Sample ID: 89L-120
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: FELSIC
Rock Name: DACITE



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI LA CE ZN ZR BA NB ND RB SR Y
1988-011206 XRF WHOLE ROCK 64.7 0.61039895 15.565173 4.730592 1.7599835 3.7743 3.83534 3.8556867 0.28485283 0.08138652 1.69                    
2003-024675 XRF WHOLE ROCK                       44 77 80 160 1157 11 42 86 679 21


Total Alkali vs Silica


Element Normalization
  Nb
Nd
Rb
Zr
Ce
Ba
La
Sr
Y
Zn
SAMPLE VALUE 11 42 86 160 77 1157 44 679 21 80
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 658 1250 0.6 10.5 1675 6600 648 19.9 4.3 55
  PPB  PPB  PPM  PPM  PPB  PPB  PPB  PPM  PPM  PPM