 | | Journal (article/letter/editorial) | | DOI 10.1007/s00710-012-0200-3 ORIGINAL PAPER Zircon geochronology, elemental and Sr-Nd isotope geochemistry...We present geochemical, Sr-Nd isotopic, single zircon 207Pb/206Pb evaporation and conventional U-Pb data...unit II. Both intrusions provide almost identical zircon ages (332.4±1.6 Ma for Odenwald and 330.4± 2.0...for Spessart). Lack of inherited or pre-magmatic zircon components connotes magma genesis in deep crustal...temperature estimates (758â786 °C) derived from zircon saturation thermometry. Investigated rock samples |  | | Journal (issue) | | net MARCHâAPRIL 2019 Articles The Candelaria District Mineral County, Nevada .........................He also bought and operated a decorative-boulder quarry north of Phoenix. He and Phoenix dealer Bob Lane...adams@aero.org Bonanza silver ore made the Candelaria District one of Nevadaâs largest silver producers in the...whiteite-(CaMgMg). INTRODUCTION The Candelaria district is located in southeastern Mineral County, along...account of the earlier history of the Candelaria district was compiled from Chalfant (1942), Shamberger |  | | Journal (article/letter/editorial) | | physicalâchemical regime (North-Bavarian Kaolin Mining District, Germany) Harald G. Dill a,â, Stephan Kaufhold b, Angela...University, Welfengarten 1, D-30167 Hannover, Germany Bundesanstalt fĂŒr Geowissenschaften und Rohstoffe...Rohstoffe, D-30631 Hannover, P.O. Box 510163, Germany c Bundesanstalt fĂŒr Geowissenschaften und Rohstoffe,... WilhelmstraĂe 25-30, Germany d Schönwalder StraĂe 60, D-13585 Berlin, Germany b a r t i c l e i n...Sedimentologicalâmineralogical facies Mesozoic SE Germany â Corresponding author. E-mail address: haralddill@web |  | | Journal (article/letter/editorial) | | Bridge, New York, 288 Charlesite, 238 Chips from the Quarry, 4, 108, 156, 212, 261 Chlorite, 159 Chondrodite...Cummings, W., Mineralization at the Millington Quarry, New Jersey, 213 Currier, R. H . , book review...Diamond, 72 Diatoms, 172 Dietrich, R. V., Lone Jack Quarry, Rockbridge County, Virginia, 157 Dinosaurs, 71...from the Green River Formation, Wyoming, 29 Foote Quarry, Kings Mountain, North Carolina: Revisited 1984...114, 159 Halotrichite, 180 Hanahan, J . , Foote Quarry, Kings Moun tain, North Carolina: Revisited 1984 |  | | Journal (article/letter/editorial) | | equilibrium. Dated at 1,700±70 m.y. by the constituent zircon, its crystallization formed part of a major period...Significantly, 'absolute'age measurements based on primary zircon in the granite not only define the age of emplacement...between these two important rock-groups. âą In 1926 Stahl coined the name Outjo Formation to include the rocks...of the Franzfontein Range (the unit designated ' Lowerâmainly dolomites' of Fig. 2 of this paper) together...carbonateclastic sequence of the eastern Kaokoveldt; Stahl (op. cit., p. 147) believed that these rocks were |  | | Book | | Te:x:t illustra.tions. Wrapper. (1908) LoNDON DISTRICT. 1 0 . Sus-So1Ls from a Sanitary point of view... .. . .. 5 KA.OLINS.-Great Britain, France, Germany, Austria, Sweden, Denmark, Spain, Portugal, Italy... .. . . .. . .. ,, 2. Map of the St. A ustell district .. . .. . .. . ... . âą. ,, 3. Map of part of Bodmin.... . .. ,, 4. Map of the Dartmoor Chi}?-a-clay district . . . .. . ... . .. ,, 5. Diagram of a Cornish...... . .. ,, 12. Geological map of St. Y rieix district . .. .. . . .. . .. ,, 13. Diagram of Quarrie8 |  | | Journal (article/letter/editorial) | | Godthaab (Black, L. P., et al.) 12 3 245 Gneiss, zircon, U/Pb, effects, weathering, Precambrian, Morton...30 Granite, Sr/Rb, relation, sedimentary rocks, lower Cambrian, United States, Massachusetts (Fairbairn...Igneous rocks, granite, metamorphic rocks, gneiss, zircon, whole rock, U/Pb, Sr/Rb, comparison, interpretation... data, isotopes, uranium, ratios, Precambrian, lower Paleozoic, Europe, Scotland, Carn Chuinneag (Pidgeon...rocks, metamorphic rocks, minerals, muscovite, zircon, Sr/Rb, K/Ar, Precambrian, Sahara (Ferrara, G. |  | Seidel, Eberhard, Okrusch, Martin, Kreuzer, Hans, Raschka, Helmut, Harre, Wilhelm (1976) Eo-Alpine Metamorphism in the Uppermost Unit of the Cretan Nappe System â Petrology and Geochronology. Contributions to Mineralogy and Petrology, 57 (3) 259-275 doi:10.1007/bf03542937 | Journal (article/letter/editorial) | | aphisches Institut, D-3300 Braunschweig, F.R. Germany Hans Kreuzer, Helmut Raschka, and Wilhelm Harre...Geowissenschaften und Rohstoffe, D-3000 Hannover 51, P.R. Germany Abstract. The uppermost unit of the Cretan nappe...origin. Accessory minerals are tourmaline, apatite, zircon, and opaques. Under the microscope, different textural...lip ~ lIy (brown). Accessories: Opaques, apatite, zircon. K/Ar-Dating Potassium was determined by an automatic...by some 20 0 C, if the water vapour pressure was lower than the total fluid pressure according to a ratio |  | | Book (edition) | | Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Earth Science Department / College of Science,...Feld 236, D-69120 Heidelberg, Germany Sodenstr. 19, D-12309 Berlin, Germany Graslitzer Str. 5, D-63791 Karlstein...Karlstein am Main, Germany Ludwig-Maximilians UniversitĂ€t, Department fĂŒr Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 MĂŒnchen, Germany Bundesanstalt fĂŒr Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Report (issue) | | permission of Christian Weise Verlag, Munich, Germany German Edition Isaias Casanova, a fan of the...Scovil photo © Christian Weise Verlag, Munich, Germany ISBN 3-921656-35-4 Printed in the United States...Asbestos, Richmond County, Quebec, Canada Paul Stahl specimen Jeff Scovil photo Dedicated to Michael...stone was cut by Bernd Cullman of Idar Oberstein, Germany. Aside from being a master lapidary, Cullman won...Austrian Alps have shown that some garnets in the "Lower Schieferhiille" grew as slowly as only 0.23 millimeters |  | | Journal (article/letter/editorial) | | of some of the finest crystallized specimens of zircon and titanite found in the state. Although first...including Steven Chamberlain, Bill Condon, Dean Stahl, Charlie Bowman, and Eric Edie. Jerry Van Velthuizen...collected this specimen in 1981. Specimen 19136. Stahl removed a single oligoclase crystal that weighed...anatase, as is the case for classical leucoxene. Zircon, ZrSiO4, forms tan prismatic crystals (figs. 25...cavities in oligoclase that originally contained zircon crystals to several centimeters are occasionally |  | | Journal (article/letter/editorial) | | ated on the northern limits of the English Lake District, has produced an assembly of minerals, in a geologically...three units: the oldest, the Skiddaw Slates, of lower to middle Ordovician age; the Borrowdale Volcanics...its northern and eastern limits by a Dinantian (lower Carboniferous) overlap of conglomerates and limestones...of titanite, wollastonite, diopside, microcline, zircon, and associated minerals occur in coarsely crystallized...Penfield quarry, Penfield, New York; one green and one black specimen from the Dundas quarry, Dundas, |  | | Journal (issue) | | ............... p. 7 Field trip report: Vulcan quarry ................ p. 8 Humor: So you wanna be a...frequently sphalerite from the Tri-State Mining District (Missouri/Kansas/Oklahoma). So I learned to detect...Hissong and me along for comic relief, to a limestone quarry in Danville, KY. For one short day, we collected...pyrite. It is sold in attractive polished slabs. Germany, Poland, and other parts of central Europe are...The Mineral Newsletter Schalenblende, Olkusz District, Poland. This 2-inch-high slab of schalenblende |  | | Book | | Carolathine, a material similar to allophane but lower in water content, was described by Sonnenschein...It is named from the locality, Askana, Ozurgety district, Georgia, vol- Transcaucasia. Belyankin, D....staurolite, the titanium oxide minerals, magnetite, zircon, cassiterite, topaz, tourmaline, garnet, and others...orthoclase and oligoclase), biotite, quartz, pyroxenes, zircon, and various other minerals typical of volcanic...Elbruss near which it is found in the Karatschaev district, Northern Caucasus. Grim (1942) questions the |  | | Journal (article/letter/editorial) | | Spitzen festhalteo. Dergleichen PinCelten (von Stahl) werden von den Blumenmachern gebraucht , und enden... Disttben, Orthoklas, Albit, Turmalin, Axinit, Zircon, Muskowit, Spinell, Alaun, Steinsalz usw. b. Negativ...Eiii ziemlich grofsblatterigcr Miickowit Ton Aschaffenburg gab weder beim Reiben l n i t Hirschleder, noch |  | | Journal (article/letter/editorial) | | Erlangen-NĂŒrnberg, Schlossgarten 5a, 91054 Erlangen, Germany. thomas.angerer@uibk.ac.at 1 2 Despite the strong...all Tösens district ore (except Hochjoch) defines a low-Mn/high-Hg group. Most Nauders district ore (Knappental...Stilleweg 2, Hannover Germany; present address: Kiebitzweg, 104, 30880 Laatzen, Germany 3 Department of Lithospheric...Geowissenschaften und Rohstoffe (BGR, Hannover, Germany) carried out a reconnaissance survey of a hitherto...capacities can be extrapolated reasonably well to lower temperatures, i.e. from 50K to absolute zero by |  | | Journal (article/letter/editorial) | | Ind., 27, 628. Eyer, P. Tin oxide substitute. Stahl u. Eisen, 28, 1097-9 (1908); C.A . , 2 , 3135. Tests...of the finished iron articles before enameling. Stahl u. Eisen, 29, 137-40 (1909); C. A , , 3, 878; J...28, 204. Griinwald, Julius. Cast iron enamels. Stahl u. Eisen, IW, 137; Sprechsaal, 43,485-7 (1910);...analytical methods are also given. Hartmann, A. Zircon enamel. Z. anorg. Chem., 1909, 178-227; Kerani...Ind., 30, 92. Griinwald, J. Cast iron enamels. Stahl u. Eisen, 30, 1201-6 (1910);J. SOL. Chem. Ind., |  | | Book (edition) | | Unisilicates Chrysolite Group Garnet Group Zircon Group 281 Vesuvianite, Epidote, etc Axinite ...scale to soapstone at the other. There is a still lower limit in liquids and gases; but of the hardness...the planes of the trisoctahedron in Fig. 21. The lower one of the three on the upper front solid angle...by a constant ratio, and the expression for the lower right one of the six planes will be 3c f & la. By...being here directly over those suppressed in the lower pyramid. APATITE. If the student will shade over |  | | Journal (article/letter/editorial) | | Wien 1962. 7. M. Schidlowski, Recrystallization of zircon as an indication of contact metamorphism, Nature...Tafeln, Stuttgart 1970. 42. M. Schidlowski, W. Stahl and G.C. Amstutz, Oxygen and carbon isotope abundances...1485â1490, TuÌbingen 1971. 44. M. Schidlowski und W. Stahl, Kohlenstoff- und Sauerstoff-Isotopenuntersuchungen...Precambrian uranium deposits of the Blind River District, Canada, Naturwissenschaften, 61, 449, Berlin...U. Wand, Stable carbon isotope fractionation in lower plants from the Schirmacher and Untersee Oases (central |  | | Journal (article/letter/editorial) | | associated with aesthetic smoky quartz, microcline, and zircon. However, with further collecting in more recent...12 (left). Arfvedsonite, 5.2 cm, associated with zircon, microcline, and quartz. Eric Farquharson specimen...corroded. Associated species include microcline, zircon, aegirine, and quartz. Arfvedsonite is also found...of the Zomba region, but a aegirine with small zircon crystals specimen was at the base, 9.1 cm. Karl...ROCKS & MINERALS Figure 20. A group of intergrown zircon crystals; the largest is 2.1 cm. Eric Farquharson |  | | Journal (issue) | | SEPTEMBERâOCTOBER 2022 Articles The Akchatau mine, Shet District, Karaganda, Kazakhstan..................573 by...mine, Wolfsberg, Harz Mountains, Sachsen-Anhalt, Germany.............................................615...recently he had been concentrating on the Tintic district in Utah and amassed many self-collected specimens...illustrated in his 1972 article on the Fairfax quarry in the Mineralogical Record, and on page 255 of...favorite collecting spots was the famous Auglaize quarry in Paulding County, Ohio. He kept meticulous records |  | | Report (issue) | | and Watanabe, Kasue. On the Matsukawa geothermal district in Iwate Prefecture--------------------------...method to sulfide ore occurrences of the Skellefte district in northern Sweden---------------------------...reflection measurements in the folded Molasse of Upper Bavaria-------------------------------------Clegg, J. A...measurements by the Amt fiir Bodenforschung in north Germany in 1952-1956-- 175-211 Diirschner, Horst. Synthetic...heat flow from the thermal areas of Taupo Sheet District (N 94)--------------------------------------- |  | | Journal (article/letter/editorial) | | 3392 Clausthal--Zellerfeld (Federal Republic of Germany) 2 Institute of Organic Chemistry, Technical University...3392 Clausthal--Zellerfeld (Federal Republic of Germany) (Received July 9, 1979; revised and accepted January...mineral phases like biotite, apatite, sphene and zircon. Due to the weathering during humid climatic conditions...biotite model age of 294.6 + 3.3 Ma was obtained (Stahl et al., 1973). The granite existing in the center...content as well. Radial-columnar tourmaline, apatite, zircon, sphene, and rutile were identified as accessory |  | | Journal (article/letter/editorial) | | Leibniz University, Welfengarten 1 D-30167 Hannover, Germany Abstract The Central European Variscides and their...with the leading raw materials sand plus gravel, quarry and dimension stones and limestones used for the...(Fig. 1). It has to be noted that among the term quarry and dimension stones there are also some hidden...rocks which formed the Precambrian through the Lower Carboniferous, when the Visean folding put an end...extension was at its maximum during the Devonian and Lower Carboniferous. Basic submarine volcanic activity |  | | Journal (article/letter/editorial) | | com/locate/epsl Constraining the cooling rate of the lower oceanic crust: a new approach applied to the Oman...Abstract Knowledge of the cooling rate of newly formed lower oceanic crust is critical in constraining models...this study we calculate the cooling rate of the lower oceanic crust based on the closure temperature of...temperatures shows that the cooling rates for the lower oceanic crust decrease with depth, changing rapidly...upper third of the gabbros but more slowly in the lower two-thirds. There is several orders of magnitude |
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