Sample ID: 88L-50
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:
Rock Name:



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI LA CE SM EU GD TB HO TM YB ZN ZR BA NB ND PB RB SR TH Y
1988-011206 XRF WHOLE ROCK 65.80353 0.5835943 15.510953 4.228799 1.3349344 3.4402936 3.5799143 4.125339 0.27622795 0.09441974 0.44                                      
2003-024675 XRF WHOLE ROCK                       49 91               65 202.5 1003 14 37 39.5 106 532 18 28.5
2003-024679 INAA WHOLE ROCK                       42 81 6.1 1.3 4.9 0.5 0.71 0.36 2.4         36          


Total Alkali vs Silica


Element Normalization
  Th
Eu
Nb
Nd
Pb
Rb
Sm
Tb
Zr
Ce
Ba
La
Sr
Y
Tm
Ho
Yb
Zn
SAMPLE VALUE 18 1.3 14 36 39.5 106 6.1 0.5 202.5 81 1003 42 532 28.5 0.36 0.71 2.4 65
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 154 658 1250 150 0.6 406 99 10.5 1675 6600 648 19.9 4.3 68 149 441 55
  PPB  PPB  PPB  PPB  PPB  PPM  PPB  PPB  PPM  PPB  PPB  PPB  PPM  PPM  PPB  PPB  PPB  PPM