Sample ID: 86L-38A
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: 27.35
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 LA CE CU ZN GA BA PB SR TH Y
1988-011206 XRF WHOLE ROCK 74.40321 0.27823916 14.221113 2.3495753 0.6389196 0.5255629 0.64922476 6.7910967 0.07213608 0.030915463 2.96                    
2003-024675 XRF WHOLE ROCK                       57 98 3 48 15 600 20 83 19 22


Total Alkali vs Silica


Element Normalization
  Th
Cu
Pb
Ce
Ba
La
Sr
Y
Zn
SAMPLE VALUE 19 3 20 98 600 57 83 22 48
  PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 30 150 1675 6600 648 19.9 4.3 55
  PPB  PPM  PPB  PPB  PPB  PPB  PPM  PPM  PPM