 | | Report (issue) | | 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...McCandless, and Hugo T. Dummett The Cretaceous Arkansas alkalic province; A summary of petrology and geochemistry...Potash Sulfur Springs igneous complex, Garland County, Arkansas Robert E. Zartman and J. Michael Howard .... 235 Isotopic relationships in Arkansas Cretaceous alkalic complexes . 241 G. R. Tilton, Sung Tack |  | | Report (edition) | | STATE OF ARKANSAS BULLETIN 23 MINERAL SPECIES OF ARKANSAS A DIGEST By J. Michael Howard 1987 Revised...Little Rock ARKANSAS GEOLOGICAL COMMISSION Norman F. Williams State Geologist STATE OF ARKANSAS BULLETIN...SPECIES OF ARKANSAS A DIGEST By J. Michael Howard 1987 Revised 2007 Little Rock ARKANSAS GEOLOGICAL...Williams State Geologist STATE OF ARKANSAS Bill Clinton, Governor ARKANSAS GEOLOGICAL COMMISSION Norman F...three-day trip to the Little Rock, Hot Springs, and Magnet Cove areas of Arkansas. The trip was conducted by |  | | Other Paper | | MAGNET COVE, HOT SPRING COUNTY, ARKANSAS: COLLECTOR AND PROFESSIONAL OBSERVATIONS, STORIES AND PHOTOGRAPHS...Jr. and J. Michael Howard MAGNET COVE, HOT SPRING COUNTY, ARKANSAS: COLLECTOR AND PROFESSIONAL OBSERVATIONS...Michael Howard 16001 Vimy Woods Road Mabelvale, Arkansas 72103 E-mail: jmichaelhoward@sbcglobal.net ©...Additional Magnet Cove Mineral Occurrences……………………………… 49 Part 2 – Minerals of Magnet Cove, Hot Spring County...County, Arkansas and Vicinity……………………..... 49 Part 3 – Briefs of the Important Mineral Locations of Magnet |  | | Report (issue) | | Petrology of the Alkalic Igneous Complex at Magnet Cove, Arkansas GEOLOGICAL SURVEY Prepared in cooperation...Petrology of the Alkalic Igneous Complex at Magnet Cove, Arkansas By R. L. ERICKSON and L. V. BLADE GEOLOGICAL...petrology of the alkalic igneous complex at Magnet Cove, Arkansas, by R. L. Erickson and L. V. Blade. Washington...igneous complex at Magnet Cove, Arkansas, 1963. (Card 2) 1. Geochemistry Arkansas Magnet Cove. 2. Petrology...Petrology Arkansas Magnet Cove. 3. Rocks, Igneous. 4. Rocks Analysis. I. Blade, Lawrence Vernon, 1917joint author |  | | Journal (article/letter/editorial) | | apatite formed as deutericminerals in the still hot, but solid igneousrock, as a result of fluid emanationsfrom...the SierraMadre del Sur, whichhigh rangetraps the hot humid air from the Pacific. Recordstaken during the...antiperthite. The othercomponentof the antiperthiteis anorthoclase, determinedas such by the fact that the indicesof...Rutile occursin a variety of rocks. Near Magnet Cove, Arkansas,the analog,brookite,occursin a quartzite...the apatiteformedas deutericmineralsin the still hot but solidigneousrock,as a resultof fluid emanationsfrom |  | | Report (edition) | | STATE OF ARKANSAS BULLETIN 23 S P EC I ES O F A RKA N SA A DIGEST By J. Michael Howard \ 1987... / ARKANSAS GEOLOGICAL COMMISSION Norman F. Williams State Geologist s·' , STATE OF ARKANSAS BULLETIN...23 SPECIES OF ARKANSAS A DIGEST By J. Michael Howard 1987 Little Rock ARKANSAS GEOLOGICAL COMMISSION...State Geologist STATE OF ARKANSAS Bill Clinton, Governor ARKANSAS GEOLOGICAL COMMISSION Norman...field trip to the Little Rock, Hot Springs, and Magnet Cove areas of Arkansas. The trip was conducted by |  | | Journal (article/letter/editorial) | | very important work, namely, the Geology of the County of York, in four sheets. This is one of the finest...of them is given ; and in the north-east of the county, Smith clearly defines the estuarine strata of...map-publishers Messrs. Crutchley, and the sixpenny County Maps for many years issued by that firm contain...Brevig. K2 0 = 517. Elaeolite, Magnet Cove, Arkansas. K 2 0 = 591. Anorthoclase, Pantelleria. K2O varies from...in grade 3. Soda-orthoclase will give 25, and anorthoclase 1-5 or even lower. Spodumene, with its good |  | | Journal (article/letter/editorial) | | probably rich in soda, and may be cryptoperthite or anorthoclase, but the optical characters, so far as I have...leucite-syenites' from the igneous complex of Magnet Cove, Arkansas, described by the late J. F. "Williams,1...Igneous Rocks of Arkansas " : Annual Report of tlio Geological Survey of Arkansas for 1890, vol. ii...ii. • "Igneous Complex of Magnet Cove" : Bull. Geol. Soc. Amer., vol. ii (1900;, pp. 389-416. Downloaded...those portions of the * leucite-syenite' of Magnet Cove in which melanite is most abundant are practically |  | | Journal (article/letter/editorial) | | (0.25-0.60 wt.%) are broadly similar to those anorthoclase megacrysts from alkalic basalts reported eleswhere...mantle (0.47-1.10 wt.%), but comparable to the anorthoclase megacrysts studied by Irving and Frey (1984)...contact in a garnet-nepheline syenite from Arkansas, USA. However, this hyalophane mantle is different...from the literature. They are predominantly anorthoclase with subordinate sanidine and albitic plagioclase...composition of these megacrysts, from sanidine through anorthoclase to potassic oligoclase (Fig. 4). This corresponds |  | | Journal (article/letter/editorial) | | be missed. The climax was reached one night at Magnet Heights, when Bateman challenged us on the question...Ditro, Transylvania Magnet Cove, Ark. Fourche Mountain, Ark. Miask, Urals Saline County, Ark. Zarafshan,...Transbaikalia Ice River, B.C. Botogol Hill, Siberia Magnet Cove, Ark. Granitberg, S.W. Africa Jacupiranga, Brazil...detail with those of Sekukuniland and Fen and Magnet Cove ; ijolite and theralite occur in the heart of...potash-felspar, as Bowen supposes, but a very soda-rich anorthoclase, which alters the case vitally. From this residual |  | | Book (edition) | | field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although his final results...decade. In the United States these include Magnet Cove, Arkansas (Erickson and Blade, 1963), Iron Hill, Colorado...carbonate-rich rocks that might have originated from a hot carbonatitic fluid genetically derived through some...include all those carbonate-rich deposits formed from hot fluids” —a useful extension. ° Thus, for descriptive...South Africa; Chilwa Island, N yasaland; Magnet Cove, Arkansas. In some cases the ring complex is arcuate |  | | Book | | ranges, erupting volcanoes, earthquakes and even hot springs and caverns. But most geological activity...be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 om MINERALS: PRODUCTS OF A CHANGING...suitable topaz crystals, can grow directly from hot gases, which carry the mineral’s ingredients in vaporized...cavities are commonly found in this rock, created when hot gases were trapped in the basalt lava as it a specimen...producing such forms as aegirine pegmatite. As well, hot hydrothermal fluids often carry and deposit valuable |  | | Catalog/List | | Fairfield County, Branchville White xlline with cymatolite, good study ... New Mexico Taos County, near Dixon...cerium aluminum silicate California Los Angeles County, Pacoima Canyon Large black tabular crystals in...iron silicate ACTINOLITE California San Bernardino County, Wrightwood Green prismatic crystalline mass ....CROSSITE Sodium iron silicate California San Benito County, Gem mine Compact blue-gray mass with natrolite...sodium potassium alumino-silicate Arizona Final County, Christmas Dark green cleavages in andesite .. |  | | Journal (article/letter/editorial) | | carbonatiteintrusions, Perry and ConwayCounties,Arkansas Groncn R. McConMrcK,Rrcn,qnoC. Hurrrcorr* Departmentof...Morrilton, Oppelo dump, Perryville, and Brazil Branch, Arkansas. The texture indicates that the bodies were explosively...Perryville in Conway and Perry Counties in west-central Arkansas are still exposed. They trend in a north-south...in this study are the northernmost known in the Arkansas igneousprovince. They lie on the north side of...Ouachita fold belt, 47 to 7 | km north of the Magnet Cove alkaline carbonatite complex that crops out in |  | | Report (volume) | | From the Silver King mine, Calico, San Bernardino County, Cal. Specific gravity, 6:28. Analysis by W. H...From .Teocalli Mountain, Brush Creek, Gunnison County, Colo. Specific gravity, 7.400 at 14.5°, corrected...vol. 3, pt. 1, p. 46. From the Rose mine, Grant County, N". Mex. Specific gravity, 6.644 at 20°. Probably...impurities. From the Missouri mine, Halls Valley, Park County, Colo. Analyses, by Hillebrand, of three different...From the Brobdignag mine, Red Mountain, San Juan County, Colo. Specific gravity, 5.21 at 18°. Analyzed |  | | Journal (article/letter/editorial) | | lava stratum are the soil and subsoil baked by the hot lava and sometimes having minute steam holes. All...survival of the tree through their contact with the hot lavas all point to the probability that a very deep...long enough, before the hot lava reached then, to water-log them. When the hot flow covered the trees...Antarctic Geology. He gave each member present an anorthoclase crystal from Mt. Erebus near the Ross Sea. His...La., quartz crystals at Hot Springs, Ark., and various minerals at Magnet Cove, Ark. and Joplin, Mo. The |  | | Catalog/List | | , SPECIFIC ENQUIRIES ARE SELCOHE FOR MINERALS HOT LISTED. LET HE KNOW OF YOU HAVE A COLLECTION SPCIALITY...mass in Calcite.(Dark Star Mine,Ravalli County, Montana USA) 1 x 14 £2.50 1x1 £4 1x2 £10 156 NATIVE BISMUTH...(Union Carbide Mine, Wilson Springs Garland County, Arkansas USA) 1x1 £4 1x2 £7.50 360 PARATELLURITE TeO...matrix. (Outpost Mine, San Domingo Wash Maricopa County Arizona) Ixliins £4 107 CHLORARGYRITE Ag Cl good...micro's on matrix. (Getchell Mine,Humboldt Co . Nevada USA) 5mm £4 up to 1.5cm £7 242 KOLBECKITE Scandium Phosphate |  | | Catalog/List | | SO/4 OH magnification there arc small crystals County, Arizona -------------"'--------'-'--'----'--____;;...grey cleavable massive Crystal peak, Park County, Colorado, USA Keystone, South Dakota U.S.A. 1" £4 2x3...grained mass in calcite Dark Star Mine,Ravalli County, Ix½ £2.50 lxl £4 ANCYLITECe CeSr CO/3 Montana...::------:--::---::--.-:-:----:--------------ANORTHOCLASE Felspar group pure pale brown cleavages. Ula...lx2 £2 mixture with Chrysotile, pale grey-green County Bridge Quarry,Lizard ,Cornwall MgFeSiO massive |  | | Catalog/List | | 35 .20 .50 .50 .15 .10 .35 .25 .75 .50 ANORTHOCLASE (sodium and potassium aluminum silicate} Clea\'age... red and black; Arkansas. 10 lbs. or more, 16¢ per lb. .20 Pisolitic, gray; Arkansas, 10 lbs. or more... . . . . . . . . . . . . . . . . Stalactite ; Arkansas. 3" to 6", 35¢, 60¢; and 75¢. .... Travertine...cubo-octahedron; Arkansas. l", 2 for 10¢. Xis with rnonticellite, in calcite; Arkansas . . . . . . . ....60 FELDSPAR-See Albite, Andesine, Anorthite, Anorthoclase, Bytownite, Celsian, Labradorite, Microcline |  | | Journal (article/letter/editorial) | | AnalAndeAndesine AndesAnorthiAnorthite AnorthiAnorthoclase Anorthoclase- AnorthoclasAnthophyllite AnthoAnthyApatite...midalkalite (includes Leucite- syenite of Magnet Cove, Arkansas). 8. Cancri-midalkalite (= Cancrinite-syenite)...and nephelinesyenites of Montreal and Magnet Cove, Ark. [Cove-type]). 10. Sodali-midalkalite (includes...3. Paucifels - essexite (includes Essexites of Arkansas ; Montreal ; Penikkavaara, near Kuusamo; and Brandberg)...Kola Penin.; Elseolite-syenite (Kidgetype) of Magnet Cove ; and Jacupirangite). 2. JEgaugi-natrijolite |  | Eby, G. N., Woolley, A. R., Din, V., Platt, G. (1998) Geochemistry and Petrogenesis of Nepheline Syenites: Kasungu-Chipala, Ilomba, and Ulindi Nepheline Syenite Intrusions, North Nyasa Alkaline Province, Malawi. Journal of Petrology, 39 (8) 1405-1424 doi:10.1093/petroj/39.8.1405 | Journal (article/letter/editorial) | | UNIVERSITY OF MASSACHUSETTS, LOWELL, MA 01854, USA 2 DEPARTMENT OF MINERALOGY, NATURAL HISTORY MUSEUM...syenite (Stephenson, 1972); (8) Magnet Cove, Arkansas Alkaline Province, Arkansas (Flohr & Ross, 1990); (9)...unpublished data 1995); (6) Magnet Cove, Arkansas Alkaline Province, Arkansas (Flohr & Ross, 1990). Fig...Erebus, ranging in composition from basanite to anorthoclase phonolite, varies in Nb/Ta ratio from 16·0 to...Ross, M. (1990). Alkaline igneous rocks of Magnet Cove, Arkansas: mineralogy and geochemistry of syenites |  | | Catalog/List | | radial groups on limonile ........... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals...lapis AJOITE Copper aluminum silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and...cerium aluminum silicate California Los Angeles County, Pacoirna Canyon Large black tabular crystals in...basic sulfate of aluminum and potassium Utah .Piute County, Tushar Mountains, Marysvale ----i'>ink crystalline...crystal vugs ALTAITE Lead telluride Colorado Saguache County, Klondike mine Cleavage plates in quartz with pyrite |  | | Report (volume) | | meridian of 76° 30', from Tompkins County, New York, to Bradford County, Pennsylvania, by Henry S. Williams...cents. 16. On the Higher Devonian Faunas of Ontario County, New York, by John M. Clarke. 1885. 8°. 86pp. 3...57 pi. Price 25 cents. 38. Poridotite of Elliott County, Kentucky, by J. S. Diller. 1887. 8°. 31pp. 1 pi............................. Hammondville, Essex county, New York ............................ Port Henry...to occur as far south as Granville, Washington county, N. Y., but others are mentioned in the Vermont |  | | Catalog/List | | . . . . . . . . . . . . . . . . . . . . 37 ANORTHOCLASE (sodium and potassium aluminum silicate) Cleavages...mixture of cliachite and gibbsitc) Pisolitic, gray; Arkansas . . . . . . . . . . . . . . . . . . . . . . ....Specimens in vial or bottle . . . . 24 LARVIKITE-See Anorthoclase LEPIDOLITE {lithium, potassium aluminum fluosilicate)...masses, extra strong; Arkansas . . . . . . . . . . . . . 94 Medium strong; Arkansas . . . . . . . . . ....PSILOMELANE (impure hydrous manganese dioxide) Massive; Arkansas . . . . . . . . . . . . . . . . . . . . . . . |  | | Catalog/List | | 2x2 £4 Pyroxene --·-· .. ··•··· --- -- . 168 ANORTHOCLASE Ula, near Larvik, South Norway 129 CHROMITE...Feldspar lxl £3 lx2 £5 small 2x2 £9 502 ANTIGORITE County Bridge Quany,Lizard ,Cornwall 172 BEEKITE Tor Bay...Mg C0/3 128 DUNDASITE . Tynagh Mine, Loughrea, County Galway,lreland White micro fibres or crusts with.... ____ _ __ 106 CORONADITE Cowshill, Weardale, County Durham. Pure black cellular mass, some slightly.... -- ·· -- · - ·- -- ·-- 657 HEMATITE Carleon Cove, Poltesco, Lizard Cornwall Rich black vein section |
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