 | | Journal (article/letter/editorial) | | andporphyrypyrrhotite.Rubidium-strontium isotopes from Kuhn stockquartz feldsparporphyrydefinea 69 _+2 m.y....high initial ratio of 0.712, indicatingthat the Kuhn stockhad a sialiccrustalcomponent.Isotopicdiseq...producedgraniticmelts rich in lithophile elements.The Kuhn stockis an oxidizedgranitoidof sedimentary origin...of Cassiar,was discoveredin 1978 by the late Bill Kuhn who panned scheelite from stream sediments. There... nomic interest: the A zone, which includes the Kuhn tungsten-molybdenum skarnshowing,andto the west |  | | Journal (article/letter/editorial) | | caprock of Winnfield dome, Louisiana (Barnes, 1933). FLUORITE - Microscopic cubic crystals and clusters of cubes...of white transparent to translucent crystalline fluorite with a pinkish cast was found by the author on...crystal about -% inch. It is not known if this fluorite came from the dome. GALENA-Galenaas small specks...in the salt 376 mine at Winnfield dome (Hoy and Kuhn, 1964). SIDERITE - Brown massive siderite with numerous...along minute fractures in a white clay exposed in a quarry on Piedras Pintas dome in Texas. Other minerals |  | | Journal (article/letter/editorial) | | least one either "shatter" or "fracture" pipes. Kuhn (1938, 1941) reported that more than 100 pipes...discussedthe possible countiesin Arizona was conductedby Kuhn (1938 geologicsignificanceof the processknown to...expressedsimilar viewsto thoseof the presentwriter. Kuhn consideredthe origin of the 100-odd breccia Simons'discussionof...localiza- tion: Ecoa. G•on., v. 70, p. 781-799. Kuhn, T. H., 1938, Childs-Aldwinkle mine, Copper Creek...its bearing on the vroblem of intrusive granites: Am. Jour. Sci., v. 252, p. 577-614. Blecha, M., 1965 |  | | Report (issue) | | A/S 2.52 2.52 311 31 50 USNM17657). Gordon's Quarry, Montvllle, N.J. Amber colored, uniform, translucent...78 5.016 Clark (1966, p. 465) after Eucken and Kuhn (1928). 690 Pyrrhotite 8.4 8.6 8.3 A/R A/S A/R... Massive Clark (1960. p. 465) after Eucken and Kuhn (1928). A/R A/S A/R 0.0 0.0 0.0 7.41 7.41 7.40...Davis (1950). Clark (1966, p. 465) from Eucken and Kuhn (1928). 10 TABLE 1. Thermal conductivity of rock-forming..... (22.1) xl Fluorite CaF 2 . 19.1 19.5 19.3 18.0 xl/R xl/S xl/R xl/S Fluorite............. 9 |  | | Journal (article/letter/editorial) | | OF THE COPPER CREEK AREA, ARIZONA. TRUMAN H. KUHN. ABSTRACT. The Copper Creek area is in eastern...Sei., 5th series, •9: •oo, x93o. Am. Jour. 5x4 TRUMAN H. KUHN. ]3. H. Martin andR. S. Campof the...that cutsthe Gila conglomerate. 516 TRUMAN H. KUHN. Faulting.--Few large faults are presentin the...pipes. Min. Tech., May, 1938. 5•$ TRUMAN H. KUHN. matelyone-fourthmile westof CopperCreekpost-office...:IREz•, z•RIZONz•. 519 o u• 520 TRUMAN H. KUHN. faultshows. onthesurface between thegloryholes |  | | Report (issue) | | conform, to that of the U.S. Geological Survey. I am extremely grateful to members of the U.S. Geological...GEOCHEMISTRY detailed zoning in various parts of Germany, see Lotze, 1938, p. 400-503). The marginal changes...19 lists four such cycles in the Zechstein of Germany, in which thick evaporite beds are separated by...anhydrite layers which are generally much thinner. In Germany these are particularly well developed in the older...---------Erythrosiderite . . Rinneite ______ Fluorides: Fluorite------ _ Sellaite. _____ NaCl KC1 MgCl2-6H2O Mg^ClgCpH^-yi^O |  | | Journal (issue) | | Foundation. ISSN 0035-7529 1978 by The Foote Quarry in Kings Mountain, by LAURA MARBLE 102 Dorset Way...worthwhile . specimens. Milarite from the Foote quarry. Photo by Lewis Perloff l 58 ROCKS AND MINERALS... Thin beds of marble are found in parts of the quarry and another common wall rock is a mica schist with...32 6 41 99 1 100 Brannockite from the Foote quarry. Photo by Miles Hudson JULY/AUGUST 1978 159 COLLECTING...mineral enthusiasts have developed in the Foote Quarry lies in the large number of unusual lithium, tin |  | Loges, Anselm, Wagner, Thomas, Barth, Matthias, Bau, Michael, Göb, Susanne, Markl, Gregor (2012) Negative Ce anomalies in Mn oxides: The role of Ce4+ mobility during water–mineral interaction. Geochimica et Cosmochimica Acta, 86. 296-317 doi:10.1016/j.gca.2012.03.017 | Journal (article/letter/editorial) | | Geowissenschaften, Universität Tübingen, D-72070 Tübingen, Germany Institute of Geochemistry and Petrology, ETH Zurich...D-55099 Mainz, Germany d Earth & Space Sciences Program, Jacobs University, D-28725 Bremen, Germany Received...Geowissenschaften, Wilhelmstraße 56, 72074 Tübingen, Germany. E-mail address: anselm.loges@uni-tuebingen.de...as analogs for trivalent actinide elements such as Am and Cm which occur as medium to long-lived highly...deposited on the sea floor (Elderfield and Greaves, 1981; Kuhn et al., 1998). However, seawater has an even larger |  | | Journal (article/letter/editorial) | | molybdenum occurrences have been found in quartz–fluorite veins of inferred fumarolic origin in the volcanic–subvolcanic...pyritic–argillic alteration zones, pyrite-bearing quartz–fluorite veins and pyritized propylitic-altered mafic rocks...veinlets and together with wolframite, topaz, fluorite, pyrite, sphalerite and chalcopyrite in greisen...sarsenopyrite; cbn s carbonates; cc s calcite; fl s fluorite; gn s galena; mo s molybdenite; py s pyrite; qz...kilometres in the southern part of the caldera, and fluorite and quartz veinlets with pyrite and locally molybdenite |  | | Journal (issue) | | mal gar nichts, doch Olaf meint nur: ,,So schaut ·s am Anfang immer aus" - und zieht schließlich mehrere...(Mark MAUTHNER) Schlanker Bergkristall „ vor Ort" am Rauriser Sonnblick, 37 cm hoch. Fund und Foto: Klaus...in der Mittelschule St. Johann im Ahrntal beginnt am Samstagabend. den 15. April um 19 Uhr mit einem Foto-...Freunde - 1 Abenteuer'': Mineraliensuche am Mont Blanc). Am Sonntag, den 16. April folgt um 10 Uhr die...Mineralien Welt IdarOberstein Antike Steinschnitte sind am 20.+21. Mai Thema der Sonderschau „Coll~ction Trois |  | | Journal (issue) | | Hubbard is thanked for a boracite specimen from Germany which was useful for comparative purposes. Dr....spectra recorded on a number of specimens from Germany are also considerably different from accepted values...nomenclature). A year previously, Hodenburg and Kuhn (1977) had correctly identified the Boulby material...(1987) and in slags from the Harz Mountains in Germany by Schnorrer-Kohler (1987). It has been recently...MINERALS FROM THE MASSIF CENTRAL HAMPSTEAD FARM QUARRY, AVON {Russell Society Southern Branch) PRESENTATIONS: |  | | Journal (article/letter/editorial) | | with Different Hydrophobic Tails for Flotation of Fluorite Renji Zheng 1 1 2 * ID , Zijie Ren 1,2, * ...flotation response of sulfonate-based collectors for fluorite. For this purpose, a series of alkyl sulfonates...C16 at pH < 10, and the flotation recovery of fluorite was higher when adopting C12B as a collector compared...The adsorption behaviors of collectors on the fluorite surface were studied through zeta potential, Fourier...found that the affinity of alkyl sulfonates for fluorite was enhanced with the increase of the alkyl chain |  | | Report (issue) | | example is the Head Center mine), quartz-specularite-fluorite-sulflde aggregates along steeply dipping breccia...minerals are quartz or amethyst, specularite, and fluorite. Most veins are a few feet or less in width and...garnet, epidote, johannsenite, calcite, and sparse fluorite and quartz. The replacement deposits are not obviously...many residents of Aravaipa Valley. In particular, I am indebted to Mr. and Mrs. Clay Turnbull, Mrs. May...Copper Creek have been published by Weed (1913) Kuhn (1938, 1941, 1951), and Denton (1947a). SCOPE OF |  | | Journal (issue) | | below under Geology) in Styria-at Oberdorf; at Wald am Schoberpass, 33 km to the west; and at Hohentauern...Oberdorf minerals include those of Helmut Czuba of Brunn am Gebirge; Walter Gabmayer of Wiener Neustadt; Manfred...Steiermark. Mitteilungen der Abteilung far Mineralogie am Landesmuseum Joanneum, 53, 3-10. PROCHASKA, W. (2000)... (2018) Geschichte der Styromag-Oberdorfund Wald am Schoberpass. Res montanarum, 58, 21-26. SULLIVAN...demand online. OUTLOOK FOR THE FUTURE Sometimes I am asked to estimate if production might be nearing |  | | Journal (article/letter/editorial) | | 共Kreul, Kunstler, Farben, Fabrik, Hallendorf, Germany兲 were analyzed. Cross sections of polyester resin-embedded...view, two types of Pb-Sn yellow are distinguished 共Kuhn, 1993兲: type I is Pb2SnO4, and type II Pb共Sn,Si兲O3...distinguish yellow types I and II. and a presence of Si 共Kuhn, 1993兲. Actually the SEM/EDX analysis of the yellow... smectites, and chlorites 共Hradil et al., 2003; Kuhn, 1993兲. The chemical composition of all green earths...history of painting,” Appl. Clay Sci. 22, 223–236. Kuhn, H. 共1993兲. “Lead-Tin Yellow,” in Artists’ Pigments |  | | Journal (article/letter/editorial) | | vapor and CO2 adsorbed on kaolinite, basalt, or fluorite. Carbon-isotope fractionations between adsorbate...adsorbed on an oxygen- and carbon-poor substrate (fluorite) are also presented for the purposes of comparison...(from Cornwall, England, ⬍50 m), and natural fluorite (CaF2, ball milled to ⬍ 70 m). Basalt and kaolinite...were chosen as analogs for the Martian regolith; fluorite was chosen to examine isotopic fractionations...substrates described above (i.e., basalt, kaolinite, or fluorite; either prebaked or not) that had been previously |  | | Journal (issue) | | double refraction. P/2X2 $1.00. 2x2 V2 $2.00. BLUE FLUORITE, N. M. Fine color cubic x!s. Some with galena...742 748 751 762 774 776 794 722 CHIPS FROM THE QUARRY ......................................................................................... 722 I AM A MINERAL COLLECTOR—Huh?—Anna Marie Hcald ...........i ROCKS AND MINERALS 72! CHIPS FROM THE QUARRY “I AM A MINERAL COLLECTOR” “HUH?” By ANNA MARIE HEALD...ara gonite. A typical working basalt traprock quarry in the Paterson, N. J. area. ROCKS AND MINERALS |  | | Journal (article/letter/editorial) | | influence the permeability of hydrothermal structures (Kuhn et al. 2003). Both gypsum and anhydrite are common...0003-004X/12/0506–995$05.00/DOI: http://dx.doi.org/10.2138/am.2012.4083 995 are added to the solution (J. Morales...of the Ludwig-Maximilians University of Munich (Germany), using a homemade hydrothermal atomic force microscope...growth and dissolution kinetics of gypsum and fluorite; an in situ scanning force microscope study. European...Geochimica et Cosmochimica Acta, 65, 4257–4266. Kuhn, T., Herzig, P.M., Hannington, M.D., Garbe-Schönberg |  | | Book (edition) | | Cuprite var. chalcotrichite Dioptase and wulfenite Fluorite on dioptase Gold Graernite and cuprite Groutite...Mineral Museum, Tucson; x = micromount collection AM ASDM ASU H MM NHM s UA new mineral makes its description...Mexico • Actinolite Apatite Diopside Feldspar Fluorite Magnesite Magnetite Olivine Opal Qyartz Amethyst...Tajo, and the San Pedro mines .... Fluor spar [fluorite] ... , in crystals and large cleavable masses...waxy, almost cubical crystals, green and purple fluorite and crystallized anglesite! galena and cerussite |  | | Book (edition) | | Colorado (formerly the Atomic Energy Commission) AM _ American Museum of Natural History ASU Arizona...diaspore dickite diopside dolomite enstatite epidote fluorite graphite grossular halloysite hematite hornblende...later filled with quartz, adularia, barite, and fluorite, and became mineralized with pyrite, chalcopyrite...barite biotite calcite chlorite clays epidote fluorite heulandite magnetite plagioclase quartz ‘stilbite...(Frondel, 1964). Cerbat Mountains, Kingman Feldspar quarry. Greenwood Mountains, near Signal (Robert O’Haire | | | Book (edition) | | for Museums Containing Mineral Specimens Code AEC AM ASU BM H S UA Museum Energy Research and Development...diaspore dickite diopside dolomite enstatite epidote fluorite graphite grossular halloysite hematite hornblende...later filled with quartz, adularia, barite, and fluorite, and became mineralized with pyrite, chalcopyrite...rite clays quartz barite epidote stilbite biotite fluorite tourmaline beulandite chalcopyrite acanthite...(Frondel, 1964). Cerbat Mountains, Kingman Feldspar quarry. Greenwood Mountains, near Signal (Robert O'Haire |  | | Book (edition) | | (Mn 2 +) Eucryptite (Fe3 •) Fluorapatite (Mn 2+) Fluorite (Eu2 +) Gypsum (organic) Hemimorphite Hydrozincite...brightyellm, fluore cence. Many of the cerussites are on fluorite that is also fluorescent (Les Presmyk, pers. comm...Mineralization involves altered argentiferous galena with fluorite, baryte, calcite, gypsum, and quartz. The local...quartz-hornblende-mica gneiss (Jahns1952). 1 Fluorite Fluorite is a common mineral found at hundreds of locations... have produced an unusual type of fluorescent fluorite. Some samples may fluoresce bright pink under |  | | Journal (article/letter/editorial) | | typesare generallyabsentfrom arc terranes,amag- (Kuhn,1941), the Ilkwangpipe (Fletcher,1977), and mat...Eoceneis noteworthy.This observationis inter- sure (Kuhn, 1941; Joralemon,1952), whereasthe pretedto reflecteraplacement...(1982) Porter andRipIcy (1985) Latite 3,714 t Cu, Kuhn (1941), Jora- (1982) 3,151 t Mo lemon (1952)...Colorada borne out by comparingthe interpretationsof Kuhn and Kidston. (1941) and Simons(1964) for the Copper...,1983), Childs-Aldwinkle,Copper Creek district (Kuhn, 1941), and Los Verdes, Buena in an exceptionally |  | | Report (issue) | | VI I.-BUNKER HILL DISTRICT. () l By TRUMAN H. KUHN .............. Physical Features ... __ ._ ......structural geology of the Dragoon Mountains, Arizona: Am. Jour. ScL, vol. 244, No.9, pp. 601-21, 1946. Eldred...Correlation of Arizona Paleozoic formations: Geol. Soc. Am., Bull., vol. 47, 1936. 5. James Gilluly, Thrust...Dragoon Mountains, Arizona (abstract): Geol. Soc. Am., Bull., vol. 52, p. 1949, 1941. 6. For years prior...u t hea stern Arizon a (abstract ): G e ol. Soc. Am., BulL, vol. 51, p. 1927, 1940 ; Thrust faulting | | | Book (edition) | | Cuprite var. chalcotrichite Dioptase and wulfenite Fluorite on dioptase Gold Graemite and cuprite Groutite...Commission, now the Energy Research and Develop- AM ASDM ment Commission, Grand Junction, Colorado American...Actinolite Magnesite Apatite Diopside Feldspar Fluorite Magnetite Olivine Opal Quartz Scapolite Amethyst...Tajo, and the San Pedro mines) v, Fluor spar [fluorite] . . . , in crystals and large cleavable masses...waxy, almost cubical crystals, green and purple fluorite and crystallized anglesite! galena and cerussite |
|
