Sample ID: TM-20
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:
Rock Name:



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI LA CE SM EU GD TB TM YB LU SC V CR CO NI CU ZN ZR BA HF ND RB SB SR TA TH U Y
1988-011206 XRF WHOLE ROCK 74.11 0.23275477 13.550376 1.6697625 0.39467114 0.9512586 3.248447 5.4950366 0.05 0.050598864 1.18                                                      
2003-024675 XRF WHOLE ROCK                       61 82                 11       4 35 193 565     161   129     4.53 32
2003-024679 INAA WHOLE ROCK                       52.2 93.8 7.03 1.04 5.7 0.822 0.535 3.06 0.472 4.51   1.54 1.9 8.78   45.4 176 508 6.1 39.1 158 0.823 144 1.45 18.7 5.69  


Total Alkali vs Silica


Element Normalization
  Th
Cu
Eu
Lu
Nd
Ni
Rb
Sb
Sc
Sm
Ta
Tb
V
Zr
U
Ce
Cr
Ba
La
Sr
Hf
Y
Tm
Yb
Co
Zn
SAMPLE VALUE 18.7 4 1.04 0.472 39.1 8.78 158 0.823 4.51 7.03 1.45 0.822 11 176 5.69 93.8 1.54 508 52.2 144 6.1 32 0.535 3.06 1.9 45.4
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 30 154 67.5 1250 1960 0.6 5.5 16.2 406 37 99 82 10.5 20.3 1675 2625 6600 648 19.9 283 4.3 68 441 105 55
  PPB  PPM  PPB  PPB  PPB  PPB  PPM  PPB  PPM  PPB  PPB  PPB  PPM  PPM  PPB  PPB  PPB  PPB  PPB  PPM  PPB  PPM  PPB  PPB  PPM  PPM