Sample ID: 65L-161-A
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: 16.3
Min Age: 14
Max Age: 18.6
Geological Age: MIOCENE
Age Method: K-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 YB LU SC CR CO ZR BA HF ND RB SB SR TA TH U
1988-011206 XRF WHOLE ROCK 76.35 0.11 13.13 0.76 0.15 0.69 4.11 4.81 0.02 0.14 0.2                                          
2003-024679 INAA WHOLE ROCK                       32 53 2.3 0.2 6.1 0.28 1 0.13 1.4 12 0.2 173 4 4.9 12 227 0.8 8 3.5 25.6 9.5


Total Alkali vs Silica


Element Normalization
  Th
Eu
Lu
Nd
Rb
Sb
Sc
Sm
Ta
Tb
Zr
U
Ce
Cr
Ba
La
Sr
Hf
Yb
Co
SAMPLE VALUE 25.6 0.2 0.13 12 227 0.8 1.4 2.3 3.5 0.28 173 9.5 53 12 4 32 8 4.9 1 0.2
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 154 67.5 1250 0.6 5.5 16.2 406 37 99 10.5 20.3 1675 2625 6600 648 19.9 283 441 105
  PPB  PPB  PPB  PPB  PPM  PPB  PPM  PPB  PPB  PPB  PPM  PPB  PPB  PPB  PPB  PPB  PPM  PPB  PPB  PPM