Sample ID: 189
Georef Number: 2007-002412
Reference Title: Rhyodacites of Kulshan Caldera, north Cascades of Washington;post-caldera lavas that span the Jaramillo
Reference Author: Hildreth, Wes; Lanphere, Marvin A; Champion, Duane E; Fierstein, Judy

Location

Sample Detail


Major Data? YES
Trace Data? YES
Isotope Data? NO
Age: 1.149
Min Age: 1.139
Max Age: 1.159
Geological Age: PLEISTOCENE
Age Method: AR_AR

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



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FEOT MGO CAO NA2O K2O P2O5 MNO LOI CE V ZR BA RB SR Y
2007-002412 XRF WHOLE ROCK 60.2 0.9 17.61 6.25 2.66 6.04 3.78 1.78 0.25 0.11 2.56 30 63 116 560 33 650 20


Total Alkali vs Silica


Element Normalization
  Rb
V
Zr
Ce
Ba
Sr
Y
SAMPLE VALUE 33 63 116 30 560 650 20
  PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 0.6 82 10.5 1675 6600 19.9 4.3
  PPM  PPM  PPM  PPB  PPB  PPM  PPM