Sample ID: 636B
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: 0.674
Min Age: 0.511
Max Age: 0.837
Geological Age: PLEISTOCENE
Age Method: AR_AR

Material: IGNEOUS
Type: PLUTONIC
Composition: INTERMEDIATE
Rock Name: GRANODIORITE



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FEOT MGO CAO NA2O K2O P2O5 MNO LOI ZR BA RB SR Y
2007-002412 XRF WHOLE ROCK 65.4 0.78 16.14 4.29 1.74 4.28 4.17 2.47 0.2 0.08 2.57 255 932 39 460 26


Total Alkali vs Silica


Element Normalization
  Rb
Zr
Ba
Sr
Y
SAMPLE VALUE 39 255 932 460 26
  PPM PPM PPM PPM PPM
REF STANDARD 0.6 10.5 6600 19.9 4.3
  PPM  PPM  PPB  PPM  PPM