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Geochronological Study of Caledonian Granulite and High—Pressure Gneiss in the Dabie Mountains

Geochronological Study of Caledonian Granulite and High—Pressure Gneiss in the Dabie Mountains Abstract: Using the single—zircon evaporation technique and U—Pb method, the authors have conducted an isotope geochonological study of the Huilanshan granulite and Shima garnet‐bearing plagioclase gneiss (“country rocks” of the Shima eclogite) in the Dabie Mountains. The study shows that these rocks have peak metamorphic ages of 443–455 Ma, which are essentially consistent with that of the Caledonian high—ultrahigh pressure eclogites. This indicates the existence of the Caledonian collisional orogeny in the Dabie Mountains. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Geologica Sinica (English Edition) Wiley

Geochronological Study of Caledonian Granulite and High—Pressure Gneiss in the Dabie Mountains

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References (29)

Publisher
Wiley
Copyright
1998 Geological Society of China
ISSN
1000-9515
eISSN
1755-6724
DOI
10.1111/j.1755-6724.1998.tb00403.x
Publisher site
See Article on Publisher Site

Abstract

Abstract: Using the single—zircon evaporation technique and U—Pb method, the authors have conducted an isotope geochonological study of the Huilanshan granulite and Shima garnet‐bearing plagioclase gneiss (“country rocks” of the Shima eclogite) in the Dabie Mountains. The study shows that these rocks have peak metamorphic ages of 443–455 Ma, which are essentially consistent with that of the Caledonian high—ultrahigh pressure eclogites. This indicates the existence of the Caledonian collisional orogeny in the Dabie Mountains.

Journal

Acta Geologica Sinica (English Edition)Wiley

Published: Sep 1, 1998

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