 | | 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 |  | | 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 |  | | 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. |  | | Journal (article/letter/editorial) | | Hfi1:#Hl ;:,:,;';: sive comprex, west-centrar (Fig. Arkansas r), in the So'iet union occulrences 9"1"j:-1If"sh...the ijolitic rocks and the fenites. Mnrrrons ARKANSAS oF IIwESTIGATIoN Mineral compositions were obtained...dominatedby massivelybeddedchert. steeply toward the Magnet Cove complex, 8 km to the east (D. R. Owens, pers...Ma (Rb-Sr biotite) for syenitic rocks of the Magnet Cove complex. The agesof both complexeshave been confirmed...phlogopite,titanite,aegirine-augite. apatite, and nosean (noseanidentified by optical properties and qualititative |  | | 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 (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) | | unusual minerological assemblage of Ti-rich garnet, nosean, clinopyroxene, nepheline, leucite, K-feldspar...silica-undersaturation. Among the minerals present nosean contains minor amounts of Sr but most of the available...conspicuous zoned phenocrysts of pale blue or greyish nosean (1-5 mm), melanite (035 mm) and exceptional microphenocrysts...high relief inclusions (Fig. IB and C). Garnet and nosean show a continuum of sizes between phenocrysts and...and the general abundance of clinopyroxene and nosean. The purpose of the present note is to describe |  | | 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 |  | | 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 |  | | Conference Proceedings | | Lovozero complex, containing nepheline-, sodalite-, nosean-, and analcime-bearing syenites. The Kovdor complex...sodalite-nepheline syenite. Oka, Quebec and Magnet Cove, Arkansas are two carbonatite complexes, concentric...pyrochlore, latrappite, and the silicate, niocalite. Magnet Cove is famous for its magnetite, rutile, anatase...many more minerals. Point of Rocks Mesa, in Colfax County, northeastern New Mexico, is a sill of phonolite |  | | 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) | | h e Mt., A r k . , Y o r k . 423. Aegirin v. Magnet Cove, opf. E i g . 424. A e n i g m a t i t v . F...g . , Y o r k . 432. A n a t a s v . M a g n e t Cove, Y o r k . 426 ( N o t e ) . A n a t a s v. P r...l l a , B r e c h . - E x p . 332. Apatit V. Magnet Cove, Anal. 424. Apatit V. S u l z b a c h t h a l...Vorkomm. in Utah u. Color. See. Astrophyllit v. Magnet Cove, York. 424. Astrophyllit v. St. Peters Dome,...Krystallf. 83. Brookit v. Magnet Cove 426. Brookit in Rutil umgewandelt v. Magnet Cove, mikrosk. Unters. 290 |  | | Journal (article/letter/editorial) | | gonnardite, and thomsonite from the Magnet Cove alkaline igneous complex, Arkansas, and of selected specimens...syenitesfrom the Magnet Cove alkaline igneous complex located near Hot Springs,Arkansas(Flohr and Ross...extensivelymetasomatized, one of the purposesof our Magnet Cove investigations was to characterizethe mineralization...crystallization: feldspar, cancrinite, sodalite, and nosean. During latestagecrystallization, natrolite, thomsonite...NATROLITE GROUP mineral group found in the Magnet Cove rocks. To verify TABLE1. Names,chemicalformulas |  | | 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...—Elaeolite, Brevig. K2 0 = 517. Elaeolite, Magnet Cove, Arkansas. K 2 0 = 591. Anorthoclase, Pantelleria...above given for phonolites rich in nepheline or nosean. Grade 3.—Microcline, Pike's Peak. Orthoclase from |  | | Journal (article/letter/editorial) | | the rocks of Cnoc-na-Sroine and those of Magnet Cove, Arkansas, and regards borolanite as almost identical...melanite, 42 per cent, orthoclase, with some segirine, nosean, and biotite. A glance at the two analyses given...leueite-syenite, or leucite-tinguaite-porphyry of Magnet Cove. With reference to the Christiania rocks, the...possible to compare these rocks with those of Magnet Cove and Christiania, and to arrive at some definite |  | Braunger, S, Marks, M A W, Walter, B F, Neubauer, R, Reich, R, Wenzel, T, Parsapoor, A, Markl, G (2018) The Petrology of the Kaiserstuhl Volcanic Complex, SW Germany: The Importance of Metasomatized and Oxidized Lithospheric Mantle for Carbonatite Generation. Journal of Petrology, 59 (9) 1731-1762 doi:10.1093/petrology/egy078 | Journal (article/letter/editorial) | | tephrite, phonolitic tephrite, phonolitic noseanite, nosean phonolite and tephritic phonolite by fractional...spinel/magnetite, garnet, titanite, plagioclase and nosean. During this evolution, temperature and silica...evolved members (phonolitic noseanites, nosean phonolites/nosean syenites, and tephritic phonolites), with... Most phonolitic rocks (phonolitic noseanites, nosean phonolites) have an alkali feldspar-dominated groundmass...brown garnet, nosean, nepheline and strongly altered wollastonite. Porphyritic nosean phonolites comprise |  | Melluso, L., Srivastava, R. K., Guarino, V., Zanetti, A., Sinha, A. K. (2010) MINERAL COMPOSITIONS AND PETROGENETIC EVOLUTION OF THE ULTRAMAFIC-ALKALINE - CARBONATITIC COMPLEX OF SUNG VALLEY, NORTHEASTERN INDIA. The Canadian Mineralogist, 48 (1) 205-229 doi:10.3749/canmin.48.1.205 | Journal (article/letter/editorial) | | clinopyroxene and titanite, with nepheline and nosean in the ijolite SV83, parallel nicols. g) Early...nepheline, zoned garnet, titanite, and interstitial nosean (Fig. 2f). Garnet and titanite are both idiomorphic...unpubl. data) (Fig. 6). Feldspathoids Nepheline, nosean and cancrinite have been observed in the Sung Valley...The level of CaO is lower than 0.6 wt% (Table 7). Nosean has been found in the ijolite SV83. It contains...1980, 1981, 1994), Iron Hill and Magnet Cove, in Colorado and Arkansas, USA, respectively [Nash (1972), Flohr |  | | Journal (article/letter/editorial) | | alkaline type, and frequently sodalite, leucite, nosean, cancrinite, etc., without plagioclase or quartz...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 |  | | Journal (issue) | | 1 1111 1 V 1 1, 1 1, , 1 1 tt t*1 r t ' ‘ Nosean,nephelin e V t11,g 9vuridasLh0r r 1 J 1 1... in de omgeving van Edgerton, Pipestone County, Minnesota, USA ; met apatiet in Bamle , Noorwegen ; in...Québec, Canada en in de Trona Mine , Sweetwater County, Wyoming, US A MAGNETIE T Magnetiet is de lezer...Staten, nl St . Peter Dome, El Paso County, Colorado : Magnet Cove, Arkansa s Golden Horn . Washington...systematiek Esthetische zeoliete n : Mount Ida . Arkansas, US A Mont-St-Hilaire, Québec, Canad a Kola, Siberië |  | | Journal (article/letter/editorial) | | feldspar, after leucite, were reported from Magnet Cove, Arkansas, by G. F. Kunz,1f1f in 1885, and were afterward...America it is known in Lower California, New Jersey, Arkansas, British Columbia, and in several places outlying...and hornblende, olivine, mellilite, haiiyne, and nosean are wanting. A small quantity o f magnetite is...Leucite-tinguaite, Magnet cove, Arkansas, R. N. Brackett, analyst, for J. F. Williams. Annual Report Arkansas Geological...287. Dense rock. IV. Leucite-tinguaite, Magnet cove, Arkansas; J. F. Williams, analyst. Idem. Rock with |  | | Journal (article/letter/editorial) | | h e p a r d i n den Ozarkb e r g e n , Magnet Cove, Arkansas a u f g e f u n d e n w o r d e n , kommt...in Arkansas. S e l t e n e r findet man ihn zusammen mit schlackigem Titaneisen in einem nosean- und |  | | Journal (article/letter/editorial) | | chloride mineral frorn the 934 Mamrnothmine, Pinal County, Atizona, Dunn, P.J., C.A. Francis, R.A. Ramik'...K., M. Ross: Alkaline igneous rocks of Magnet Cove, Arkansas: Metasomatized ijolite xenoliths from Diamond...R. Buseck: Inconnensuratemodulated structure of nosean, a sodalltegroup mineral, 394 Hatch, D.M., D.T...the Potash Sulphur Sprlngs complex, Garland County, Arkansas, I32 Helffrich, G., B. hrood:Subregular model...pseudograndreefite, 927 spinel therzolite, 969 Arkansas carbonatite, l32 garnet,113 ijolite,1I3 nica, |  | | Book | | Bell et al. ( 1 982). I Cape R i chards 2 Freemans Cove 3 Tomb tone Bathol ith and Spotted Fawn Creek Fawn...References M i tchell and Platt, 1983 and 1 984. Cove D EITill � Drift. sea ice and unmapped Cape Richards...FREEMANS COVE 75°05 'N; 78° 10'W Fig. 3 (North west Territories, Bathurst Island) The Freemans Cove suite...sedimentary rocks tau II Fig. 3. Distribution of Freemnns Cove suite (nfter Mitchell nnd Platt, 1984, Fig. 1 )...apatite and rare arfvedsonite, aegirine-augite and magnet ite. The rock of the third outcrop comprises andesine |  | | Report (volume) | | .-....-.-...--.---.-...... Tracho-highwoodose (nosean-syenite) ....----.-....-----...-.---Occurrence...rocks, with phenocrysts of augite, feldspar, and nosean (or analcite), and isotropic groundmass full of...Middle Peak. Syenite, Sodalite. Laccoliths. Syenite, Nosean (new type). Intrusive near High wood Gap. Monzonite...Mountain, Arkansas. R. N. Brackett and J. P. Smith, analysts. Ann. Rept. Geol. Survey Arkansas for 1890...does not differ markedly from the pulaskite of Arkansas, whose analysis is given in the table on page |
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