Sample ID: DY89-21
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: 27.71
Min Age: 27.62
Max Age: 27.8
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 57.54 0.8767667 17.434555 8.294011 2.5295222 6.5304 3.668311 2.2372668 0.4938111 0.16124444 0.77                    
2003-024675 XRF WHOLE ROCK                       42 81 135 220 832 13 41 32 762 39


Total Alkali vs Silica


Element Normalization
  Nb
Nd
Rb
Zr
Ce
Ba
La
Sr
Y
Zn
SAMPLE VALUE 13 41 32 220 81 832 42 762 39 135
  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