Sample ID: 89L-129
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: INTERMEDIATE
Rock Name: ANDESITE



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 RB SR Y
1988-011206 XRF WHOLE ROCK 53.83 1.3178245 17.841316 9.701216 2.3213985 8.373254 3.4466178 2.088245 0.76028335 0.13178246 1.35                                  
2003-024675 XRF WHOLE ROCK                       43 75               158 153 930 14 49 35 1001 38
2003-024679 INAA WHOLE ROCK                       42 79 6.8 2 7.2 1 1.1 0.45 3.1         39      


Total Alkali vs Silica


Element Normalization
  Eu
Nb
Nd
Rb
Sm
Tb
Zr
Ce
Ba
La
Sr
Y
Tm
Ho
Yb
Zn
SAMPLE VALUE 2 14 39 35 6.8 1 153 79 930 42 1001 38 0.45 1.1 3.1 158
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 154 658 1250 0.6 406 99 10.5 1675 6600 648 19.9 4.3 68 149 441 55
  PPB  PPB  PPB  PPM  PPB  PPB  PPM  PPB  PPB  PPB  PPM  PPM  PPB  PPB  PPB  PPM