Sample ID: PPDcc
Georef Number: 2007-058887
Reference Title: (super 40) Ar/ (super 39) Ar and U/Pb dating of the Fish Canyonmagmatic system, San Juan volcanic field, Colorado; evidence for anextended crystallization history
Reference Author: Bachmann, O; Oberli, F; Dungan, M A; Meier, M; Mundil, R; Fischer, H
Location
Sample Detail
Major Data? NO
Trace Data? NO
Isotope Data? NO
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Age: 28.9
Min Age: 27.4
Max Age: 30.4
Geological Age:
OLIGOCENE
Age Method:
PB207-U235
Material: IGNEOUS
Type: VOLCANIC
Composition: FELSIC
Rock Name: DACITE
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