Sample ID: OT-707-75
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-FALL



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI
1988-011206 XRF WHOLE ROCK 75.98 0.29898816 14.165853 1.299052 0.10309936 0.9175843 3.4641385 5.4642663 0.08247949 0.010309936 3.06


Total Alkali vs Silica