Sample ID: LR89-023
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: 28.4
Min Age: 28.33
Max Age: 28.48
Geological Age: OLIGOCENE
Age Method: AR_AR

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



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI LA CE ZN ZR BA NB ND PB RB SR TH Y
1988-011206 XRF WHOLE ROCK 71.63 0.362987 14.892838 2.0327272 0.43558443 1.2756401 2.8105567 6.606364 0.05185529 0.0725974 3.6                        
2003-024675 XRF WHOLE ROCK                       70 121 78 289 1129 21 49 54 159 206 44 35


Total Alkali vs Silica


Element Normalization
  Th
Nb
Nd
Pb
Rb
Zr
Ce
Ba
La
Sr
Y
Zn
SAMPLE VALUE 44 21 49 54 159 289 121 1129 70 206 35 78
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 658 1250 150 0.6 10.5 1675 6600 648 19.9 4.3 55
  PPB  PPB  PPB  PPB  PPM  PPM  PPB  PPB  PPB  PPM  PPM  PPM