 | | Journal (article/letter/editorial) | | occurrence and have long been known, especially in Germany' Everywhere the nodules show a remarkable uniformity...Mexico.. Ludlow, California. Dreiser Weiher, Eifel, Germany Kapfenstein, Austria. . Alaska..... AJrica Localities...z - Mineral Composition of Nodules from Finkenberg, near Bonn 700 703 706 707 708 709 710 3 . L o c...chemical analyses of the olivine, enstatite, chromian diopside, and chromian spinel from that locality indicated...materials from Kapfenstein, Austria; Dreiser Weiher, Germany; Peridot Cove,Arizona; and Salt Lake Crater, Oahu |  | | Journal (article/letter/editorial) | | associated with other varieties in a basalt at Finkenberg near Bonn. At Dawros the associated changes in the...a curious sequence exists between bronzite and diopside. At some points in the intrusion a wehrlite horizon...apparently approaches very closely the system diopside-forsterite-silica (Bowen, 37 . . . 1-3 +...Jagersfontein Mine or fissure Mexico U.S.A. U.S.A. Germany Austria Manchuria Japan Hawaiian Is. Hawaii Hawaii...REFERENCES BOWEN, N. L., 1914. The ternary system: diopside-forsterite-silica. Amer. Journ. Sci., xxxviii |  | | Journal (article/letter/editorial) | | peridotite consisting of forsterite, enstatite, diopside, and spinel. Each of these minerals has a uniform...host rocks (Ross, Foster, & Myers, 1954). The diopside and enstatite contain notable amounts of Al 3+...Part of Al 3+ in the octahedral position in the diopside combines with Na*~ to form the jadeite molecule...may be composed of forsterite, enstatite, and diopside, together with small proportions of plagioclase...UNDERSATUR ATED AND OVERSATU RATED MAGMAS Forsterile Diopside Enstatite Mg 2 SiO 4 Fe2SiO4 NaFeSi 2 O 6 NaAlSi |  | | Journal (article/letter/editorial) | | from the Oligocene Siebengebirge Volcanic Field (Germany): Implications for the Origin of Intracontinental...STEINMANN-INSTITUT, UNIVERSITA«T BONN, POPPELSDORFER SCHLOSS, 53115 BONN, GERMANY 2 OMYA DEVELOPMENT AG, BASLERSTRASSE...MINERALOGIE, ZU«LPICHER STR. 49A/B, 50674 KO«LN, GERMANY 5 INSTITUT FU«R MINERALOGIE, UNIVERSITA«T MU«NSTER...MU«NSTER, CORRENSSTRASSE 24, 48149 MU«NSTER, GERMANY RECEIVED JUNE 27, 2011; ACCEPTED JULY 11, 2012 ADVANCE...scenarios, either extensional tectonics in the north Alpine realm or upwelling of deep mantle material |  | | Journal (article/letter/editorial) | | Volcanoes of the Westeifel, Federal Republic of Germany Hans Jochem Becker* Mineralogisch-PetrographischesInstitut...Zfitpicherstr.49, D-5000 K61n 1, Federal Republic of Germany Abstract. The scoria cones of the Quarternary...maarvolcanoes of the Westeifel, Federal Republic of Germany, contain abundant ultramafic nodules, among which...forsteritic olivine and subordinate Al-orthopyroxene, Cr-diopside and Cr-spinel. They vary only slightly in modal...Rurstrage 20, D-5000 K61n 41, Federal Republic of Germany and Al-augite group (Irving, 1974). Recognizing |  | | Journal (article/letter/editorial) | | Ethiopia and eastern Africa, the Rhine Graben rift valley in West Germany, Lake Baikal in U.S.S.R. and Massif...in the Rio Grande Graben. Dreiser Weiher in the Rhine Graben, Auvergne in Massif Central, Lake Baikal...preparation] (2) Lake Baikal, U.S.S.R. [27] (3) Rhine Graben [28 30] (4) Massif Central, France [31 ]...olivine, aluruinous enstatite, aluminous chrome diopside and chromite-spinel. The host lavas are nepheline...and stretched diopside porphyroclasts is a unique feature of the more lherzolitic (diopside-rich) xenolith |  | | Journal (article/letter/editorial) | | AND PLANETARY SCIENCE LETTERS 7 (1969) 251-264. NORTH-HOLLAND PUBLISHING COMP., AMSTERDAM SHOCK-INDUCED...Ernst-Mach-lnstitu~ A u s s e n s ~ , We8 am Rhein, Germany Received 13 October 1969 Shock wave compression...method. used were Holtex (Fa. Nitrochemie, Aschau, Germany) and Composition B, respectively. A steplike geometry...of the olivine nodule is Dreiser Weiher, Eifel, Germany. The nodule consists of dominant olivine (about...and mechanical behavior of olivine, enstarite, diopside, labradorite, and pyrope garnet: tests of 920°C |  | | Journal (article/letter/editorial) | | nodules from the Dreiser Weiher vulcano (Eifel, Germany) is investigated by means of 36 Be determinations... The distribution curve between enstgtite and diopside is a straight line thus following Nernst's distribution...the other hand, the distribution curves between diopside ~nd olivine or enstatite and olivine are probably...and diopside. The Be contents of the minerals increase in the sequence olivine-enst~tite-diopside. 2....content of these minerals: In olivine, enstatire and diopside the Be content shows ~ positive linear correlation |  | | Journal (article/letter/editorial) | | s diopsides ehromif6res E n g r a i n s, le diopside des nodules est d ' u n b e a u v e r t - 6 m...est assez rare. La structure protoclastique d u diopside n e se m a r q u e pas, e o m m e pour les bronzites...c/ivages. Du point de vue chimique, il s'agit d ' u n diopside, dont les teneurs en chrome restent, plus faibles...n t u n p o i n t d e fusion m o i n s 61ev5 (diopside, 1393 ~ C; b r o n z i t e 1580 ~ C; olivine,...pyrox6nop6ridotique Couronne d'augite + Mg + Ca (Al) Diopside Fusion plus totale -- -- Couronne d'augite |  | | Journal (article/letter/editorial) | | Geochemie, Zfilpicher StraBe 49, D-5000 K61n 1, West Germany Abstract. The partitioning of divalent (Co, Ni)...spinel peridotites from Dreiser Weiher/Eifel (West Germany). These rocks have formerly been described by Frechen...from Meerfelder Maar (both localities: Eifel/West Germany). Samples SC-K1 to SCKI1 come from San Carlos/Arizona...group'. Finally, from Meerfelder Maar/Eifel (West Germany) three nodules were selected (sampIes Df...) two...several hydrous xenoliths from Meerfelder Maar (West Germany) are reflective of a young heating event (Kramm-Glade |  | | Journal (article/letter/editorial) | | crystal lapilli in tuff of Dreiser Weiher in Eifel, Germany, have been separated and chemically analysed. One...exposed near the town of Dreis in Eifel, West Germany. Petrography The mineral assemblages of the Dreiser...that they are distinctly different from chromian diopside in lherzolite inclusions: the former has higher...KEI~-ICHIROAOKIand Ixvo KUSHIRO: HIJIKATA and YAGI, 1967), and diopside makes complete solid solution with Ca-Tschermak's...01ivinausscheidungen vom Dreiser Weiher (Eifel) und Finkenberg (Siebengebirge). Neues Jahrb. Mineral., Abhandl |  | | Book | | entry under title: Plateau uplift. l. Geology- Germany (West)- Rbeinisches Schiefergebirge. l. Fuchs,...Springer-Verlag Berlin Heidelberg 1983 Printed in Germany The use of registered names, trademarks, etc. in... the Rhenish Massif east and west of the River Rhine). Seventeen geoscientists participated in a round-table...chosen a study area within the Federal Republic of Germany. Familiar exposures could now be reexamined with...Programme. D. Maronde De utsche Forschungsgemeinschaf t Bonn Acknowledgments This book contains the results |  | | Journal (article/letter/editorial) | | Transzendentale Strafle 49, D-5000 Kdln l/West Germany January 5, 198 1: accepted Geochemie, Ziilpicher...minerals from spine1 peridotite xenoliths from West Germany, the southwestern U.S. and Mongolia decrease in...from nodules from Dreiser Weiher/Westeifel (West Germany) which have been described by Frechen in 1948 and...of Gd3+ for Ca2+ was demonstrated for synthetic diopside by electron paramagnetic resonance studies made...tite nodules were supplied by Prof. J. Frechen, Bonn (samples Ib/- . from Dreiser Weiher) and Drs. E |  | | Journal (article/letter/editorial) | | the sub-tetrahedron nepheline-albite-forsterite-diopside; the potassium-rich development is situated in...the equilibrium thermal divide albiteforsterite--diopside at low pressures, Fig. 2. The pliocene atlantic...Olivinausscheidungen vom Dreiser Weiher (Eifel) und Finkenberg (Siebengebirge). I~eues Jahrb. Mineral. Geol |  | | Journal (article/letter/editorial) | | kimberiite minerals include ilmenite, pyrope, diopside (with probably omphacitic varieties) and the more...Brazil, Central India, Western Australia and Western North America. Typically they occur in the Precambrian...minerals Diamond, chrome diopside Kao No. 1 Diamond, chromite Dark green diopside Ihaba Putsoa Solane...Molibi's (Berea Plateau)t Chrome diopside Ngopetsoeur Chrome diopside I Adopted from Stockley (1947)...typically contain minerals, for example chrome-diopside, derived from "cognate" xenoliths which have been |  | | Book (edition) | | CHAP. MODE OF OCCURRENCE Ij dykes of the North of England and the dolerite West 13 of Scotland...in western -New Mexico, and the Bass Kock and North Berwick Law, in Haddingtonshire, may be cited. ...Igneous Geol. Surv., 1904, p. 209.) rocks of North Wales have an outcrop which indicates a laccolithic...23-43. The word sill for a flat bed Sill of the North of England. 3 is derived from the Great Whin...and Fife. The Whin Sill in the North of England is an intrusive North sheet of basic rock, which, though |  | | Book (edition) | | MODE OF OCCURRENCE 13 dolerite dykes of the North of England and the West of Scotland . Veins.— Veinsare...Geol. Surv. , 1904, p. 209. ) intrusive rocks of North Wales have an outcrop which indicates a laccolithic...bed is derived from the Great Whin Sill of the North of England. B 18 PHYSICAL CHARACTERS fication...Lake District, North Wales, Western Isles of Scotland, and Fife. The Whin Sill in the North of England...British Isles. Much of the beautiful scenery of North Wales and of the Lake District owes its origin to |  | | Journal (article/letter/editorial) | | bodies. Near the south end of the lake Viksvand, north of Grotli, and enclosed within the very thick sill...boulders on the outcrop of the large anorthosite sill north of Grotli. More than seventy masses of peridotite...peridotite, garnet-two pyroxene rock and garnet-chrome diopside rock. These rocks clearly belong to the eclogite...porphyroclasts of garnet and bent grains of chrome diopside remaining in a microcrystalline matrix of finely...Almklovdalen, Norway. Porphyroclasts of garnet and chrome-diopside in matrix of chromediopside. Scarce amphibole |  | | Journal (article/letter/editorial) | | WILLIAM S. FY~]E Between Conaquet and stream to North; 7025--2998, Le Puy sheet (south), 347 France; WILLIA~...FYFE Malpas-Cussac area; 72]--300, Le Puy sheet (north), France; WInLIAM S. FYFE 348 At lighthouse, Cape...d most other types of inclusions (see below). Diopside or augite; pigeonite was not found in inclusions...than 5 ram. I t is pale green in hand specimen. Diopside is the smallest and least abundant marie silicate...occur at several others. Clinopyroxene (iron-rich diopside, or augite) is emerald green or dark green, medium |  | | Book | | Gottingen, Germany Translated from the German by EGON ALTHAUS University of Karlsruhe, Germany Geosci...publications in the field of geochemistry. Gottingen, Germany Karl Hans Wedepohl June 1970 v ' Contents...Olivine, chromite ach., Augite ach., angrites Diopside-olivine ach., nakhalites Orthopyroxene-pigeonite-plagioclase...pigeonite, kamacite Augite, olivine, troilite Diopside, olivine, plagioclase Orthopyroxene, pigeonite...constituents of these inclusions are olivine, diopside, and orthopyroxene, with specific minor components |  | | Book (volume) | | for Black Forest read Odenwald. for Rhine Province read Westphalia. for in the Tirol read, Salzburg....Niederrheinische Gesellschaft fiir Natur und Heilkunde, Bonn. Sitzungsberichte 1851/54-1905. 1851/54-94 in Naturhistorischer...WestSitzungsberichte 1906-32/33. Verhandlungen: 1844-date. falens, Bonn. Naturaleza. Naturaleza, Mexico. Vol. 1-7, 1869-86;...volumes, 8vo, Bonn, 1847-54. Also an English edition pubSecond edition, 3 volumes, 8vo, Bonn, 1863/66. lished...1874. Harrisburg, 1875. Sadtler. " The Minerals of North Carolina," U. S. Geol. Sur., Bull. (1891). 74, 119 |  | | Journal (article/letter/editorial) | | from the Morgenstein Mine, Kreis Saaspte, in Westphalia, 548. Galenobismuthite, 689. Gallacetophenone...spar from the basalt of the .Finkenberg near Kiidinghofen, opposite Bonn, 550. Hedyphaiie containing baryta...-- from Ivanpah, California, 394. -- new, from North Carolina, 1017. --of unknown locality, in the Smithsonian...basalt of the Persanyer Gebirge, 793. localities in North Carolina, 1109. -locality, new and reniarkable,...minerals, crystallographic examination of, 398. North Sea Expedition, results of, 81. -- - - 0. Oats |  | | Book (volume) | | distribution coefficients 0 (2d) the 30 kb diopside-enstatite xenoliths as- (4) of Davis and...3.214 3. 214 4.393 4. 393 FeSi03 FeSi03 Diopside Diopside Jadeite Jadeitc Ureyite Ureyite Pyrope Pyrope...Figure 9 and Nehru and Wyllie's [1974] 30 kb diopside-enstatite solvus. The numbers on the curves... The Ca/Ca+ Mg index for clinopyroxenewas the diopside-enstatite the locations solvus of Nehru and...introduced by the uncertainty in the shape of the diopside-enstatite solvus and its probable dependence on |  | | Book (volume) | | anorthite-forsterite-silica (Andersen, 1915) and diopside-forsterite-silica (Bowen, 1914) and is confirmed...the first crystallization period. In the system diopside-forsterite-anorthite (Osborn and Tait, 1952) the...is 43-5 wt. per cent, anorthite, 49 per cent, diopside and 7-5 per cent, forsterite (Fig. 7). Spinel...Anorthite Fig. 7. Equilibrium diagram of the system diopside—forsterite—anorthite. Boundary curves in heavy...metamorphosed iron-rich sediments, Brocken, Harz, Germany (Ramdohr, 1927). Anal. J. Jakob. 20. Fayalite, |  | | Book | | 11 October, when the typhoon had already shifted north- westward, the ''Vityaz'' passed Luzon Island and...level that is approximately 100 m lower thanthat north of the crest, one again encounters analmost flat...hurricane advancing On the morning of from the north forced the ship to head southeastward. 4 January... of 6/7 January the ''Vityaz'' headed directly north. As soon as the weather improved, the ''Vityaz''...(5,349m); XII) West Australian (6,356m); XIII) North Australian (6,218m); XIV) Mozambique (5,778m); XV) |
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