Sample ID: LC86-957
Georef Number: 2008-900303
Reference Title: Major and EDXRF trace element chemical analyses of volcanic rocks from Lassen Volcanic National Park and vicinity, California
Reference Author: Clynne, M.A., Muffler, L.J.P., Siems, D.F., Taggert Jr., J.E., Bruggman, P.

Location

Sample Detail


Major Data? YES
Trace Data? YES
Isotope Data? NO 		Age: 2.65
Min Age: 0
Max Age: 5.3
Geological Age: PLIOCENE
Age Method: REG-COR

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



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 FEO FEOT MGO CAO NA2O K2O P2O5 MNO ZR BA NB RB SR Y
2008-900303 WDXRF WHOLE ROCK 68.29 0.47 15.66 0.69 2.49 3.11 1.7 3.67 4.04 2.8 0.14 0.06            
2008-900303 EDXRF WHOLE ROCK                         161 790 7 74 354 23


Total Alkali vs Silica


Element Normalization
  Nb
Rb
Zr
Ba
Sr
Y
SAMPLE VALUE 7 74 161 790 354 23
  PPM PPM PPM PPM PPM PPM
REF STANDARD 658 0.6 10.5 6600 19.9 4.3
  PPB  PPM  PPM  PPB  PPM  PPM