Sample ID: 95cpt/hg97.5
Georef Number: 2004-068538
Reference Title: The Cougar Point Tuff; implications for thermochemical zonation andlongevity of high-temperature, large-volume silicic magmas of theMiocene Yellowstone Hotspot
Reference Author: Cathey, Henrietta E; Nash, Barbara P

Location

Sample Detail


Major Data? NO
Trace Data? YES
Isotope Data? NO 		Age: 11.19
Min Age: 10.071
Max Age: 12.309
Geological Age: MIOCENE
Age Method: STRAT

Material: IGNEOUS
Type: VOLCANIC
Composition: FELSIC
Rock Name: PYROCLASTIC-FLOW



Rock Data
Reference Technique Material LA CE SM EU TB YB LU SC CO CS HF ND TA TH U
2004-068538 INAA WHOLE ROCK 77 138 8.88 1.22 1.5 4.75 0.68 4 3.5 3.4 13 52 3.1 28 8




Element Normalization
  Th
Cs
Eu
Lu
Nd
Sc
Sm
Ta
Tb
U
Ce
La
Hf
Yb
Co
SAMPLE VALUE 28 3.4 1.22 0.68 52 4 8.88 3.1 1.5 8 138 77 13 4.75 3.5
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 21 154 67.5 1250 16.2 406 37 99 20.3 1675 648 283 441 105
  PPB  PPB  PPB  PPB  PPB  PPM  PPB  PPB  PPB  PPB  PPB  PPB  PPB  PPB  PPM