Sample ID: 333
Georef Number: 2007-002412
Reference Title: Rhyodacites of Kulshan Caldera, north Cascades of Washington;post-caldera lavas that span the Jaramillo
Reference Author: Hildreth, Wes; Lanphere, Marvin A; Champion, Duane E; Fierstein, Judy
Location
Sample Detail
Major Data? NO
Trace Data? NO
Isotope Data? NO
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Age: 2.75
Min Age: 2.62
Max Age: 3.88
Geological Age:
PLIOCENE
Age Method:
AR_AR
Material: IGNEOUS
Type: VOLCANIC
Composition: FELSIC
Rock Name: FELSITE
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