Sample ID: LR88-671
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? YES
Isotope Data? NO 		Age: 27
Min Age: 26.9
Max Age: 27.1
Geological Age: OLIGOCENE
Age Method: REG-COR

Material: IGNEOUS
Type: VOLCANIC
Composition: INTERMEDIATE
Rock Name: ANDESITE



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI ZR BA RB SR
1988-011206 XRF WHOLE ROCK 59.09 1.0563096 16.423582 7.180874 3.2908106 5.4034295 3.554888 3.1283014 0.46721384 0.14219552 1.54        
2003-024675 XRF WHOLE ROCK                       203 1137 76 756


Total Alkali vs Silica


Element Normalization
  Rb
Zr
Ba
Sr
SAMPLE VALUE 76 203 1137 756
  PPM PPM PPM PPM
REF STANDARD 0.6 10.5 6600 19.9
  PPM  PPM  PPB  PPM