PETROLOGY, GEOCHEMISTRY AND Sr-Nd ISOTOPES OF THE PALEOPROTEROZOIC MAFIC DYKES FROM THE GOIÁS-CRIXÁS ARCHEAN BLOCK, GOIÁS STATE, BRAZIL
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چکیده
منابع مشابه
Petrology, geochemistry, and petrogenesis of mafic dykes from the Kermanshah Ophiolite in Sahneh-Harsin area of Western Iran
The Kermanshah ophiolite complex is a part of the Mediterranean–Zagros–Oman Tethyan ophiolites, located in the structural–tectonic zone of western Iran in the northern part of the Zagros main thrust. Doleritic sheeted dykes are well exposed within the ophiolite in the south of Sahneh. These dykes contain high MgO, Na2O, low TiO2 (2O5, and K2O contents, and high FeOt/MgO and LILE/HFSE ratios. Th...
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ژورنال
عنوان ژورنال: Revista Brasileira de Geociências
سال: 2005
ISSN: 0375-7536
DOI: 10.25249/0375-7536.2005351135150