 | | 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 |  | | 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 |  | | 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...r r 1 0WH4T «MII( ' I I ►UCAJ4I s;r_ I HOT tAAIHC SCVICA I CA A *T I JCffCASO* ' *«< AHS...573-308-3500 703-648-6045 or phone 800-USA-MAPS Map 3. Arkansas’ Ouachita Mountains 7.5 Minute Quadrangal...Quadrangal Map index. V Contents and Locality Index Arkansas Quartz Crystal Deposits Special Quartz Types. |  | | Report (issue) | | AGES Brochure Series 004 Magnet Cove A synopsis of its geology, lithology and mineralogy. Brookite...Angela Chandler 2007 Arkansas Geological Survey, Bekki White, State Geologist Magnet Cove is an area of unusual...located in northern Hot Spring County, Arkansas, about 12 miles east of the city of Hot Springs. U.S. Highway...Highway 270B (Arkansas Highway 51) passes east-west across the center of the Cove. The Cove lies at the...Ouachita Mountains (Fig. 1). Adjacent to the Magnet Cove intrusion, ridges and valleys are the topographic |  | | Journal (article/letter/editorial) | | Arkansas Phosphate Minerals A R E V I E W AND UPDATE The abundance and quality of Arkansas phosphate...N R Y L . BARWOOD Arkansas Mining and Mineral Resources Research Institute Arkansas Tech University Russellville...Russellville, Arkansas 72801 H E N R Y DELINDE 6 Homestead Court Mabelvale, Arkansas 72103 H A R D L Y...emerald-green crusts of variscite crystals from Arkansas. The abundance and quality of these specimens...minerals from Arkansas was made in 1877 when specimens (apparently from Montgomery County, Arkansas) were recognized |  | | Journal (article/letter/editorial) | | MICHAEL HOWARD Arkansas Geological Commission 3815 W. Roosevelt Road Little Rock, Arkansas 72204 Figure... site of most recent mining activity in the Magnet Cove area. Abundant brookite and smoky quartz were...reclamation in the mid-1990s. lthough the Magnet Cove area of Arkansas was noted before 18.50 in the literature...concerning the discovery of “arkansite” (brookite). Magnet Cove then began to be known for the variety of growth...crystal forms and other mineral species present at Magnet Cove were published in the United States and Europe |  | | 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) | | the Simpson quarry on the south, the Hollister quarry on the east, and the Howe No. 4 quarry on the north...rightsof-way. During the spring and early summer of 1996, the author mapped the trails and quarry locations using...included: the Simpson quarry, known for gem beryl (aquamarine); and the Hollister quarry, known for lithium...famous nearby localities as the Andrews quarry, the Strickland quarry, and the Walden Gem mine. There is every...CRYSTALS FROM THE DOLOMITE PRODUCTS QUARRY, WALWORTH, MONROE COUNTY, NEW YORK. V. H. Collins and J. S. |  | | Journal (article/letter/editorial) | | Alkali Metasomatism fromthe MagnetCoveComplex,Arkansas MARTAJ.K. FLOHR U.S. Geological Survey,NationalCenter...syenites,andijolites.Carbonatiteanda variety Hot SpringCounty,Arkansas (Fig. 1). The igneous of dikes and veins...1950). Explorationfor Ti andV in the areaof the Magnet Cove Complexdatesbackto 1911. The historiesof exploration...Holbrook (1950). From 1934 to 1944, 5,188 short Arkansas tonsof rutfie concentrates were producedfrom the...the ChristydepositforV wasconß Carbonatite [] Jacupirangite I• Arkansas Novaculite ducted by the StrategicMinerals |  | | 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 |  | | 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.......................................... 7 Magnet Cove complex........................................the various intrusive and dike complexes of the Arkansas alkaline province.................. 2 Figure...Figure 2. - Generalized geologic map of the Magnet Cove complex.......... 8 Tables Table 1. - Analytical |  | | 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 |  | | Report (issue) | | 8.652(8) Z=3 X-ray Powder Pattern: Magnet Cove, Arkansas, USA. 3.08 (95), 3.92 (38), 2.536 (28), 2...16 18.00 49.23 Total 99.98 100.00 (1) Magnet Cove, Arkansas, USA; corresponds to (Ba5.27 Sr0.73 )Σ=6.00...a barite deposit (Magnet Cove, Arkansas, USA); in Alpine veins cutting a carbonatite (Bayan Obo deposit...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 (article/letter/editorial) | | KIMZEYITE, A ZIRCONIUM GARNET F-RONIMAGNET COVE, ARKANSAS* Cuanr-Bs Mtr-roN, Br-eNcuB L. INcn.Llr...modified by trapezohedron at Nlagnet Cove, Arkansas' in a carbonatite with abundant apatite, monticellite...been found in other garnets (schorlomite frorn Magnet Cove, melanite Irom Kaiserstuhl, Germany, and titanian...with Magnet Cove mineralogy. Ixrnorucrtox During geologicaistudy of the Magnet Cove, Arkansas' carbonatite...Malvern, Arkansas,to small dark brown garnetsabout 1 mm. diameter in the Kimzey calcite quarry. Becausegarnet |  | | 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 |  | | Journal (article/letter/editorial) | | photo. March/April: Quartz, Middleville, Herkimer County, New York. John C. Medici specimen and photo. May/June:...May/June: Turgite, Graves Mountain, Lincoln County, Georgia. Ronald E. Bentley specimen and photo. July/August:...deLinde No. 4 mine, High Peak, Montgomery County, Arkansas. Private collection; Ronald E. Bentley photo...photo. September/October: Barite, Otero County, Colorado. Dan and Dianne Kile specimen; John Muntyan photo...Wilson. W. E. Wilson photo. Acmite, Arkansas, 304, 321 Aenigmatite, Arkansas, 306 Alabama, volkovskite, 472 |  | | Report (issue) | | (Columbium) and Titanium at Magnet Cove and Potash Sulphur Springs, Arkansas GEOLOGICAL SURVEY BULLETIN...(Columbium) and Titanium at Magnet Cove and Potash Sulphur Springs, Arkansas By V. C. FRYKLUND, JR., R...spectrographic analysis.______________________________ Magnet Cove area-_-_-_-___----_-___-__--_-_______-______-____--__..._____________________________________________ Magnet Cove Titanium Corporation rutile deposit-.___________..._________________________________________________ Kimsey calcite quarry area.________________________________ Origin of |  | | Report (issue) | | CARBONATITES AND ASSOCIATED IGNEOUS ROCKS, MAGNET COVE COMPLEX, ARKANSAS by Marta J.K. Flohr 1 and J. Michael...Geology Center 3815 West Roosevelt Road Little Rock, Arkansas 72204 1995 CONTENTS PAGE Introduction .......Geochemical data of M5 drill core samples, Magnet Cove Complex, Arkansas . 5 Introduction Drill core M5 sampled...alkaline igneous rocks of the Magnet Cove Complex, Hot Spring County, Arkansas. Representative samples of...rocks were obtained as part of a study of the Magnet Cove Complex and other alkaline igneous intrusions |  | | 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) | | Hercynite Crystals from the KIMZEY CALCITE QUARRY Magnet Cove, Arkansas Downloaded by [University of California...showing three modifying cube faces, Kimzey Calcite quarry. Figure 2 (above): Cluster of rounded black hercynite...showing no trace of cube faces, Kimzey Calcite quarry; largest crystal 2.4 mm. Figure 4 (right): Black...Black hercynite crystals, to 0.8 mm, Kimzey Calcite quarry. 402 ROCKS & MINERALS Figure 3: Black perovskite...across, showing minor cube faces, Kimzey Calcite quarry. WlLLlAM A. HENDERSON, JR. 47 Robin Ridge Drive |  | | Journal (article/letter/editorial) | | THE DIAMOND JO QUARRY MAGNET COVE, HOT SPRING COUNTY, ARKANSAS Even though Magnet Cove with its unique...Texas 77036 mond Jo quarry, which is most notable for its microminer als. The quarry and the surrounding...now owned by Henry deLinde of Mabelvale, Arkansas. The Hot Springs Railroad M A G N E T C O V E , S...12 M I L E S E A S T of the city of Hot Springs in Hot Spring County, is a ring-dike complex of alkalic...nepheline syenites (ijolite) and two small areas of carbonatite. Total area is approximately 5 square miles. |  | | Journal (article/letter/editorial) | | perovskite from kimberlite (Iron Hill, Wyoming, USA) and carbonatite (Prairie Lake, Ontario, Canada) showed that...developed in feldspathoid syenites at Magnet Cove in Arkansas (Evans et al. 1986), and Khibiny and Kovdor...spectrometry (EDS): kimberlite from Iron Mountain (Wyoming, USA), calcite carbonatites from Prairie Lake (northwestern...Josephine Creek, Oregon, USA Diamond Jo quarry, Magnet Cove, Arkansas, USA Kerimasi, northern Tanzania...ultramafic rocks (Kas) Iron Mountain, Wyoming, USA Late hydrothermal minerals; associated with perovskite |  | 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) | | com/locate/epsl Continent-scale linearity of kimberlite–carbonatite magmatism, mid-continent North America Genet...Frost c , B.C. Hearn Jr. d , G. Nelson Eby e a Arkansas Tech University, United States Department of Terrestrial...Keywords: kimberlite carbonatite Sr–Nd–Hf–Pb isotope geochemistry mantle reservoirs Arkansas a b s t r a c...c t Cretaceous–Tertiary kimberlite–carbonatite magmatism in mid-continent North America extends along...consistent with motion of North America over a fixed hot spot, the presence of Sr–Nd–Hf–Pb isotopic and trace-element |  | | Journal (article/letter/editorial) | | during the past twenty years than the --------Arkansas Magnet Cove locality. - - - - - - - - Minerals of the...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...Potash Sulphur Springs, and the spring water was bottled and sold in nearby Hot Springs. The property passed |  | | Book (edition) | | Dedicated to Harry von Eckermann, an eponym for carbonatite, with admiration and affection Preface to the...this edition, summarizes the major advances in carbonatite studies in the decade 1966-1976. Since 1966 many...Certainly one of the important new facets of carbonatite study will be their saprolite geology. Recognition...Kimberlites Carbonatites and Vulcanism Geology of Carbonatite Bodies Mineralogy and Petrology Composition and...both flows and pyroclastics. The emplacement of carbonatite bodies has been accompanied by exomorphic changes |
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