Sample ID: LC81-820
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 72.86 0.26 14.65 0.42 1.5 1.87 0.78 2.27 4.12 3.03 0.07 0.04            
2008-900303 EDXRF WHOLE ROCK                         114 764 6 91 264 18


Total Alkali vs Silica


Element Normalization
  Nb
Rb
Zr
Ba
Sr
Y
SAMPLE VALUE 6 91 114 764 264 18
  PPM PPM PPM PPM PPM PPM
REF STANDARD 658 0.6 10.5 6600 19.9 4.3
  PPB  PPM  PPM  PPB  PPM  PPM