Sample ID: DS89-030
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 ZN ZR BA NB ND RB SR Y
1988-011206 XRF WHOLE ROCK 61.09 0.69258505 15.402265 5.737085 1.6229231 8.011245 3.6489928 3.3698914 0.29977563 0.09303381 3.26                    
2003-024675 XRF WHOLE ROCK                       43 73 111 176 928 14 37 76 627 29


Total Alkali vs Silica


Element Normalization
  Nb
Nd
Rb
Zr
Ce
Ba
La
Sr
Y
Zn
SAMPLE VALUE 14 37 76 176 73 928 43 627 29 111
  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