 | | Journal (article/letter/editorial) | | places and noted the occurrence of large lithic basalt blocks within the lake area (1928, p. 316). He...produced by several dispersed eruptive centers. MICHELS (1952) semiquantitatively studied the petrography...Tephra in the Meerboden area, just northwest of Mendig (Fig. 6), calling the deposits "Meerboden Tuff"...Bell Kruft Meerboden ,~, NiederOberI "--L_r'~.--" Mendig I.... Auf Schruf o ,-o I , 2.0 km , T / '...scoria cones. Numbers 1-92 are locations of pumice quarries referred to in the text. ences in the heavy mineral |  | | Journal (article/letter/editorial) | | were to travel 2000 kilometres through Western Germany, set out on the journey which terminated at Cologne...limb of the Venn Anticline was first studied. Quarries at Bilster Miihle, north of the Kornelimiinster...(Massenkalk) of the Frasnian stage were seen in a quarry near Schmidthof. On one bedding plane occur numerous...especially P . pentagona Gold£. At the entrance of the quarry above the mas sive limestone, nodular limestone...reticularis L. and Orthis iwanowi Tschern . In a quarry south of Walheim Station a good secti on of the |  | | Journal (article/letter/editorial) | | Rhine, I took up Baedeker's Guide to Northern Germany, and observed a note, in very small type, which...had drawn our attention to certain outbursts of basalt which could be seen protracting from the cliffs...upwards to the higher grounds Vom Rath took us to a quarry by the roadside near the village, where there was...the ashes being used for road metal Many such quarries are to be found all throughout this district,...awful catastrophe as when standing in this very quarry. On the ridge above we came upon a deposit of an |  | | Book | | in many volcanic rocks — such as feldspar and leucite — crystallized in a magma chamber deep underground;...collectors and often used as decorative items. Basalt is the most abundant volcanic rock on Earth’s surface...rock, created when hot gases were trapped in the basalt lava as it a specimen. The minerals may have grown...solidify into an extrusive igneous rock such as basalt. Magma may also solidify very slowly beneath Earth’s...manganese oxide on limestone, Solnhofen, Bavaria, Germany * 11.5 x 24 x 0.5 om MINERALS: PRODUCTS OF A |  | | Journal (article/letter/editorial) | | OF THE LAHN SYNCLINE. VI. By Professor Franz Michels VII. X. 31 THE SIEBENGEBlRGE. By Professor...grey-blue to yellow colour. It is exposed in numerous quarries because it makes good road metal. Its thickness...diabase-tuffs become green-schists, acid 30 FRANZ MICHELS, eruptive rocks are transformed to sericite-gneiss...THE WESTERN PART OF THE LAHN SYNCLINE. By FRANZ MICHELS. Between the Lower Devonian of the Taunus and...(useful for silica bricks), plastic clay, etc. Basalt flows are widespread, especially in the direction |  | | Book | | of the Deutsches Bergbau-Museum in Bochum, West Germany, Professor J. C. Becker of the University of Copenhagen...USA, Fig. 93; German Mining Museum, Bochum, West Germany, Figs 19, 20, 42, 46, 52, 55, 56, 57, 81; Institute...USA Fig. 64; Museum of History, Cologne, West Germany, Fig. 69; Museo de Prehistoria, de la Excma, Valencia...Romisch-Germanisches Commission, Frankfurt, West Germany, (Germania), Figs 68, 98; Society of Antiquaries...Tundra in NW. Europe Forest pine in S. France and Germany Return to colder conditions Mesolithic — Holocene |  | | Journal (article/letter/editorial) | | Determination of the VelOCity of Light. By ALBERT A. MICHELS N, Mast.er, U. S. Navy. 12 figures. An elaborated...... . ..... ..... 170 Felspars, nepheline and leucite.. 167 Statistics. immigation . ........... 164... agricultural ...... ... 164 Tobacco pipes in Germany ... ... 16 4 Inventions, engineering ...... . |  | | Journal (article/letter/editorial) | | Determination of the VelOCity of Light. By ALBERT A. MICHELS N, Mast.er, U. S. Navy. 12 figures. An elaborated...... . ..... ..... 170 Felspars, nepheline and leucite.. 167 Statistics. immigation . ........... 164... agricultural ...... ... 164 Tobacco pipes in Germany ... ... 16 4 Inventions, engineering ...... . |  | | Journal (article/letter/editorial) | | inaccessible or out worked since long from many quarries and mines reflected is pseudomorphs in interest...xenoliths showing various stagesof replacementby leucite. geographer,was his assistant.rn 1924he returned...232-233. Partial fusion of granodioriteby intrusive basalt, OwensValley, California. Amer. J. Sci. (5thser...two years. The first year he spent in Dahlem, Germany, with the group at Herzog's Institute headed by...episode as follows: "Most of the Professorsin Germany valued their dignity very highly and to have disagreedwith |  | | Report (volume) | | Departement Taltal (Chile), Berlin, 1900. Semper and Michels, Die Salpeterindustrie Chiles: Zeitschr. f. Berg-...year; and in the deep grottoes of Mont Homburg, in Germany. In Italy it is afforded by the calcareous soil...describes an occurrence of potash niter in the Leucite Hills, Wyo., on North Table Butte, the summit of...149-151,173. * Cross, Whitman, Igneous rocks of the Leucite Hills and Pilot Butte, Wyo.: Am. Jour. Sci., 4th... Hecla, and other volcanoes. The lavas of the Leucite Hills contained fluorine, chlorine, and sulphurous |  | | Journal (issue) | | Ueber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim...ev a d a .............469 by J. C. Rota P int's quarry, Black H a w k C ou n ty, Iow a .................building over of localities, and in-filling of quarries. Similarly, notification of temporary exposures...in northward-trending quartz-stibnite veins in basalt which are apparently discontinuous, but locally...northwest-trend ing, southwest-dipping fault in altered basalt where cinnabar occurred as vein fillings and fracture |  | | Journal (article/letter/editorial) | | nugget I. The in Pacific ferromanpanesc of basalt and relative at Belbex, France mobilities of...phonolitic lavas from Nigerta, Australia, East Germany and New Zealand F. F. WEBER, JR and W. M. SACKETT...gneisses---I. A study from the Schwarzwald, West Germany H. MOSI:SCHUNG, W. BRANI)and PATRICKL. GRIZZLE...BENO~TVILLEMANT, fractional crystallization in the alkali basalt series ot HENRI JAFFREZIC,JEAN-LOUISJORON Chaine...1941,2161 Banda arc 989 Banting formation 1111 basalt 15,135,279,461,827,989,1235 1331,1529,1633,1687 |  | | Journal (article/letter/editorial) | | Determination of the VelOCity of Light. By ALBERT A. MICHELS N, Mast.er, U. S. Navy. 12 figures. An elaborated...... . ..... ..... 170 Felspars, nepheline and leucite.. 167 Statistics. immigation . .... ....... 164... agricultural ...... ... 164 Tobacco pipes in Germany ... ... 16 4 Inventions, engineering ...... . |  | | Report (issue) | | rock is of value in direct 96. Some analyses of leucite-basanite show 8lkalies ratio as it fulfills three...Marblehead Neck (Nos. 20 and 21, I. 4. 1. 3), the leucite banakite of the Yellowstone Park (Nos. 10 and 11...characters are the wyomingite and orendite of the Leucite I-Iills. In the wyomingite, although modally the...the only salic , .minerals visible are leucite and noselite, the analysis shows a large exce.ss of silica...though in practice one may be ciardi of Italian leucite-bearing rocks. One of these lenient and extend |  | | Report (volume) | | ............................................. Leucite and analcite.....................................:........................................ 443 Leucite rocks............................................as a constituent of the feldspars, micas, and leucite. Nearly all terrestrial waters contain potassium...potassium, and the saline beds near Stassfurt, Germany, are peculiarly rich in it. Praseodymium. A rare-earth...extremes the composition of a rhyolite and that of a basalt. In 100 rhyolites, as shown in Washington's tables |  | | Report (volume) | | The feldspars ________________._.___________ Leucite and analcite______i___________________ The uephelite... Nephelite rocks_____________________________ Leucite rocks. ________________..___________ Analcite ...as a constituent of the feldspars, micas, and leucite. Nearly all terrestrial waters contain potassium...potassium, and the saline beds at Stassfurt, Germany, are peculiarly rich in it. Praseodymium. A rare-earth...extremes the composition of a rhyolite and that of a basalt. In 100 rhyolites, as shown in Washington's tables |  | | Report (volume) | | ............................................. Leucite and analcite.................................................................................. Leucite rocks............................................as a constituent of the feldspars, micas, and leucite. Nearly all terrestrial waters contain potassium...potassium, and the saline beds near Stassfurt, Germany, are peculiarly rich in it. Praseodymium. A rare-earth...extremes the composition of a rhyolite and that of a basalt. In 100 rhyolites, as shown in Washington's tables |  | | Report (volume) | | ............................................. Leucite and analcite.....................................Continued. Composition of rocks Continued. Page. Leucite rocks............................................as a constituent of the feldspars, micas, and leucite. Nearly all terrestrial waters contain potassium...potassium, and the saline beds near Stassfurt, Germany, are peculiarly rich in it. Praseodymium. A rare-earth...average granite combined with that of an average basalt is almost identical with the average given by Washington |  | | Report (volume) | | 325 331 336 339 340 344 350 351 356 357 360 366 Leucite and anal cite ...................................Continued. Composition of rocks Continued. Page. Leucite rocks............................................as a constituent of the feldspars, micas, and leucite. Nearly all terrestrial waters contain potassium...potassium, and the saline beds near Stassfurt, Germany, are peculiarly rich in it. Praseodymium. A rare-earth...average granite combined with that of an average basalt is almost identical with the average given by Washington |  | | Book (edition) | | Canada; Mexico; Bolivia; Czechoslovakia; Norway; Germany; Tsumeb; Namibia; Chaiiarcillo, Chile; and Broken...occurrences are found in Chile, Italy, France, Germany, Turkey, and Algeria. SELECTED REFERENCES: Palache...also found at Johanngeorgenstadt, Saxony, East Germany. SELECTED REFERENCE: Davis, R. J., Hey, M. H ....the floor of the 910 foot level of the Commercial Quarry, Crestn1ore, California, associated with quartz...Ireland; and in the Laacher See District, West Germany. SELECTED REFERENCE: Switzer, G., and Bailey, E |  | | Report (volume) | | K., 1934a, The measurement of the viscosity of basalt glass at high temperatures, pt. 1: Imperial Academy... ---1934b, The measurement of the viscosity of basalt glass at high temperatures, pt. II: Imperial Academy...Book, v. 75, p. 615-618. ---1976b, Viscosities of basalt and andesite melts at high pressures: Journal of...Research, v. 68, p. 6337-6343. ---1969, Rheology of basalt in the melting range: Journal of Petrology, v.... Basalts Basalts 435 SYSTEM OLIVINE BASALT (VOGELSBURG, GERMANY) MEASUREMENT METHOD ROTATIONAL VISCOMETER |  | | Report (volume) | | vols. 1-18. New York. Science (edited by John Michels), vols. 1-2. New York. Scientific American Supplement...Philadelphia, Frazer, Lewis, H. C. Relations at serpentine quarry, Chester County, Pa., Brinton, J. H. South Mountain...deposits of Louisa County, Va., Church. Snowdon slate quarries, Campbell, J. L. and H. D. Goldminingin South...Monroe perior, Pettit. counties, Mich., Hubbard, B. Basalt; on northern shore of 1840. Third report of State...Hall, J. Lake Superior, Williams and Pipestone quarry of the NorthBlandy. west, Hayden. 1863. Geology |  | | Book (edition) | | Rocks and Minerals Argillaceous limestone Granite Basalt Feldspar Inferior Hardness Mica (H—aunder Apatite...black garnet is surrounded by a rim of coarsely quarry faces are striking in appearance, crystals with...an abrasive.” The garnet rock is removed by quarry benching methods. While the deposit has been...trmmmed, then further reduced and stacked. The Pike quarries have been producing scythestones for more than...described above. The Rartspon honestone (Germany) The SonneBerc (Germany) bluish green argillaceous schist |  | | Report (issue) | | granyte, a building stone from the Powervilie quarries, Morris Co., N. J.) (abstracted): New York Acad...Rept. State Geol. for 1881, pp. 11-19, 1881• 88. Quarry stones and statistics: New Jersey Geol. Survey...Charles F. 1. Green s_ilbite found at Prospect Park quarry (N, J.) : Rocks and Minerals, eel. 16, p. 284,...Drake,Harry Y. 1. On the pp. 170-172, 1943. 2. The quarry at Upper size of specimens: I_ocks and Minerals...29, pp. 217-234, 16 figs., 1910. 4. The Watehung basalt and the paragenesis of the zeolites and other secondary |  | | Report (Issue volume) | | Kaolin and china clay Other Diatomite Feldspar, leucite, nepheline syenite Fluorspar Gem stones (including...total. Production was by four companies operating quarries and calcining facilities in Shelby County. Both...companies reported dimension stone production from quarries in Franklin, Blount, and Talladega Counties. Output...blocks and cut and veneer stone from an underground quarry developed in the Rockwood Oolite member of the...was one of two underground dimension limestone quarries in the United States. Marble of Alabama Inc. |
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