Sample ID: 01L-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: 31.25
Min Age: 29.5
Max Age: 33
Geological Age: OLIGOCENE
Age Method: AR_AR

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



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 LU SC V CR CO NI CU ZN GA ZR BA CS HF MO NB ND PB RB SB SR TA TH U Y
1988-011206 XRF WHOLE ROCK 76.79 0.18235521 12.562247 1.2967482 0.3140562 0.9928228 3.3735714 4.2650857 0.08104676 0.02026169 1.29                                                                  
2003-024675 XRF WHOLE ROCK                       38 58                   18 9   4 14 51 20 116 1540 16   1 11 39 31 90   396   7 2 6
2003-024679 INAA WHOLE ROCK                       24.9 45.2 3.8 0.748 2.53 0.266 0.26 0.258 0.416 0.0647 1.79   1.74 1.62 3.64   42.4   122 1430 1.92 3.7     20.2   86.2 0.0981 414 0.593 6.64 1.64  


Total Alkali vs Silica


Element Normalization
  Th
Cs
Cu
Eu
Lu
Mo
Nb
Nd
Ni
Pb
Rb
Sb
Sc
Sm
Ta
Tb
V
Zr
U
Ce
Cr
Ba
La
Sr
Hf
Y
Tm
Ho
Yb
Co
Zn
SAMPLE VALUE 6.64 1.92 14 0.748 0.0647 1 11 20.2 3.64 31 86.2 0.0981 1.79 3.8 0.593 0.266 18 122 1.64 45.2 1.74 1430 24.9 414 3.7 6 0.258 0.26 0.416 1.62 42.4
  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 PPM PPM PPM PPM PPM
REF STANDARD 79.5 21 30 154 67.5 50 658 1250 1960 150 0.6 5.5 16.2 406 37 99 82 10.5 20.3 1675 2625 6600 648 19.9 283 4.3 68 149 441 105 55
  PPB  PPB  PPM  PPB  PPB  PPB  PPB  PPB  PPB  PPB  PPM  PPB  PPM  PPB  PPB  PPB  PPM  PPM  PPB  PPB  PPB  PPB  PPB  PPM  PPB  PPM  PPB  PPB  PPB  PPM  PPM