 | | Journal (article/letter/editorial) | | these inclusions are peridotite consisting of forsterite, enstatite, diopside, and spinel. Each of these...the residual solid materials may be composed of forsterite, enstatite, and diopside, together with small...melts incongruently, giving rise to crystals of forsterite and a liquid having a composition between MgSiO3...Enstatite. (8) FeSiO3, Ferrosilite. (8) Mg2SiO4, Forsterite. (10) Fe 2 Si0 4 , Fayalite. In case the amount...(Holmes & Harwood, 1937). Olivine basalt, Finkenberg, near Bonn, Germany (Frechen, 1948). Group C Nepheline |  | | Journal (article/letter/editorial) | | associated with other varieties in a basalt at Finkenberg near Bonn. At Dawros the associated changes in the...apparently approaches very closely the system diopside-forsterite-silica (Bowen, 37 . . . 1-3 + 74 ± 2° 1-674...Jagersfontein Mine or fissure Mexico U.S.A. U.S.A. Germany Austria Manchuria Japan Hawaiian Is. Hawaii Hawaii...BOWEN, N. L., 1914. The ternary system: diopside-forsterite-silica. Amer. Journ. Sci., xxxviii, 207-264....Webster-Addie ultramafic ring, Jackson county, North Carolina; and secondary alteration of its chromite |  | | Journal (article/letter/editorial) | | Universit/it Bonn, Lehrstuhl ftir Mineralogie und Kristallographie, PoppelsdorferSchlot3, 5300 Bonn, Germany...Hafner (1974) found, from M6ssbauer experiments on forsterite, statistical distribution of F 3÷ between the...Maar-volcano of the West-Eifel, Federal Republic of Germany. In this area olivines of different composition...the Deutsche Forschungsgemeinschaft, Bonn-Bad Godesberg, West-Germany, which is gratefully acknowledged...: Electron Paramagnetic Resonance of Fe 3+ in Forsterite (Mg2SiO4). J. Chem. Phys. 58, 3722-3726 (1973) |  | | 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...Rurstrage 20, D-5000 K61n 41, Federal Republic of Germany and Al-augite group (Irving, 1974). Recognizing...Cr-diopside and olivine standards from Dreiser-Weiher, Germany, were analysed by the author. The concentrations |  | | 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...crushed olivines ranging in composition from forsterite to fayalite. He found that the predominant planar...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 |  | | 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 ]...Trask, Distribution of ultramafic xenoliths at 12 North American sites, U.S. Geol. Surv. lnteragency Rep...Olivinausscheidungen yore Dreiser Weiher (Eifel) und Finkenberg (Siebengebirge), Neues Jahrb. Mineral. Geol. |  | | 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...resonance studies of synthetic clinoenstatite and forsterite doped with Gd3+. However, in his experiments...tite nodules were supplied by Prof. J. Frechen, Bonn (samples Ib/- . from Dreiser Weiher) and Drs. E |  | | Journal (article/letter/editorial) | | situated in the sub-tetrahedron nepheline-albite-forsterite-diopside; the potassium-rich development is situated...situated in the quartz-albite-forsterite-diopsidesubtetrahedron. The two developments are therefore separated...Olivinausscheidungen vom Dreiser Weiher (Eifel) und Finkenberg (Siebengebirge). I~eues Jahrb. Mineral. Geol |  | | Journal (article/letter/editorial) | | 90-91% of the Mg2SiO4 molecule, and lie in the forsterite region. The compositions were also determined...Olivinausscheidungen yon Drciser Weiher (Eifel) und Finkenberg (Siebengebirge). Neues Jahrb. Min. Abt. A, vol |  | | Journal (article/letter/editorial) | | frfihmagmatische Bildung der Olivinausscheidungen vom Finkenberg (Siebengebirge) und Dreiser Weiher (Eifel). -...dates and the cenozoic mammalian chronology of North America. - Amer. Journ. Sci., t. 262, p. 145. FORBES...Olivinausscheidungen vom Dreiser Weiher (Eifel) und Finkenberg (Siebengebirge). - - N. Jh. Mineral Abho, vol...F . & TAIT, D.B. (1952): The system diopside-forsterite-anorthite. - Amer. Jouru. Sci., vol. Bowen-2...Buchdruckerei Felix Krais Stuttgart. - - Priffted in Germany 1968. 655 |  | | 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) | | Brazil, Central India, Western Australia and Western North America. Typically they occur in the Precambrian...contain over 90 per cent of the enstatite and forsterite components respectively(Table 13). They appear...Olivinausscheidungen von Dreiser Weiher (Eifel) und Finkenberg (Siebengebirge). Neues Jafub. Mineral' 794,317-406 |  | | Book (volume) | | continuous series between the two end-members Mg2Si04 (forsterite) and Fe2Si04 (fayalite): the fayalite-knebelite...series also shows complete sohd solution. In the forsterite-fayahte series, however, manganese occurs only...from the ideal composition, and members of the forsterite-fayahte series in general do not contain appreci¬... (Mg,Fe)2[Si04] Olivine ORTHORHOMBIC ( + )(—) Forsterite Fayalite Mg2Si04 Fe2Si04 1-635 p 1-651 y...continuous variation. t Values for synthetic forsterite and fayalite (Yoder & Saharna, 1957). Olivine |  | | 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...pyroxenes. The compositions of the eutectics between forsterite and diopside or pyrope lie so far toward the...in the simplified quaternary system diopside-forsterite-nepheline-quartz in Figure 6.3 (Fe is not included)...compositions of most basalts plot near the plane forsterite-albite-diopside. Since they represent mixtures |  | | 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 |  | | Book | | THE PRE-CAMBRIAN IN NORTH AFRICA • Digitized by the Internet Archive in 2023 with funding from...Photography by ltoman T(arpoff THE PRE-CAMBRIAN IN NORTH AFRICA BY • • H. M. E. SCHURMANN PH. D. W ITH...184 185 188 195 PRE-CA'rlIBRIAN SECTIONS IN NORTH AFRICA 216 Haggar, Charnockite, Gour Oumelalen...I V. MINERAL RESOURCES OF THE PRE-CAMBRIAN IN NORTH AFRICA Haggar . . . . . . . . . . . . . Mineral...Egypt . . . . . . . . . . . . . . I. XV. THE NORTH AFRICAN PRE-CAMBRIAN . XI 243 243 243 250 254 |  | | Book (volume) | | Member p O 3 (gm/cm ) Formula Formula Forsterite Forsterite Fayalite Fayalite Orthoenstatite Orthoenstatite...derivatives of single-crystal olivine and singlecrystal forsterite, J. Geophys. Res., 74, 5961-5972, 1969. Kuno...Lesotho Kimberlites, edited tion and free air North Atlantic the thickness gravity anomalies in the...(such as anorthite, kyanite, quartz or spinel, forsterite) on either side of the CaSiO•-MgSiO3-A1203 plane...corundum (Cor, A1203); kyanite (Kya, A125i05); forsterite (For, Mg2Si04); anorthite (Anr, CaA125i208); |  | | 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...compared to those of Webster, Dun Mountain and North Carolina. PETEOLOGY AND PETROGENESIS OF SOME GAENETIFEROUS...Cordilleran-Appalachian type of the Urals, Borneo, North America, Australia, 3. Indo-Brazilian type, found...America (Draper 1924) and kimberlite is known from North America (Miser and Ross 1922). Eclogite-bearing |  | | Journal (volume) | | Brauns, Th. Liebisch, E. Hennig, J.F. Pompeckj in Bonn in Berlin in Tübingen Jahrgang in Berlin 1920...aus dem Mineralogischen Institut der Universität Bonn. 335. R. Brauns: Die in Deutschland nachweisbaren...Universität Bonn. in Deutschland Reste etc. Institut der Reste des un- Eisens. in Bonn. Im Jahre...spätere Vertreter der Mineralogie an der Universität Bonn (seit 1818), auf seinen Bereisungen der Eifel nach...von SHEPARD an 6 R. Brauns, „Bitburg, Lower Rhine, Prussia. This specimen came from the original and |  | | Book | | Congress Catalog Card No. 66-17809 Printed in Germany 08 011635 3 PREFACE TO THE T H I R D (GERMAN)...G. FRIEDRICH, Aachen, Germany H . FROHBERG, Toronto, Canada R. L A GANZA, North Adelaide, S. Australia...Pullman, Washington R. A. ZIMMERMANN, Heidelberg, Germany 2 Bamdohr, Theorie Minerals XVÜ ABBREVIATIONS... FIG. 2 y2 X , drawing Sohland on the Spree, Germany 6 RAMDOHR So-called "pipe ore". The drops of...DEPOSITS F I G . 18 550 X, oil. imm. Finkenberg near Bonn, Germany RAMDOHR Sphalerite from a basalt inclusion |  | | 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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Finkenberg, Bonn, Cologne, North Rhine-Westphalia, Germany