 | | 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 .. . .. . .. . ... . •. ,, 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 |  | | 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....in volcanic ash. There are feldspar (commonly orthoclase and oligoclase), biotite, quartz, pyroxenes,...Elbruss near which it is found in the Karatschaev district, Northern Caucasus. Grim (1942) questions the...with small amounts of glass, quartz, microcline, orthoclase, albite, amphibole and biotite. Fuller's earth |  | | Journal (article/letter/editorial) | | low-grade amphibolite facies, on the other hand, orthoclase to intermediate microcline with highly variable...0.005--0.006. Sometimes a zonal structure with lower triclinicity exists at the rim. These undulatory...Universit~t Kiel, 28 Kiel, OlshausenstraBe 40--60, Germany; Prof. Dr. G. MORTEANI, Institut fiir Angewandte...Lagerstiittenforschung, i Berlin 12, Strage des 17. Juni 185, Germany. 422 P. RAASE et al. - - T h e potassic f e...oxygen isotope analyses (FRIEDRIGHSEN,MtiLLEn & STAHL,1973; HOERNES~ FRIEDRICHSEN,1974). The central part |  | | Journal (article/letter/editorial) | | between these two important rock-groups. • In 1926 Stahl coined the name Outjo Formation to include the rocks...of the Franzfontein Range (the unit designated ' Lower—mainly dolomites' of Fig. 2 of this paper) together...carbonateclastic sequence of the eastern Kaokoveldt; Stahl (op. cit., p. 147) believed that these rocks were...introduced, in deference to the pioneer work of Alfred Stahl, to include the correlative portions of the Otavi...manuscript in preparation) in the Outjo-Franzfontein district of northern South-West Africa (see Fig. 2), has |  | | Journal (article/letter/editorial) | | intrusions into the sedimentary-extrusive series of the Lower Carboniferous. They were formed in hypabyssal environments...and their tuffs were manifested by carbonate-orthoclase, c a r bonate-quartz-sericite metasomatites contain...gases (Colombo et a l . , 1965; Galimov, 1967; Stahl, 1968). This is expressed in the fact that in the...and -0. 53%, spec. 32 and 33). Calcite from the lower temperature quartz-carbonate p e r i pheral zone...underwent nornfels and skarn forma tion, but at lower temperatures — hydrothermal metasomatism with the |  | | Journal (article/letter/editorial) | | physical–chemical regime (North-Bavarian Kaolin Mining District, Germany) Harald G. Dill a,⁎, Stephan Kaufhold b, Angela...University, Welfengarten 1, D-30167 Hannover, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe, D-30631 Hannover, P.O. Box 510163, Germany c Bundesanstalt für Geowissenschaften und Rohstoffe,... Wilhelmstraße 25-30, Germany d Schönwalder Straße 60, D-13585 Berlin, Germany b a r t i c l e i n...Sedimentological–mineralogical facies Mesozoic SE Germany ⁎ Corresponding author. E-mail address: haralddill@web |  | | Book (edition) | | 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...is very similar in general form to Fig. 4, of orthoclase, which is monoclinic. This 46 CRYSTALLOG R...4. ORTHOCLASE. OLIGOCLASE. with one exception; but there is this difference, that in orthoclase, as |  | | Report (issue) | | reconnaissance of the Roselancl-Bryant portion of the district; and again in the spring of 190? in company with...began a general reconnaissa,nce of the entire district preparatory to systematic study and mapping. Mr...part of September in the district. Systematic study was begun in the district early in June, 1909, when...and elements as silicon, in some cases and, like lower valence elements in being tetravalent, with a zirconium...Survey reports. The statement follows:a "In this quarry occur several interesting minerals, the most rema |  | | Report (issue) | | Analytical procedure Mineral analyses General statement Lower Pottsville underclays in Goose Lake area, Grundy...bands in upper part and thin limestone layers in lower part 7. Limestone 6. Calcareous shale Black "fissile"...considerable detail are given for: (1) a series of lower Pottsville underclays from Grundy County, and (2)...carbonaceous material and slickensided fracture surfaces. LOWER POTTSVILLE UNDERCLAYS IN GOOSE LAKE AREA, GRUNDY...slickensided fracture surfaces than that in the lower part. Occasionally some of the uppermost clay is |  | | 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 |  | | Report (issue) | | BY JAROSLAV HYRSL AND ALFREDO PETROV The Poopo District ........................................................ 70 BY ALFREDO PETROV The Viloco Tin District: World-Class Cassiterite .......................Bolivia is a bit more than three times the size of Germany or twice the size of France. Bolivia is the poorest...was christened Harry species are known from the district, and Longabaugh ( 1867, Mont Clare, many, such...located high up where the view is best; it is located lower down where there is more oxygen, warmer temperatures |  | | Report (issue) | | Czechoslovakia Denmark . .. Finland ,. . . France . .. Germany . .. Italy . . . . .. Ju goslavia .. . .. . ....notable, occurrences are those of Czechoslovakia, Germany, France United States and Japan. 1, Residual deposits...out that the majority of china-clay deposits in Germany occur near beds of lignite. The relation between...der Kaolinlagerstatten in Deutschland, by ...il. Stahl; Archiv. fur Lagerstatten, Geol. Landesanstalt,...investigated, china-clay formed by the decomposition of orthoclase-felspar is g·enerally better adapted for uses |  | | Report (chapter) | | or shear on steep reverse ductile shear zones (Stahl 1992). The initiation of low-angle detachments in...thicknesses measured by the author in the Assynt district. (ii) Sketch column and key showing the structural...grades, felspathization of mica or albitization of orthoclase may occur as evidenced in higher temperature...leucocratic and mafic layers containing quartz, orthoclase, plagioclase, pyroxenes and amphiboles. The long...this deformation occurred are considered to be lower greenschist facies (250-350 ~ 5 - 9 km depth, e |  | | 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 Universität, Department für Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 München, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Journal (article/letter/editorial) | | e m i s t r y , Hexagonal Zinc Sulphide. By W. STAHL (Chem. Centr., 1888, 943, from Berg. Hutt. Zpit...blast furnace of the Sophia snielting work in the Lower Harz. It forms clear, wine-yellow, shining, hexagcnal...stratified rock, in which sericite, garnet, rutile, orthoclase, and specular iron ore occur as accessory constituents...investigations of the crystalline rocks of the district. The somewhat coarse-grained granite of the Forstgarkchen...Forstgarkchen contains oligoclase, orthoclase, and mica, analyses of which minerals are given. As further |  | | Journal (article/letter/editorial) | | 30 Granite, Sr/Rb, relation, sedimentary rocks, lower Cambrian, United States, Massachusetts (Fairbairn... data, isotopes, uranium, ratios, Precambrian, lower Paleozoic, Europe, Scotland, Carn Chuinneag (Pidgeon... gneiss, Sr/Rb, isochrons, data, metamorphism, lower Precambrian, Hebron Gneiss, Labrador (Barton, Jackson...rocks, gneiss, whole rock, Sr/Rb, isochrons, data, lower Precambrian, Archean, Labrador, Saglek Bay (Hurst...data, aureoles, metamorphism, contact, intrusions, lower Precambrian, Montana, south, Stillwater Complex |  | Neiva, Ana M. R., Neiva, João M. C., , , , (2005) Beryl from the granitic pegmatite at Namivo, Alto Ligonha, Mozambique. Neues Jahrbuch für Mineralogie - Abhandlungen, 181 (2) 173-182 doi:10.1127/0077-7757/2005/0015 | Journal (article/letter/editorial) | | and Mólucué rivers in the Zambézia, Mozambique district. The pegmatite cuts a Precambrian migmatitic paragneiss...Zone Major constituents Wall zone quartz, orthoclase, microcline, biotite Outer zone quartz, albite...– 10 cm 䊗 䉺 䊉 Inner zone albite, perthite orthoclase, microcline, muscovite, zinnwaldite, beryl, garnet...(Černý 2002), with interiors filled by quartz, orthoclase, muscovite and albite, but the hexagonal form...periclase (MgKα), rutile (TiKα), jadeite (NaKα) and orthoclase (Kα) and a precision of 1 % was obtained. Hand |  | | Book (edition) | | United States (nearly all localities), Canada, Germany, Norway, Sweden, Uganda, Tanganyika, Nyasaland...(1895) by about a decade. Bose (1884)! found in the Lower Narbada Valley in west central India masses “of...areas and also of similar rocks at Kaiserstuhl, Germany. ‘Either xenoliths of basalt or aggregates of silicate...restudied by Saether (1958); that of the Kaiserstuhl, Germany, by Wimmenauer samt, 1959; and his associates...Brazil; Fen, Norway; Alno, Sweden: Kaiserstuhl, Germany; Phalaborwa, South Africa; Chilwa Island, N yasaland; |  | | Journal (article/letter/editorial) | | magnetic pyrites, calcite, and, very rarely, orthoclase. With the exception of the microcline, all these...1884, 162). Celestine in Nautilus Aratus. By W. STAHL(Chem. Zeit., 11, 508- 509) .-The author has determined...variety of mica occurs on Aird Island, jn the district of Algoma, Canada, in a coarsely crystalline dolomite |  | | Journal (issue) | | Behnke Northbrook, JL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...Maybee/Scofield, Michigan, and the famous Auglaize quarry fluorite occurrence in Ohio). He frequented Martin’s...Benitoite, Gold L.A. County Paterson (NJ), Brumado district Museum, Himalaya mine $10 (Brazil), Bosch Collection...$10 v .15/#5 Jacupiranga mine (Brazil), Jensen quarry (CA), Cunha Baixa mine, Paulkerrite $10 .16/#4...Jeanbandyite. Bancroft (Ont.) $10 .15/#6 Bad Ems (Germany), Touissit Vanadinite, Hawleyite (IN), Fluorapatite |  | | Journal (article/letter/editorial) | | spatial distribution and origin of cements in Lower Miocene sands in the vicinity of the West Hackberry...salinity can be extracted from these logs. 4. Results Lower Miocene sands at West Hackberry are poorly-sorted...Feldspars, including plagioclase, microcline and orthoclase, are subangular to angular and relatively unaltered...Photomicrographs showing calcite textures from the Lower Miocene sands at West Hackberry. Cuttings are impregnated...TABLE I Isotopic composition of calcite cements Lower Miocene sandstones, West Hackberry salt dome, southwest |  | | Journal (article/letter/editorial) | | eutectie mixtures of quartz and orthoelase, and orthoclase and albite. Before proceeding with an account...glass-furnace to a temperature about the meltingpoint of orthoclase. After some time, the crucible was withdrawn...from 2"238 in the upper layers to 2"484 in the lower ; the silica being more abundant at the surface...this pupose. When the tube had been cleaned, its lower end was sealed up in the blowpipe-flame. The construction...crushed up, owing to the presence of porphyritic orthoclase-crystals. It was very hard to fuse, and had to |  | | Journal (article/letter/editorial) | | mineral occurs with smoky quartz, aegirine, and orthoclase. Epididymire was known several years ago from...2000. MinCralogie des pegmatites du mont Malosa, district de Zomba, Malawi. IR Rkgne Mineral 35:27-37. Cairncross...African Earth Sciences 20:275-88. Johnsen, O., K. StAhl, 0. V. Petersen, and H. I. Micheelsen. 1999. Structure...8. . 1994. Some pegmatite minerals from Zomba district, Malawi, Mineralogical Record 25:29-38. Petersen |  | | Journal (issue) | | 2023 Articles The Bairendaba Deposit, Keshiketen District, Inner Mongolia, China..........................363 by C. J. Stefano The Nakhlak Mine, Anarak District, Esfahan Province, Iran.........................50 years of collecting in the Cobalt, Ontario, District; being a true collector personality, he has also...tourmaline and purple apatite, the Consolidated Mining quarry in Georgetown for gem spodumene and tourmaline...May–June, 2023 Perhamite, 2.5 cm, from the Emmons quarry, Uncle Tom Mountain, Greenwood, Oxford County, |  | | Journal (article/letter/editorial) | | M.Pritehard. The Mbssbatmr spectrum ,',f iron orthocLase 259 Bru:llfelt, A.O., E.Steinn~s. Antimony content...N.Hanson Srinivasan. B.. se~ E.C.Alexande r jr. Stahl, W., Search for naturaL variations in c',dcium isotope |
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