Sample ID: 97-7
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? YES
Isotope Data? NO 		Age: 0.01
Min Age: 0.0094
Max Age: 0.01
Geological Age: QUATERNARY
Age Method: UNKNOWN

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



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI NI CU ZN ZR BA RB SR Y
2005-024533 XRF WHOLE ROCK 63.02 0.59 16.55 4.25 3.51 6.02 4.12 1.14 0.21 0.07 0.08                
2005-024533 XRF WHOLE ROCK                       53 55 63 137 325 31 1030 11


Total Alkali vs Silica


Element Normalization
  Cu
Ni
Rb
Zr
Ba
Sr
Y
Zn
SAMPLE VALUE 55 53 31 137 325 1030 11 63
  PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 30 1960 0.6 10.5 6600 19.9 4.3 55
  PPM  PPB  PPM  PPM  PPB  PPM  PPM  PPM