Sample ID: 75-22
Georef Number: 2005-024533
Reference Title: Magnesian andesite and dacite lavas from Mt. Shasta, NorthernCalifornia; products of fractional crystallization of H (sub 2) O-richmantle melts
Reference Author: Grove, Timothy L; Baker, Michael B; Price, Richard C; Parman, StephenW; Elkins-Tanton, Linda T; Chatterjee, Nilanjan; Muentener, Othmar

Location

Sample Detail


Major Data? YES
Trace Data? NO
Isotope Data? NO 		Age: 0.19
Min Age: 0.13
Max Age: 0.25
Geological Age: PLEISTOCENE
Age Method: UNKNOWN

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



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 FEO MGO CAO NA2O K2O P2O5 MNO LOI
2005-024533 XRF WHOLE ROCK 68.8 0.32 16.1 1.05 1.67 0.53 2.31 4.7 2.64 0.1 0.06 1.76


Total Alkali vs Silica