Sample ID: 356
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? NO
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
2007-002412 XRF WHOLE ROCK 64.6 0.73 16.21 4.53 2.08 4.42 4.55 2.12 0.23 0.08 1.17


Total Alkali vs Silica