Sample ID: LC81-813A
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 69.7 0.4 15.87 0.58 2.07 2.59 1.25 2.94 4.35 2.68 0.11 0.05            
2008-900303 EDXRF WHOLE ROCK                         138 825 8 72 326 15


Total Alkali vs Silica


Element Normalization
  Nb
Rb
Zr
Ba
Sr
Y
SAMPLE VALUE 8 72 138 825 326 15
  PPM PPM PPM PPM PPM PPM
REF STANDARD 658 0.6 10.5 6600 19.9 4.3
  PPB  PPM  PPM  PPB  PPM  PPM