Sample ID: OW-710-75
Georef Number: 2004-049375
Reference Title: Chemical analyses of Tertiary volcanic rocks, central San Juan Caldera complex, southwestern Colorado.
Reference Author: Lipman-Peter-W

Location

Sample Detail


Major Data? YES
Trace Data? NO
Isotope Data? NO
Age: 27.35
Min Age: 27.25
Max Age: 27.45
Geological Age: OLIGOCENE
Age Method: REG-COR

Material: IGNEOUS
Type: VOLCANIC
Composition: FELSIC
Rock Name: PYROCLASTIC-FLOW



Rock Data
Reference Technique Material CAO NA2O K2O LOI
1988-011206 XRF WHOLE ROCK 0.71852 3.24852 5.59636 1.43


Total Alkali vs Silica