Sample ID: 96L-1
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: 28.67
Min Age: 28.63
Max Age: 28.68
Geological Age: OLIGOCENE
Age Method: AR_AR

Material: IGNEOUS
Type: VOLCANIC
Composition: FELSIC
Rock Name: RHYOLITE



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI ZR BA NB RB SR Y
1988-011206 XRF WHOLE ROCK 67.94 0.5373118 15.88662 3.2947028 0.62433404 1.9175252 3.533508 5.667577 0.16088997 0.04148735 1.17            
2003-024675 XRF WHOLE ROCK                       279 1060 20 143 344 23


Total Alkali vs Silica


Element Normalization
  Nb
Rb
Zr
Ba
Sr
Y
SAMPLE VALUE 20 143 279 1060 344 23
  PPM PPM PPM PPM PPM PPM
REF STANDARD 658 0.6 10.5 6600 19.9 4.3
  PPB  PPM  PPM  PPB  PPM  PPM