 | | 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 |  | | Journal (article/letter/editorial) | | quartz, Manhan River mine, Easthampton, Hampshire County, Massachusetts. Marvin Rausch specimen, Jeff Scovil...branch of the Calumet and Hecla mine, Houghton County, Michigan. A. E. Seaman Mineral Museum (Michigan...JulyIAugust: Vanadinite and wulfenite, Old Yuma mine, Pima County, Arizona. Les Presmyk specimen, Jeff Scovil photo...Point claim, Lake George intrusive center, Teller County, Colorado. Dave Bunk specimen, Jeff Scovil photo...Rhodochrosite, area 28, level 20, Eagle mine, Gilman County, Colorado. Dave Bunk specimen on loan to the Colorado |  | | Journal (article/letter/editorial) | | indicated by the replacement of early perovskite by loparite-(Ce) and ceroan lueshite. Separation of the fluid...described in this study [e.g., gittinsite, cerite-(Ce) and calcium catapleiite] are either extremely rare...amphibole, schorlomite, phlogopite, titanite, cerite-(Ce), chlorite, zircon, zirconosilicates, Ca–Al silicates...remplacement de la pérovskite précoce par la loparite-(Ce) et la lueshite enrichie en cérium. La séparation...Plusieurs minéraux signalés dans ce travail [e.g., gittinsite, cérite-(Ce) et calcium catapléiite] sont |  | | Catalog/List | | , SPECIFIC ENQUIRIES ARE SELCOHE FOR MINERALS HOT LISTED. LET HE KNOW OF YOU HAVE A COLLECTION SPCIALITY...Minerals with unusual elements Page 1 Belovite Ce , Ancylite Ce , Galkhaite Paratellotite Native Bismuth...ANCYLITE Ce SrCe Carbonate rich pinkish fine grained mass in Calcite.(Dark Star Mine,Ravalli County, Montana...Montana USA) 1 x 14 £2.50 1x1 £4 1x2 £10 156 NATIVE BISMUTH, pure silvery mass with possible Molybdenite...Lovozero,Kola,Russia) 54 x 54 £6 229 MELANOCERITE Ce Ca Si OH F Two or three brown 3mm areas in 2cm matrix |  | | Journal (article/letter/editorial) | | stricto), to the rare earth element (REE) variety, loparite-(Ce). Chemical zonation in the perovskites (sensu...enrichment in the light rare earths for perovskite, loparite, apatite, melilite and diopside. Mean perovskite/...the Gardiner rocks were calculated as La = 10.4, Ce = 13.8, Nd = 13.9, S m = 9.9, Eu = 7.7, Gd = 5.2...IgdZVWORBS:rare earth elements, perovskite, apatite, loparite, Gardiner Complex, Greenland. Introduction THE...variation in composition from pure CaTiO3 towards loparite, it occurs in association with other well-characterised |  | | Journal (article/letter/editorial) | | repositories for Sr, REE and Nb included betafite, loparite-(Ce), crichtonite and ilmenite-group minerals. Betafite...incompatible elements from the nepheline-syenite melt. Loparite-(Ce) evolved predominantly by depletion in Sr and...e. from strontian niobian loparite (up to 22.0 wt.% SrO) to niobian loparite (up to 17.6 wt.% Nb2Os)....(strontiochevkinite) to REE-rich compositions [chevkinite-(Ce)]. Strontiochevkinite from Pegmatite Peak is compositionally...In this youngest assemblage of minerals, ancylite-(Ce) is the most common Sr-REE host. Some discrete crystals |  | | Catalog/List | | ancylite ce SrCe Carbonate rich pinkish fine grained mass in Calcite.(Dark Star Mine,Ravalli County, Montana...Montana USA) 1 x H £2.50 1x1 £4 040 BITYITE Li and Be Mica white cleavages in Muscovite. (Harding Mine,Taos...Taos County, New Mexico) 1x1 £3.50 1x2 £7 097 CHLOANTHITE (variety of Nickel Skutterudite) Ni Co As....micro's on matrix. (Getchell Mine,Humboldt Co . Nevada USA) 5mm £4 151 LEUCOSPHENITE Ba Na Ti B SiO Blue massive...Lovozero,Kola,Russia) H x 'h £6 229 MELANOCERITE Ce Ca Si OH F Two or three brown 3mm areas in 2cm matrix |  | | Journal (article/letter/editorial) | | Magazine, August 1999. Vol. 63(4), pp. 519-534 Loparite and 'metaloparite' from the Burpala alkaline complex...Chernogolovka, Moscow Region, Russia 101026 Loparite-(Ce) is a ubiquitous accessory mineral in modally...mineral approaches the ideal formula NaREETi206 (REE - Ce > La > Nd > Pr > Sin), and contains minor CaTiO3...using the Rietveld method, are given. At Burpala, loparite precipitated from an alkaline REE-rich fluid during...earlier-formed intrusive rocks. In some parageneses, loparite was replaced by 'metaloparite' during the final |  | | Catalog/List | | inn. colourful Halite MINERALS 047 BASTNAESITE Ce La CO/3 F Rich distribution of tiny brown grains...on rock £2.50 (Rudabanya Hungary) 248 GADOLINITE (Ce La Nd Y) Fe Be Silicate.2mm to 3mm brown crystal...Norway) lxl to lx 54 only 1 crystal £4 229 MELANOCERITE Ce Ca Si OH F Two or three brown 3mm areas in 2cm matrix...Morocco) half x half ins £3.50 407 TADZHIKITE Ce Ca (Ce Nd La) (Ti Al Fe) B SiO vitreous brownish micro...Minas Gerias Brazil) £4.50 051 BURBANKITE(NaCa)(SrBa Ce) CO/3 sparse orange brown areas in matrix. (Khibiny |  | | Journal (article/letter/editorial) | | pp. 769-782 Lueshite, pyrochlore and monazite-(Ce) from apatite-dolomite carbonatite, LesnayaVaraka...Monazite-(Ce) found as minute crystals in fractures, represents the solid solution between monazite-(Ce) CePO4...long-term conservation of radioactive wastes. Monazite-(Ce) and barian strontiopyrochlore are products of lowtemperature...KEYWORDs:lueshite, pyrochlore, strontiopyrochlore, monazite-(Ce), apatite-dolomite carbonatite, Lesnaya Varaka complex...the intergrowths host irregular grains of monazite-(Ce) up to 20 gm in size. MINERALS IN APATITE-DOLOMITE |  | | Journal (article/letter/editorial) | | the perovskite subgroup (tausonite, perovskite, loparite, lueshite, isolueshite, lakargiite, megawite);...several perovskite-group minerals, including cumulus loparite from igneous rocks, and found no evidence for...subgroup Barioperovskite Isolueshite Lakargiite Loparite Lueshite Macedonite Megawite Perovskite Tausonite...Fe)SiO3 ? MgSiO3 CaSiO3 Pbnm ? a–a–c+ BaTiO3 (Na,La,Ce)(Nb,Ti)O3 (Ca)(Zr,Sn,Ti)O3 (Na,REE,Ca,Sr,Th) (Ti...perovskite subgroup FIG. 8. Tausonite-strontian loparite from the Little Murun complex, Yakutia, Russia |  | | Catalog/List | | t�ertenseqen, Black Forest Gen11<1ny) lxlins £.G 22G LOPARITE Ce Na Ca Ti Nb 0 small black crystals sections in...Ree Vol 21 pagel33 10 x 5 MM £G 229 liELAflOCERITE Ce Ca Si OH F Two or three brown 3mm areas in 2cm matrix...(Union Carbide Mine, Wilson Springs Garland County, Arkansas USA) lxl £4 lx2 £7.50 463 THORTVEITITE (Sc Y)/2...Lovozero,Kola,Russia) ½ x ½ F6 293 MONAZITE La (La Ce Nd) F0/!, pinkish-brown micro crystal on matrix....Missouri USA) a) with 2 or 3 crystals £5 b) several xls on 1/2ins £6 407 ·r�.DZHIKI'rE Ce Ca (Ce Nd La) |  | | Report (volume) | | formulas by the chemical symbol for either cerium (Ce) or yttrium VII MINERALS OF THE RARE EARTHS (Y);...for example, the formula for calkinsite is given as Ce 2 (C0 3 h · 4H 20. This does not mean that cerium...member. Some formulas, such as that of cordylite (Ce, LahBa (C0 3 ) 3 F 2 , are written so as to emphasize...element Cerium subgroup: Lanthanum (La) - Cerium (Ce) - - - Praseodymium (Pr)Neodymium (Nd) Promethium...- ·· Abukumalite - (Y, Ce, Ca) 5 (Si0 4 , P0 4 ) 3 (0, OH, F) Aeschynite - (Ce, Ca, Fe, Th) (Ti, Nb) 20 |  | | Book (edition) | | Prague Printedin Czech Republicby Finidr.u.o .. Ce,ky Te~in 14/02/03/0 I All rights reserved•• ·o pan...dominant rareearth element (REE). e.g. monazite-(Ce), monazite(Nd), etc. In a few cases a similar procedure...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado |  | | Catalog/List | | e i s some m i c r o N a t i v e G o l d f r o m USA , p a g e 5 . N o 147 page 5 S e l e n i u m...(Tushar Mts, near Marysville, P i l u t e County Utah, USA) lx1 £ 1 . 6 0 • 0 11 THAUSITE Mg Phosphate...Pure grey cleavable mass. (Keystone, South Dakota, USA) lx1 70p 1 x 2 £1.20 2x2 £2.40 2 x 3 £4.80 017 ANALCITE...t l y crystalline masses in matrix (Mullaghderg,County Donegal, Ireland) 1x2 £2 022 ANGLESITE P b Sulphate...Hidalgoite rich matrix. (Gold H i l l Mine,Tooele County, Utah, USA) lx1 £2.50 1 x 2 £5 223ARSENIC NATIVE A s |  | | Book | | copper are in the Keweenaw Peninsular, Lake Superior, USA, the largest being I 5 x 7 x 3m (approx. 50 x 23...occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law twins up to 5 cm in size and...Keweenaw Peninsula near Lake Superior, Michigan, USA. Wires, up to 100 mm (4 in) long, come also from...from Farncomb Hill near Breckenridge, Colorado, USA. Fine crystals were also found in Berezovsk, Ural...were found in Klondike, Alaska; Tuolumne County, California, USA and in Ballarat, Victoria, Australia. Fine |  | | Book | | copper are in the Keweenaw Peninsular. Lake Superior, USA, the largest being 15 x 7 x 3m (approx. 50 x 23 x...occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law twins up to 5 cm in size and...Keweenaw Peninsula near Lake Superior, Michigan, USA. Wires, up to 100 mm (4 in) long, come also from...of gold found in many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine...very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets of crystallized gold occurred |  | | Catalog/List | | Mts.Yakutia, Russia) 5mm £1.80 1cm £3 ANCYLITE Sr Ce Carbonate colourless micro crystatals on 4rnm matrix...Karnasurt,Lovozero, Kola) 5mm £2.00 1cm £4.00 229 LOPARITE (Ce Na Ca)(Ti Nb) 0 rich black masses in matrix...(St Hilaire, Quebec) Ii X � £4.50 047 BASTNAESITE Ce La C0/3 F Rich distribution of brown grains in grey...(Drag Norway) lx2 E3.00 2x2 £6.00 318 STILLWELLITE Ce Ce La Ca BSiO pale pink micro xl in Sanidine. Possible...Oberpfal Germany) 5to 10mm £3 l/2ins £5 097 CERITE. Ce Ca Silicate pinkish massive with black Allanite (Bastnas |  | | Book | | Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73...ALICE GLORY HOLE The Alice glory hole, Clear Creek County, Colorado (by T. A. Hanson & W. B. Craft) 18:185187...--and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE MYERS --and...Allgood, J. Pradenas: Gold occurrences in Tuolumne County, California 18:41-45, 18:62-64 --with W. H. Wilkinson |  | | Book (edition) | | (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA). Dmitriy Belakovskiy (Russia). Fabio Bellatreccia...(Italy), T.S. Ercit (Canada). Alexander Falster (USA). Jeffrey de Fourestier (Canada). Robert Gault (Canada)...Henderson. Jr. (USA). D.D. Hogarth (Canada). J.L. Jam bor (Canada), Anthony R. Kampf (USA). Pave! M. Kartashov...Karnp-Moller (Denmark). Akira Kato (Japan). Lance E. Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria)...Republic). Per Nystcn (Sweden), David O'Hanlcy (USA). Filippo Olmi (deccased) (ltaly). Werner H. Paar |  | | Book | | La; Nd; PrÞ3þ ðaqÞ þ PO4ðaqÞ þ 4HNO3ðaqÞ Monazite-(Ce) ¼ Huttonite rim on Monazite (1.18) The destiny...likely provided by synsedimentary hydrothermal or hot-spring input into the rift basin area. Chert with spherulitic...evaporative concentration and cooling of highly alkaline spring water, causing early replacement of microbial mats...appears to indicate an evaporitic-pyroclastic-thermal-spring environment associated with rifting at about 2...is favorable to gold mineralization in a thermal spring environment (Pirajno and Grey, 2002). A Permo-Triassic |  | | Book (edition) | | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...instance, in hydrothermal black smokers from inside (hot) to outside (cold): • Sphalerite-galena-pyrite-i...penetrabrown on tion twins edges Germanocolusite Loparite-(Ce) Klockmannite yes strong, brownish grey strong...Hydrohetaerolite Schafarzikite Ilmenorutile Powellite Davidite(Ce, La, Y) Tapiolite-(Mn) Sphalerite Wurtzite Groutite...Oxyplumboroméite Birnessite Linarite Joaquinite-(Ce) Scheelite Annabergite Reflection Colour & Ø |  | | Book | | Netherlands. Special regulations for readers in the USA — This publication has been registered with the Copyright...made in the USA. All other copyright questions, including photocopying outside of the USA, should be referred...12=scheelite placers. From LITHOTHEQUE. in Kerr County have no practical importance. The metallic deposits...attributed to the heat supplied by mantle plumes (hot spots). A site of type (1) is now favoured asa craddle...plutonic Au 070 NO. METAL(S) 1î 13 1 Fe 2 Cu (magnet.) Cu(Mo) 5 Au 6 Au 9 |13 II Mo Mo-W W |  | | Book | | Netherlands. Special regulations for readers in the USA — This publication has been registered w i t h the...made in the USA. A l l other copyright questions, including photocopying outside of the USA, should be...12=scheelite placers. From LITHOTHEQUE. I in Kerr County have no practical importance. The metallic deposits...attributed to the heat supplied by mantle plumes (hot spots). A site of type (1) is now favoured asa craddle...Au 1070 NO. METAL(S) 1 1 13 2 14 1 Fe SW (magnet.) Cu Cu(Mo) Au 6 Au • 7 Au(As) II Γ • |
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