Sample ID: 69L-15
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: 26.92
Min Age: 26.85
Max Age: 26.99
Geological Age: OLIGOCENE
Age Method: AR_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 ZR BA NB RB SR Y
1988-011206 XRF WHOLE ROCK 60.5 0.75502795 17.415977 6.4932404 1.812067 4.5301676 3.8758101 3.2617207 0.3322123 0.1308715 0.66                
2003-024675 XRF WHOLE ROCK                       47 84 194 1050 10 74 720 26


Total Alkali vs Silica


Element Normalization
  Nb
Rb
Zr
Ce
Ba
La
Sr
Y
SAMPLE VALUE 10 74 194 84 1050 47 720 26
  PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 658 0.6 10.5 1675 6600 648 19.9 4.3
  PPB  PPM  PPM  PPB  PPB  PPB  PPM  PPM