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Thermo-chronology of the Barlet metamorphic basement unit: evidence for a Stephanian thermal event linked to Sb mineralization in the Haut Allier, France

Abstract:

A thermo-chronological analysis of the Bartlet basement unit (French Massif Central) reveals a four-stage history. Peak metamorphism (650°C and 7 kbar) was followed by retrograde growth of albite blasts and development of the main foliation at 600°C, and chloritization of the ferromagnesian minerals. The third stage is a marked reversal of cooling, with recrossing of the biotite isograd and local reappearance of garnet at 450°C. This thermal event, inferred to result from hot fluid infiltrati...

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Publication status:
Published

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Publisher copy:
10.1144/0016-76492005-183

Authors


Van Hinsberg, VJ More by this author
Zinngrebe, E More by this author
De Wijs, H More by this author
Vriend, SP More by this author
Journal:
JOURNAL OF THE GEOLOGICAL SOCIETY
Volume:
164
Issue:
2
Pages:
393-404
Publication date:
2007-03-05
DOI:
ISSN:
0016-7649
URN:
uuid:42a85409-b558-4398-a4b6-a193ca55ad4a
Source identifiers:
184841
Local pid:
pubs:184841
Language:
English

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