 | | 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 ©...Introduction…………………………………………………………………... 17 Kimzey Calcite Quarry………………………………………………………. 18 Perovskite Hill………………………………………………………………...Locations………………………………………………………………... 21 Diamond Jo Quarry…………………………………………………………... 21 Eudialyte Syenite |  | | Journal (article/letter/editorial) | | MAGNET COVE, ARKANSAS By CARL M. WELCH South Dakota School of Mines Box 1 197, Rapid City, S.D. 57701...57701 Magnet Cove has been an area of of punishment since much walking will great mineralogic interest since...natural magnet in the soil and its picks and sledges. Small tools are also basin-like shape. The Cove is located...northern Hot Spring County, Arkansas could be used. A good knapsack is of about 12 miles east of Hot Springs...places where Cove Creek enters and the text as being closed. However, Mr. leaves the Cove. Kimzey will |  | | Journal (article/letter/editorial) | | igneousrocks of Magnet Cove,Arkansas: Metasomatizedijolite xenoliths from Diamond Jo quarry M.cnrA,J. K....the Magnet Cove alkaline ring-dike complex. Xenoliths were collected from the Diamond Jo quarry located...form the inner rings of the Magnet Cove complex. INrnolucrroN The Magnet Cove complex is an alkaline ring-dike...in an area of approximately 12 km2 in Hot Spring County, Arkansas. The igneousrocks of the complex intrude...indicate two periods of igneous activity at Magnet Cove. The mean spheneagefor the emplacement of the |  | | Journal (article/letter/editorial) | | Carolina State University] at 12:21 10 March 2015 Magnet Cove is a ring-dike complex of alkalic igneous rocks...outer rim of the Cove consists of erosion-resistant syenite. The low interior of the Cove consists of ijolites...portion of Magnet Cove’s interior. Collecting Microminerals Cove Creek, Magnet Cove, Arkansas Unless otherwise...microminerals I could find in Magnet Cove, Hot Spring County, Arkansas, where I had been collecting whenever...whenever possible since 1958. Magnet Cove was definitely not known for its microminerals at that time |  | | Journal (article/letter/editorial) | | states at its 2017 February show (add Oklahoma, Arkansas, Kentucky, and Tennessee); hence, they will all...states— Michigan, Wisconsin, South Dakota, and Arkansas—at the periphery of the area tally over three...inclusions or mixtures (e.g., yellow smithsonite from Arkansas), or bizarre growth habits (e.g., twists and elongations)... Marion County, Tennessee Shepard 1835 1835 Nitromagnesite Nicajack Cave, Marion County, Tennessee...Tennessee Shepard 1835 1846 Schorlomite Magnet Cove, Hot Spring County, Arkansas Shepard 1846 1880/2002 |  | | Journal (article/letter/editorial) | | Shockley's comprehensive survey of collecting in Magnet Cove, Arkansas was but one of the many outstanding articles...with timeless appeal to mineral stu dents. The Magnet Cove locality has remained a prime collecting site...MINERALS Mineral Collecting Magnet Cove, June, 1948 in Arkansas By W O O D L A N D G . S H O C...E Y Since early in the nineteenth cen tury Magnet Cove has been one of the world's most famous mineral...Unfortunately, most of the published material on the Cove is either out of print or is otherwise hard to obtain; |  | | Journal (article/letter/editorial) | | GEOLOGICAL MAP OF MAGNET COVE, ARKANSAS Downloaded from gsabulletin.gsapubs.org on August 9, 2015 I1...AMERICA IG N E O U S C O M PLEX O F M A G N E T COVE, A R K A N S A S BY HENRY S. WASHINGTON (Presented.................... 396 Part II.—Petrology of Magnet Cove................................................ 390 H . S. W ASHINGTON— IGNEOUS COMPLEX O P MAGNET COVE P a r t I.— G eo log ic S t r u c t u r e o...T O R Y The igneous rocks of Arkansas, especially those of Magnet Cove, have become classical through |  | | Journal (article/letter/editorial) | | PAPER S A. R. Chakhmouradian Æ C. A. McCammon Schorlomite: a discussion of the crystal chemistry, formula...2005 Abstract Examination of schorlomite from ijolite at Magnet Cove (USA) and silicocarbonatite at Afrikanda...major significance to the crystal chemistry of schorlomite, whereas Fe2+ enters the Z site in relatively...[6]Ti3+ or [4]Ti4+ in schorlomite. The simplified general formula of schorlomite can be written as Ca3Ti4+2[Si3-x(Fe3+...to this mineral. In the published analyses of schorlomite with low to moderate Zr contents, x ranges from |  | | 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 |  | Henmi, Chiyoko, Kusachi, Isao, Henmi, Kitinosuke (1995) Morimotoite, Ca3TiFe2+Si3O12, a new titanian garnet from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 59 (394) 115-120 doi:10.1180/minmag.1995.59.394.11 | Journal (article/letter/editorial) | | 1989). The coupled substitution results in the schorlomite component, Ca3Ti2Fe3+SiO12. Morimotoite is the...the titanian garnet distinct from schorlomite and contains more than 50 mol. % of the m o r i m o t o...National Science Museum, Tokyo, Japan. Syntheses of schorlomite, Ca3Ti2Fe32§ and garnets with compositions intermediate...-1. The spectra are very similar to those for schorlomite reported by Tarte et al. (1979). Chemical composition...)2 Si3012 Grandite Ca 3 T i 2 Fe32" Si 012 Schorlomite FIG. 1. The relative proportions of the morimotoite | | Henmi, Chiyoko, Kusachi, Isao, Henmi, Kitinosuke (1995) Morimotoite, Ca3TiFe2+Si3O12, a new titanian garnet from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 59 (394) 115-120 doi:10.1180/minmag.1995.59.394.11 | Journal (article/letter/editorial) | | 1989). The coupled substitution results in the schorlomite component, Ca3Ti2Fe3+SiO12. Morimotoite is the...the titanian garnet distinct from schorlomite and contains more than 50 mol. % of the m o r i m o t o...National Science Museum, Tokyo, Japan. Syntheses of schorlomite, Ca3Ti2Fe32§ and garnets with compositions intermediate...-1. The spectra are very similar to those for schorlomite reported by Tarte et al. (1979). Chemical composition...)2 Si3012 Grandite Ca 3 T i 2 Fe32" Si 012 Schorlomite FIG. 1. The relative proportions of the morimotoite |  | | Journal (article/letter/editorial) | | crystals, Arkansas also boasts an array of other minerals, as evidenced by this county-by-county description...minerals of Magnet Cove, continued with mining in north ern and western Arkansas and Magnet Cove during the...throughout the state and extensive collecting in Magnet Cove. In the 1900s, mining and minerals continue to...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 |  | Antao, Sytle M., Mohib, Shaheera, Zaman, Mashrur, Marr, Robert A. (2015) Ti-RICH ANDRADITES: CHEMISTRY, STRUCTURE, MULTI-PHASES, OPTICAL ANISOTROPY, AND OSCILLATORY ZONING. The Canadian Mineralogist, 53 (1) 133-158 doi:10.3749/canmin.1400042 | Journal (article/letter/editorial) | | [8]X3[6]Y2[4]Z3[4]O12, samples from Magnet Cove, Arkansas, USA. The crystal structures of nine of these...structural mismatch. There are three Ti-rich schorlomite samples (MC1, MC5, and MC7) of which MC1 and...Keywords: Garnet, Ti-rich andradite, “melanite”, schorlomite, morimotoite, birefringence, Rietveld refinements...atom per formula unit, apfu) are classified as schorlomite, and those containing <15 wt.% TiO2 (< 1 Ti apfu)...(Deer et al. 1982). The formula for endmember schorlomite is Ca3Ti4+2 [Fe3+2Si]O12 and the other Ti-rich |  | | Journal (article/letter/editorial) | | together with an earlier known titanian andradite (schorlomite Institute of Geology of Ore Deposits, Petrography...7.78* 0.23 0.87 31.35 99.54 a (A) 12.162 Schorlomite 26.88 17.3 n.a. 2.83 19.42 0.01 0.05 32.35 100...samples for XPS analysis (e.g. some perovskite in schorlomite grains, as may often be seen under the microscope)...that natural titanian andradite (melanite and schorlomite) can also consist of the two end-members (with... and Ca3T12 "3+Ti4+ " the 3 O12 (in case of schorlomite). In any case, a matter of discussion should |  | | 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) | | THE FOYAITE-IJOLITE SERIES OF MAGNET COVE: A CHEMICAL STUDY IN DIFFERENTIATION. INTRODUCTORY. SOMETIME...published a paper' on the "Igneous Complex of Magnet Cove," in which it was shown that the main types found...cit., p. 403. 3J. F. WILLIAMS," Igneous Rocks of Arkansas." Ann. Rep. Geol. Surv. Ark. Vol. II, 189o. 4...locality were such that it was thought that the Magnet Cove complex might furnish another favorable example...six of the representative plutonic rocks of Magnet Cove, as well as two of Fourche Mountain, were therefore |  | | Journal (issue) | | JUNE Contents for June, 1948 CHIPS FROM THE QUARRY ..............................................................482 MJNERAL COLLECTING IN MAGNET COVE, ARKANSAS. By Woodland G. Shockley .................AMATEUR LAYID ARY. SOME TIPS ON THE USE AND CARE OF DIAMOND GRINDING WHEELS FOR LAPIDARY WORK. By A. H . Milner...Association 482 ROCKS AND MINERAU CHIPS FROM THE QUARRY 9th Annual Convention California Federation of...ltrits swdl entJ· MINERAL COLLECTING IN MAGNET COVE. ARKANSAS UQJ. 11 bt ~est r two ~ nun- m. l |  | Grew, E. S., Locock, A. J., Mills, S. J., Galuskina, I. O., Galuskin, E. V., Hålenius, U. (2013) Nomenclature of the garnet supergroup. American Mineralogist, 98 (4) 785-811 doi:10.2138/am.2013.4201 | Journal (article/letter/editorial) | | henritermierite group and the isometric bitikleite, schorlomite, garnet, and berzeliite groups with a total charge...(Voting Proposal 11-D). Keywords: Garnet group, schorlomite group, bitikleite group, berzeliite group, henritermierite...O12 Elbrusite Ca3 U6+ Fe3+ O12 0.5Zr1.5 3 10 SCHORLOMITE Silicate Kimzeyite Ca3 Zr2 SiAl2 O12 Irinarassite...Irinarassite Ca3 Sn4+ SiAl2 O12 2 3+ Schorlomite Ca3 Ti2 SiFe 2 O12 3+ Kerimasite Ca3 Zr2 SiFe 2 O12 Toturite...registration no. M34200. Frank Coffa photograph. (f) Schorlomite, end-member formula {Ca3}[Ti2] (SiFe3+ 2 )O12: |  | Schingaro, Emanuela, Lacalamita, Maria, Mesto, Ernesto, Ventruti, Gennaro, Pedrazzi, Giuseppe, Ottolini, Luisa, Scordari, Fernando (2016) Crystal chemistry and light elements analysis of Ti-rich garnets. American Mineralogist, 101 (2) 371-384 doi:10.2138/am-2016-5439 | Journal (article/letter/editorial) | | studied garnets are: YR4+ + ZR3+ ↔ ZSi + YR3+ (schorlomite substitution); YR2+ + ZR4+ ↔ 2YR3+ (morimotoite...charge = 8), bitikleite (cubic, Z charge = 9), schorlomite (cubic, Z charge = 10), garnet (cubic, Z charge...Z charge = 15). Ti-garnets may belong to the schorlomite or to the garnet group, depending on * E-mail:...referred to as Ti-bearing andradite, melanite, schorlomite, and morimotoite, and Chakhmouradian and McCammon...historically used to distinguish between melanite and schorlomite. From a geological viewpoint, Ti-rich garnets |  | | Journal (article/letter/editorial) | | K–Ti-enriched magnesiohastingsite, with subordinate schorlomite and phlogopite, are the earliest minerals to...carbonatites. Keywords: clinopyroxene, amphibole, schorlomite, phlogopite, titanite, cerite-(Ce), chlorite...enrichi en K et Ti, avec des quantités moindres de schorlomite et de phlogopite, sont les minéraux primaires...Rédaction) Mots-clés: clinopyroxène, amphibole, schorlomite, phlogopite, titanite, cérite-(Ce), chlorite...carbonatite intrusions (e.g., Brazil Branch in Arkansas: McCormick & Heathcote 1987), but analytical data |  | | 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) | | andradite to schorlomite, with a low proportion of grossular (andradite(17.7–49.9)schorlomite(34.6– 49.5)-grossular(3...chromium and represent a solid solution between schorlomite and uvarovite. The Ti-rich garnets in the KL-3...comparable to high Tiandradite (i.e. equivalent to schorlomite). They noted it as being a less common, but nevertheless...comprise of dominant andradite (Ca3Fe3+2Si3O12) and schorlomite (Ca3Ti4+2(Fe3+2Si)O12), with a low proportion...Pyrope Grossular Spessartine Uvarovite Andradite Schorlomite Total Kimberlite SiO2 TiO2 Al2O3 Cr2O3 FeO* MnO |  | | Journal (article/letter/editorial) | | diopside, with melanite garnet (1–5 wt% TiO2), schorlomite garnet (> 5 wt% TiO2 ), variable amounts of serpentine...approximately one Ti atom per formula unit, i.e. the schorlomite end member. Some yellow, Ti-free andradites occur...SAG projection, using the ternary components schorlomite (Ca3TiFe2+Si3O12), andradite (Ca3Fe3+ 2 Si3O12)...The Flohr and Ross (1989) data are from Magnet Cove, Arkansas, where the garnets have an igneous origin...in the Coast Ranges, e.g. Elder Creek in Tehama County, have meter-scale veins and dikes of clinopyroxenite |  | | Book | | M>f*es MANUFACTURES AND AGRICULTURE v MAP OF ARKANSAS Rur Reproduced on a reduced scale from map by...1 /. I y & ..vu. t u.vy UNIVERSITY OF I Arkansas," Washington, D. C., 1 907. , / \/ QUATERNARY...Mississippian ECONOMICS & SOCIOLO, Rocks MINERA IN ARKANSAS INCLUDING A REVIEW OF OIL AND GAS CONDITIONS...MINES, MANUFACTURES AND AGRICULTURE STATE OF ARKANSAS LITTLE ROCK, ARK. 1922 TABLE OF CONTENTS Page...Features Principal Arkansas Minerals and Their Location by Counties Counties of Arkansas and Their Mineral |  | Chakhmouradian, A. R., Cooper, M. A., Medici, L., Hawthorne, F. C., Adar, F. (2008) FLUORINE-RICH HIBSCHITE FROM SILICOCARBONATITE, AFRIKANDA COMPLEX, RUSSIA: CRYSTAL CHEMISTRY AND CONDITIONS OF CRYSTALLIZATION. The Canadian Mineralogist, 46 (4) 1033-1042 doi:10.3749/canmin.46.4.1033 | Journal (article/letter/editorial) | | the silicocarbonatite is Zr-bearing OH-poor schorlomite, described elsewhere (Chakhmouradian & McCammon...Chakhmouradian, A.R. & McCammon, C.A. (2005): Schorlomite: a discussion of the crystal chemistry, formula...M. (1999): Hibschite (hydrogrossular) from the quarry of Mariánská hora Hill at Ustí nad Labem. Bull...igneous rocks of Magnet Cove, Arkansas: mjetasomatized ijolite xenoliths from Diamond Jo quarry. Am. Mineral |
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