 | | Journal (article/letter/editorial) | | THE NATURAL HISTORY OF CORDIERITE AND ITS ASSOCIATES. By J. J. H TEALL, M.A., E.R.S., F.G.S. (Prcsiden...companions "--corundum, spinelle, sillimanite, and cordierite. Corundum is crystallised alumina (AI2 0 3 )...plus silica; and corundum. cordierite is spinelle plus silica. Cordierite crystallises in the orthorhombic...thus a marked difference in habit between the cordierite of the gneisses and contact-rocks, on the one...that of the volcanic locks on the other. The cordierite of the volcanic rocks is, moreover, often pleochroic |  | | Journal (article/letter/editorial) | | 1899 SCIENTIFIC AMERICAN, INC. HISTORY ITS OF CORDIERITE ASSOCIATES. * THE last quarter of the present...origin of corundum, spinelle, sillimanite and cordierite-four minerals which are so frequently found together...complicate the composition of the spine lies and cordierite. All the minerals contain alu mina, and it is...intermixture of igneous and sedimentary material. Cordierite-rocks, often containing sillimanite and a green...tonalite of Monte Aviolo; in the kersantite-dike of Michaelstein in thf' Hartz; in the andesitic la\'as of the |  | | Journal (article/letter/editorial) | | SCIENTIFIC AMERICAN, INC. 19415 NATURAL HISTORY OF CORDIERITE AND ITS ASSOCIATES. * THE last quarter of the...origin of corundum, spinelle, sillimanite and cordierite-four minerals which are so freq uently found...is the silicate of alumina (AI,O•. SiO,), and cordierite is a silicate of alumina and magnesia (2MgO.2Al...complicate the composition of the spine lies and cordierite. All the minerals contain alu mina, and it is...intermixture of igneous and sedimentary material. Cordierite-rocks, often containing sillimanite and a green |  | | Journal (article/letter/editorial) | | 1899 SCIENTIFIC AMERICAN, INC. HISTORY ITS OF CORDIERITE ASSOCIATES. * THE last quarter of the present...origin of corundum, spinelle, sillimanite and cordierite-four minerals which are so frequently found together...complicate the composition of the spine lies and cordierite. All the minerals contain alu mina, and it is...tonalite of Monte Aviolo; in the kersantite-dike of Michaelstein in thf' Hartz; in the andesitic la\'as of the...very largely of a cordierite-gneiss froin whicb the isolated grains of cordierite have been derived, |  | | Journal (article/letter/editorial) | | metamorphic minerals as corundum, spinel, sillimanite, cordierite, and anorthite make these inclusions in themselves...appear to be represented in the kersantite of Michaelstein, 1 which forms a dyke of obviously mixed igneous... and by the separation of minute crystals of cordierite. A beautiful example of the ready fusion of the...sillimanite- and cordierite-buchites. (2) The anorthite-corundum-spinel assemblage. (3) The cordierite-sillimanite-spinel...characteristic crystalline phases, such as sillimanite, cordierite, etc. They are 1 See H. H. Thomas, A. F. Hallimond |  | | Report (volume) | | aggregates of gabbros at Frankenstein and Veltlin, Germany, referred to on page 63. CORUNDUM IN PLUMASITE...andesites, and basalts of the Siebengebirge, in Germany, as described by Dannenberg,0 also contain corundum...granulite. A hornblende-andesite of the Eifel, Germany, as described by Dr. F. Vogelsang,6 contains numerous...numerous granular aggregates of cordierite, andalusite, sillimanite, feldspar, biotite, corundum, spinel...rocks of Lower Devonian age at Michaelstein, in the Harz Mountains, Germany, and contains numerous inclusions |  | | Report (issue) | | Central zone, including Norway, Sweden, Finland, Germany, STATEMENT OF BATING. 65 Austria, Hungary,...arranged in a general order from north to south (in Germany from west to east). In rocks from the same locality...pantellerite of Khagiar. In almerose is found the cordierite-audesite of Cabo de Gata. 78 CHEMICAL ANALYSES...section texiare belong nephelite-basalts of Texas and Saxony, with melilite-basalts of the Hegau and Westphalia...1.4 hy 1.3 mt 0.9 Alvensleben, n. Magdeburg, Saxony. Hampe. F. Klockmann, Jb. Pr. G. L-A., XI, p |  | | Report (volume) | | introduction of olivine it passes in places into harz- burgite, and by the elimination of the enstatite...chrysotile. By the introduction of olivine, however, the harz¬ burgite facies is developed, and some portions...aggregates in gabbros at Frankenstein and Yeltlin, Germany, referred to on page 228. CORUNDUM IN ANDESITE...andesites, and basalts of the Siebengebirge, in Germany, as described by Dr. A. Dannenberg,16 also contain...Eifel, Germany, described by Dr. F. Vogelsang,17 contains numerous granular aggregates of cordierite, anda¬ |  | | Book (volume) | | Nuremberg, 1947-1948 USE LG. Farben Trial, Nuremberg, Germany, 1947-1948 Interstate 75 1-77 USE Interstate...China) I-hsing Interstate : USE Nuremberg, Germany, 1947-1948 Subsequent proceedings, Nuremberg War...case no. 6 Nuremberg War Crime Trials, Nuremberg, Germany, 1946-1949 I-hadja (African people) 1-94 Ir...Aktiengesellschaft Trial, 1-83 (Pa. USE Nuremberg, Germany, 1947- Farben Trial, Nuremberg, 19471948 [Former...Iberl Buhne (Munich, Germany) Georg Maiers Germany) Iberl BUhne (Munich, — Germany IBERMARC USE MARC |  | | Book (volume) | | Rösten kieseliger Eisenerze , z. B. in Iberg am Harz , wenn der von Quarz durchsetzte Siderit zu stark...Kupferhüttenprocess , z. B. zu Lautenthal und Ocker am Harz, Dillenburg in Nassau, Röra in Norwegen und Fahlun...Eisenthongranat. c) Grube Andreasort bei Andreasberg am Harz. Auf Kalkspath aufgewachsen hellgelblichgrüne Krystalle...(BLUM, Pseudom. 3. Nachtr. 1863, 92). b) Ilfeld am Harz. Im Porphyrit blutrothe , unregelmässig begrenzte...Schmiedefeld bei Suhl am Thüringer Walde vor. Am Harz bricht gelbbrauner Granat , Dichte 3-871 , Analyse |  | | Book (volume) | | On the Staff of the Carl Zeiss Factory, Jena, Germany. P. A. K. Prince Peter Alexeivitch Kropotkin...only other artists who have risen to eminence. Germany.—A characteristically florid style is here cultivated...formerly called aft-er St Boniface, the apostle of Germany, was once the richest in Friesland, and belonged...in Crete; of Pope Leo XIII., in 1885, between Germany and Spain in the matter of the Caroline Islands...distinct appellation. It first took its rise in Germany, and more tardily received recognition in Great |  | | Book | | 11 Geology 288 355 Bibliography-France 356 Germany 356 Bibliography-German~ 356 Greece 356 Bibliography-Greece...New York, for info & phocos. • Martin Steinbach, Germany, for specimens and lots of crazy ci.mes. • Robert...specirnen while remaining seated, are popular in Germany. Vertical models are common in the USA. I prefer...Rubine--Eigensch11.ften und Besrimmung. Sturrgart, Germany, E. Schweizerbarr'sche Verlagsbuchhand lung (Nagele...1957, the Wiedes Carbidwerke ofFreyung, (West] Germany, began selling synrhetic scar corundums (' Stars |
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