Sample ID: DY89-7
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 62.7 0.72583646 15.928078 5.8974214 1.955726 4.3146944 3.7904792 3.6493444 0.3427561 0.18145911 0.8                    
2003-024675 XRF WHOLE ROCK                       84 98 80 196 1226 17 61 97 678 48


Total Alkali vs Silica


Element Normalization
  Nb
Nd
Rb
Zr
Ce
Ba
La
Sr
Y
Zn
SAMPLE VALUE 17 61 97 196 98 1226 84 678 48 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