Sample ID: 88L-55
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: 31.25
Min Age: 29.5
Max Age: 33
Geological Age: OLIGOCENE
Age Method: AR_AR

Material: IGNEOUS
Type: VOLCANIC
Composition:
Rock Name:



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI
1988-011206 XRF WHOLE ROCK 60.65 0.8322034 17.001312 6.2041636 2.1475556 5.118102 3.3748765 3.4465299 0.37157422 0.09110222 2.29


Total Alkali vs Silica