Discovery of the eclogite and its petrography in the Northern Dabie Mountain |
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Authors: | Shutong Xu Yican Liu Wen Su Rucheng Wang Laili Jiang Weiping Wu |
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Institution: | (1) Anhui Institute of Geology, 230001 Hefei, China;(2) China University of Geosciences, 430074 Wuhan, China;(3) Nanjing University, 210008 Nanjing, China |
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Abstract: | Eclogite from the Northern Dabie Mountain is a new finding by the authors. These eclogites in foliated perdotite are enveloped
by banded gneiss and occur in the mafic-ultramafic rock belt. They are mainly composed of omphacite, garnet, diopside, orthopyroxene,
amphibole, plagioclase and magnetite, and a small amount of rutile, spinel, olivin and corundum. The mineral association of
peak metamorphism of the eclogite is omphacite+garnet+rutile. The existence of eclogite in the Northern Dabie Mountain implies
that there was an eclogitic metamorphism prior to the granulitic facies one in the mafic-ultramafic rock belt. |
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Keywords: | eclogite petrography Northern Dabie Mountain |
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