Thermobarometric and (40)Ar/(39)Ar geochronologic constraints on Eohimalayan metamorphism in the Dinggye area, southern Tibet

Thermobarometric and (40)Ar/(39)Ar geochronologic constraints on Eohimalayan metamorphism in the Dinggye area, southern Tibet

New thermobarometric and 40argon (Ar)/39Ar thermochronologic data suggesting that the Eohimalayan event at Dinggye in southern Tibet occurred at PT conditions near the aluminum silicate invariant point that preceded Neohimalayan metamorphism by only a few million years are presented. The results sug...

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Veröffentlicht in:Contributions to mineralogy and petrology 1994-07, Vol.117 (2), p.151
Hauptverfasser: Hodges, K V, Hames, W E, Olszewski, W, Burchfiel, B C
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Sprache:eng
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Aluminum
Geological time
Geology
Metamorphism
Mineralogy
Petrology
Thermodynamics
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container_issue 2
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container_title Contributions to mineralogy and petrology
container_volume 117
creator Hodges, K V
Hames, W E
Olszewski, W
Burchfiel, B C
description New thermobarometric and 40argon (Ar)/39Ar thermochronologic data suggesting that the Eohimalayan event at Dinggye in southern Tibet occurred at PT conditions near the aluminum silicate invariant point that preceded Neohimalayan metamorphism by only a few million years are presented. The results suggest that metamorphic "events" deduced through petrographic study of polymetamorphic assemblages are not always separated by long time intervals.
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source Springer Nature - Complete Springer Journals
subjects Aluminum
Geological time
Geology
Metamorphism
Mineralogy
Petrology
Thermodynamics
title Thermobarometric and (40)Ar/(39)Ar geochronologic constraints on Eohimalayan metamorphism in the Dinggye area, southern Tibet
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