Sample ID: DS87-103
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: 26.5
Min Age: 26.1
Max Age: 26.9
Geological Age: OLIGOCENE
Age Method: REG-COR

Material: IGNEOUS
Type: VOLCANIC
Composition:
Rock Name:



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI ZN ZR NB PB RB SR TH Y
1988-011206 XRF WHOLE ROCK 62.07 0.7652902 16.03359 5.8902006 2.1428125 3.8345602 3.782865 3.9724138 0.3314568 0.09426754 1.33                
2003-024675 XRF WHOLE ROCK                       43 219 14 26 110 567 12 25


Total Alkali vs Silica


Element Normalization
  Th
Nb
Pb
Rb
Zr
Sr
Y
Zn
SAMPLE VALUE 12 14 26 110 219 567 25 43
  PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 658 150 0.6 10.5 19.9 4.3 55
  PPB  PPB  PPB  PPM  PPM  PPM  PPM  PPM