Garnet pyroxenite in the Biskupice peridotite, Bohemian Massif: anatomy of a Variscan high-pressure cumulate

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F13%3A10139589" target="_blank" >RIV/00216208:11310/13:10139589 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.3190/jgeosci.131" target="_blank" >http://dx.doi.org/10.3190/jgeosci.131</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3190/jgeosci.131" target="_blank" >10.3190/jgeosci.131</a>

Result language

angličtina

Original language name

Garnet pyroxenite in the Biskupice peridotite, Bohemian Massif: anatomy of a Variscan high-pressure cumulate

Original language description

A strongly layered garnet pyroxenite, consisting of cm-scale layers of garnetite, garnet orthopyroxenite, garnet clinopyroxenite, and websterite, occurs in the Biskupice garnet peridotite, which is located in migmatitic gneiss of the Gföhl Assemblage inthe Vysočina District, western Moravia. Major- and trace-element compositions and REE patterns of minerals and layers in the pyroxenite are consistent with origin of the layers by HT-HP crystallization and accumulation of variable proportions of garnet,orthopyroxene, and clinopyroxene. The present compositions of the minerals (pyroperich garnet, low-Al, low-Ca enstatite and low-Al, high-Ca diopside) are the result of extensive subsolidus re-equilibration at ~900 oC and ~37 kbar, during the Variscan (332 Ma) Orogeny. Neodymium and strontium isotopic values (?335Nd, +1.8 to +2.1; (87Sr/86Sr) 335, 0.7049) and negative HFSE anomalies indicate a crustal component in the melt from which the layers crystallized. Most garnet pyroxenites and ec

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

DB - Geology and mineralogy

OECD FORD branch

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Project

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Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2013

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Geosciences

ISSN

1802-6222

e-ISSN

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Volume of the periodical

58

Issue of the periodical within the volume

1

Country of publishing house

CA - CANADA

Number of pages

17

Pages from-to

3-19

UT code for WoS article

000324553000002

EID of the result in the Scopus database

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