Results 61 to 70 of about 3,223 (190)

Zircons from a Pegmatite Cutting Eclogite (Gridino, Belomorian Mobile Belt): U-Pb-O and Trace Element Constraints on Eclogite Metamorphism and Fluid Activity

open access: yesGeosciences, 2020
This report presents new data on U-Pb geochronology, oxygen isotopes, and trace element composition of zircon from a pegmatite vein crosscutting an eclogite boudin on Stolbikha Island, Gridino area, Belomorian mobile belt (BMB).
Sergey G. Skublov   +6 more
doaj   +1 more source

Petrological and mineral-chemical variations in blueschist facies metasedimentary rocks from a single outcrop in the lower complex of the Bôrka Nappe (Meliata Unit, Western Carpathians, Slovak Republic) [PDF]

open access: yes, 2008
A detailed petrographic and mineral-chemical study on metapelites from the Meliatic accretionary wedge complex (Bôrka Nappe, Western Carpathians, Slovak Republic) reveals the HP character of the samples using quantitative phase diagrams contoured with ...
Horváth, Péter, Kronome, Balázs
core   +1 more source

Geochemistry of metabasites and element mobility [PDF]

open access: yes, 1988
No abstract ...
Schüssler, U.   +3 more
openaire   +1 more source

EVOLUTIONARY MODEL OF THE MELIATA BLUESCHISTS [PDF]

open access: yesActa Montanistica Slovaca, 1997
The Meliata blueschists are subdivided into four groups which are characterized by different litholo-gies and metamorphic histories: (1) Marbles, intercalated with metabasalts and glaucophane-bearing phyllites.
Shah Wali Faryad
doaj  

Geology and Petrograpby of the Yamato Sanmyaku, East Antarctica [PDF]

open access: yes, 1965
The Yamato Sanmyaku is a mountain range located at about 200km south of the Prins Harald Kyst, East Antarctica. The range forms an arcuate chain, extending 50km north-south, comprising seven massifs temporarily named A, B, C, D, E, F and G.
Koshiro KIZAKI   +1 more
core   +1 more source

The pre-Alpine tectonic history of the Austroalpine continental basement in the Valpelline unit (Western Italian Alps) [PDF]

open access: yes, 2017
The Valpelline unit is a large slice of continental crust constituting the Austroalpine Dent Blanche nappe (NW Italy). The pre-Alpine evolution of this unit holds important clues about the Palaeozoic crustal structure at the northern margin of the Adria ...
MANZOTTI, PAOLA, ZUCALI, MICHELE
core  

Raw materials for Neolithic ground tools from the extraction fields at Bílý Kámen Hill, Central Bohemia

open access: yesArcheologické Rozhledy
The assemblage of ground tools and their fragments from the site of Bílý Kámen Hill near the town of Sázava (Czech Republic, Central Bohemia) is one of the largest chronologically uniform collections in Central Europe.
Pavel Burgert   +2 more
doaj   +1 more source

Geology and Petrography of the Northern Yamato Mountains, East Antarctica (Earth Sciences) [PDF]

open access: yes, 1977
In the northern Yamato Mountains, there are two groups of rocks. One is the syenite gneiss group which was metamorphosed under the granulite facies conditions.
Kazuyuki SHIRAISHI
core   +1 more source

Gravity and magnetic anomalies in the allochthonous Órdenes Complex (Variscan belt, northwest Spain): Assessing its internal structure and thickness [PDF]

open access: yes, 2012
The Órdenes Complex is the largest Variscan allochthonous structure of NW Iberia, and preserves the suture of a long-standing Paleozoic ocean, probably the Rheic.
Ayarza, Puy .   +6 more
core   +1 more source

Tectonics and Petrograpby of the East Ongul Islana, Lutzow-Holm Bukt, Antarctica [PDF]

open access: yes, 1964
The East Ongul Island on the coast of the Lutzow-Holm Bukt, East Antarctica, was investigated from the tectonical and petrographical points of view.
Koshiro KIZAKI   +1 more
core   +1 more source

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