ETH Zurich

E–Periodica Schweizer Zeitschriften online. Revues suisses en ligne. Swiss journals online.

Zeitschrift
Band 71 (1991)
Heft 1 _
Artikel: Emilie Jäger : early days in Washington 1
Artikel: Sr-Nd-Pb isotope data for Fuerteventura (Canary Islands) basal complex and subaerial volcanics : applications to magma genesis and evolution 3
Artikel: Isotopic (Rb-Sr and Sm-Nd) and geochemical studies of the metamorphosed volcanic rocks in the metamorphic series below the Semail ophiolite in the Dibba zone (United Arab Emirates) 19
Artikel: Sr, Nd and O isotopic characterization of the Gophu La and Gumburanjun leucogranites (High Himalaya) 35
Artikel: Contrasting REE characteristics in meta-lamprophyres from Variscan massifs of the Central Swiss Alps and REE patterns in lamprophyres from Variscan terranes of Western Europe 53
Artikel: Spaltspuren in Apatit und Zirkon : Schlüssel zur Niedertemperatur- und Hebungsgeschichte der Alpen 63
Artikel: A hornblende 39Ar-40Ar age traverse of the Bregaglia tonalite (southeast Central Alps) 73
Artikel: K-Ar and Rb-Sr age determinations on micas of impure marbles of Naxos, Greece : the influence of metamorphic fluids and lithology on the blocking temperature 89
Artikel: K-Ar dating of manganese minerals from the Eisenbach region, Black Forest, southwest Germany 101
Artikel: Rb-Sr and oxygen isotope geochemistry on a complex Proterozoic intrusive, Vaaraslahti, Finland 115
Artikel: Isotope data of metarodingites and associated rocks from the Lanzo and the Bracco ophiolitic massifs : indications on the evolution of the Alpino-type ultramafic-mafic complexes 125
Artikel: Distribution of exchangeable cations in Mesozoic and Permo-Carboniferous sediments in the subsurface of Northern Switzerland 143
Artikel: Preparation and cell refinement of mica microsamples 151
Artikel: Crystallinity distribution and crytallinity - b0 relationships in white K-micas of Verrucano metasediments (Northern Apennines, Italy) 161
Buchbesprechung 169
Inhaltsverzeichnis _
Heft 2 _
Artikel: Paradoxes of the mantle lithosphere underneath Archaean continents and models for its origin 175
Artikel: Tectono-thermal history of Hartford, Deerfield, Newark and Taylorsville Basins, eastern United States, using fission-track-analysis 187
Artikel: Excess Ar geochemistry in potassic volcanites 205
Artikel: Geochronology and Sr isotope geochemistry of late-Hercynian dykes from Sardinia 221
Artikel: Eclogitic shear zones in a granulite-facies anorthosite complex : field relationships and an emplacement scenario : an example from the Bergen Arcs, Western Norway 231
Artikel: Geochemistry of clinopyroxenes in plutonic and volcanic sequences from the Yanbian Proterozoic ophiolites (Sichuan Province, China) : petrogenetic and geotectonic implications 243
Artikel: Relics of high pressure metamorphism in the Lepontine Alps (Switzerland) : 40Ar/39Ar and microprobe analyses on white K-micas 261
Artikel: Analyses K-Ar, Rb-Sr et minéralogiques des fractions argileuses de sédiments quaternaires, Atlantique N-E : résultats préliminaires 275
Artikel: La microplaque de l'île de Pâques (Pacifique Sud Oriental) : variations isotopiques Pb-Sr-Nd 281
Artikel: Pillow lavas : comparaisons entre le paléovolcanisme et les coulées des dorsales océaniques 287
Artikel: Mafic-ultramafic rock associations in the Aar, Gotthard and Tavetsch massifs of the Helvetic domain in the Central Swiss Alps : markers of ophiolitic pre-Variscan sutures, reworked by polymetamorphic events? 295
Artikel: Superstructures, (Si,Al) and H2O ordering in armenite BaCa2Al6Si9O30 • 2H2O 301
Artikel: Compte-rendu de l'excursion de la Société suisse de minéralogie et pétrographie dans le Queyras (zone piémontaise des Alpes cottiennes françaises) et le Champsaur (zone externe des Alpes occidentales françaises), Hautes-Alpes, France (1-3 octobre 1990) 305
Vereinsnachrichten: Bericht über die 65. Hauptversammlung der Schweizerischen Mineralogischen und Petrographischen Gesellschaft in Genf 325
Inhaltsverzeichnis _
Heft 3 _
Artikel: An uranium series disequilibrium investigetion of reduction spheroids in red beds 333
Artikel: La présence de Sb-rutile dans les concentrations manganésifères de St. Marcel-Praborna (V. Aoste - Italie) 341
Artikel: Columbite (Fe,Mn)(Nb,Ta)2O6 in the pegmatites of the calc-alkaline Bergell intrusion (southest Central Alps) 349
Artikel: The plutonic rocks of the Meissen massif (Germany) : evidence for open and closed system fractionation processes 371
Artikel: Geochemistry and tectonic significance of Late Hercynian potassic and ultrapotassic magmatism in the Aar Massif (Central Alps) 391
Artikel: The reaction between olivine and plagioclase as a consequence of fluid-rock interactions during sub-seafloor metamorphism (Al-Mg-gabbros, Northern Apennine ophiolites, Italy) 405
Artikel: Eclogites from the Minugrat, Siviez-Mischabel nappe (Valais, Switzerland) 415
Artikel: The formation of fibrolite nodules in a package of melanocratic gneisses from the Hercynian basement of NE Sardinia, Italy 427
Artikel: Relics of high-pressure metamorphism in different lithologies of the Central Alps, an updated inventory 441
Artikel: Deconvolution of the first "illite" basal reflection 453
Artikel: Solid solutions in mineral nomenclature 463
Rubrik: New minerals recently approved by the Commission on New Minerals and Mineral Names, International Mineralogical Association 467
Vereinsnachrichten: 67. Ordentliche Generalversammlung 1992 in Basel 473
Vereinsnachrichten: IMA NEWS 476
Register: Author Index, Keyword Index 477
Register: Jahresinhaltsverzeichnis 485
Inhaltsverzeichnis _