Sample ID: s_LC85-788
Georef Number: 1990-067970
Reference Title: Trace element and isotopic constraints on magmatic evolution at Lassen volcanic center
Reference Author: Bullen, Thomas D; Clynne, Michael A

Location

Sample Detail


Major Data? YES
Trace Data? YES
Isotope Data? YES 		Age: 0.3
Min Age: 0
Max Age: 0.6
Geological Age: PLEISTOCENE
Age Method: STRAT

Material: IGNEOUS
Type: VOLCANIC
Composition: MAFIC
Rock Name: BASALT



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 FEO FEOT MGO CAO NA2O K2O P2O5 MNO ZR BA NB ND143_ND144 PB PB206_PB204 PB207_PB204 PB208_PB204 RB SR SR87_SR86 Y
1990-067970 XRF WHOLE ROCK 46.26 0.72 17.75 2.67 9.62 12.02 4.93 16.35 1.25 0.2 0.11 0.15                        
1990-067970 XRF/INAA WHOLE ROCK                         28 49 2   2.5       1 235   16
1990-067970 TIMS WHOLE ROCK                               0.512694   18.998 15.642 38.705     0.70566  


Total Alkali vs Silica


Element Normalization
  Nb
Pb
Rb
Zr
Ba
Sr
Y
SAMPLE VALUE 2 2.5 1 28 49 235 16
  PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 658 150 0.6 10.5 6600 19.9 4.3
  PPB  PPB  PPM  PPM  PPB  PPM  PPM 






Isotope Chemistry
143Nd/144Nd 206Pb/204Pb 207Pb/204Pb 208Pb/204Pb 87Sr/86Sr
0.512694 18.998 15.642 38.705 0.70566