Sample ID: I-1056
Georef Number: 2005-074680
Reference Title: Large-volume, low-delta super 18 O rhyolites of the central SnakeRiver plain, Idaho, USA
Reference Author: Boroughs, Scott; Wolff, John; Bonnichsen, Bill; Godchaux, Martha;Larson, Peter

Location

Sample Detail


Major Data? YES
Trace Data? YES
Isotope Data? YES 		Age: 8.9
Min Age: 7.5
Max Age: 10.3
Geological Age: MIOCENE
Age Method: REG-COR

Material: IGNEOUS
Type: VOLCANIC
Composition: FELSIC
Rock Name: RHYOLITE



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FEOT MGO CAO NA2O K2O P2O5 MNO LA CE SC V CR NI CU ZN GA ZR BA D18O NB PB RB SR TH Y
2005-074680 XRF WHOLE ROCK 71.71 0.64 12.97 4.59 0.5 2.03 2.94 4.41 0.13 0.08 79 136 8 19 11 4 5 97 19 556 1099   47.3 25 149 140 22 72
2005-074680 LA-ICPMS WHOLE ROCK                                           1.98            


Total Alkali vs Silica


Element Normalization
  Th
Cu
Nb
Ni
Pb
Rb
Sc
V
Zr
Ce
Cr
Ba
La
Sr
Y
Zn
SAMPLE VALUE 22 5 47.3 4 25 149 8 19 556 136 11 1099 79 140 72 97
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 30 658 1960 150 0.6 16.2 82 10.5 1675 2625 6600 648 19.9 4.3 55
  PPB  PPM  PPB  PPB  PPB  PPM  PPM  PPM  PPM  PPB  PPB  PPB  PPB  PPM  PPM  PPM 






Isotope Chemistry
D18O
1.98