (modified from Fryklund and Holbrook 1950; Erickson |  | | Report (issue) | | Pattern: Funderburk prospect, Pike County, Arkansas, USA. 8.326 (100), 2.979 (80), 2.784 (80), 2.660...99.99 (1) Funderburk prospect, Pike County, Arkansas, USA; average electron microprobe analysis supplemented...and fluorapatite-bearing sandstone. Association: Quartz, goethite, dickite, cinnabar. Distribution: From...~13 km north of Murfreesboro, Pike County, Arkansas, USA. Name: Honors Arthur Edward Smith (1935-2009)...expert on the mineral localities of Texas and Arkansas, who collected the holotype specimen. Type Material: |  | | Report (issue) | | X-ray Powder Pattern: Wilson Springs mine, Arkansas, USA. 16.3 (100), 15.3 (70), 7.64 (35), 2.893 (35)...17] [100.00] 100.00 (1) Fish Creek Range, Nevada, USA; original total given as 100.27%, corresponds to...00(V04h.lOo7.94H20. (2) Wilson Springs mine, Arkansas, USA; by electron microprobe, H20 by difference....Range, Nevada, USA). Association: Vashegyite, metaschoderite, bokite, duttonite, USA). from wavellite...wavellite (Fish Creek Range, Nevada, USA); metahewettite, minyulite, fervanite, metaschoderite, leucophosphite |  | | Journal (issue) | | the Midstate Quarry Magnet Cove,Hot SpringCounty,Arkansas Art Smith 9118 Concho Street Houston, Texas 77036...77036 In April, 1998, Clyde Hardin of Malvern, Arkansas sent me some specimens he had received in trade... 3 mm crystal on quartz, Midstate Quarry, Magnet Cove, Hot Spring County, Arkansas. 2 Mineral News...dispelled any doubts. The Wise Mine fluorite and quartz matrix specimens on display were more than 6 inches...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 ⢠E-mail: lream@comtch.iea |  | | Journal (issue) | | locality); Japan; Norway; South Africa; Sweden; England; USA: Arizona, Massachusetts, Michigan, Minnesota, Missouri...Trying to Identify Mercury Minerals from Texas and Arkansas Art Smith artsmithite@msn.com Since coming to...anthophyllite. There is irregularly shaped Iron D ⢠stained quartz grains sparsely scattered throughout th~ spec1m~n...Identifying Mercury Minerals (Continued from page I) The Arkansas mercury district is situated along the southern...secondary minerals or crystals apparent. However, in Arkansas the secondary minerals are scarce and not concentrated |  | | Journal (issue) | | $2.00 A Recently Identified Mineral from the Arkansas Antimony Mines Art Smith 9118 Concho Street Houston...return visit to severalof the Arkansas antimonymines in Sevier County,Arkansas (Smithand Staszak, 1996).This...hiddenon the wocxledeast side, we collectedvein quartz with some llow secondary antimony minerals. These...Continued on page 2 Fig. 1. Beudantite, Stewart Mine, Arkansas, drawing by Art Smith. Collecting with a Purpose...specifically identified When trimming down the milk.')'quartz vein material, I noticed some minute yellow to |  | | Journal (issue) | | From A Collector's Notebook: On to the Northeast, Arkansas Collecting-Fall 1999 Art Smith 9118 Concho Street...prospect near Lake Greeson and Mount Ida quartz ~ Our Arkansas collecting trip started early in October...new in the quartz world. Not much. Ken Manley was cleaning a batch of interesting quartz from Collier...Mill (formerly Midstate) Quarry, Magnet Cove, Arkansas, photo by Art Smith. brown specks of â˘'iron"...Lime Quarry, Batesville, Independence County, Arkansas, photo by Art Smith. I MINERAL NEWS Vol. 16 |  | | Catalog/List | | Kamareza Mine,Laurium,Greece.Dr HG Weller label. Quartz fragment carrying a scattering of rosettes of lustrous...Cornwall. Choice,very rich specimen. Ferruginous Quartz vein section smothered in gemmy,light brown,doubly...Greystones Quarry,Launceston,Cornwall. Large milky Quartz breccia fragment with upper surface richly invested...Arsenopyrite. Top of specimen with vugs in terminated Quartz with several terminated xtls of Arsenopyrite(2mm+)...ARSENOPYRITE(CHLORITOID), Penlee Quarry,Newlyn,Cornwall. Quartz fragment encrusted and veined with silvery,massive |  | | Journal (issue) | | Marietta Jones Mill Quarry Hot Spring County, Arkansas - Fall, 2000 Art Smith 9118 Concho Street Houston...on orthoclase, Jones Mill Quarry, Magnet Cove, Arkansas, photo by the author. Continued on page 6 Microcrystalline...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 Email: lanny@mineralnews.com...micas from granitic pegmatites in the southwestern USA. pp. 57-72. Blasi, Achille and Carla De Pol Blasi...200 I eollecting Arkansas }Vlinerals By Arthur E. Smith, Jr. The only book on Arkansas Minerals: 149 pages |  | | Report (issue) | | Rock quarry, Granite Mountain, Pulaski County, Arkansas, USA. 1.7930 (100), 3.125 (95), 2.349 (81), 1.5505...Rock quarry, Granite Mountain, Pulaski County, Arkansas, USA; average of 12 electron microprobe analyses...kupletskite, muscovite, natrolite, orthoclase, quartz, zircon. Distribution: From Big Rock quarry (also...Granite Mountain, Little Rock, Pulaski County, Arkansas, USA. Name: Honors Dr. Henry (âBumpiâ) L. Barwood...Earth Science at Troy University (Troy, Alabama, USA), elected to the Micromountersâ Hall of Fame and |
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Mt Ida, Montgomery County, Arkansas, USA