Sample ID: 97-LT-94
Georef Number: 2008-128984
Reference Title: Geology, geochronology, and geochemistry of the Miocene-Pliocene ancestral Cascades Arc, northern Sierra Nevada, California and Nevada;the roles of the upper mantle, subducting slab, and the Sierra Nevadalithosphere
Reference Author: Cousens, Brian; Prytulak, Julie; Henry, Christopher; Alcazar, Al;Brownrigg, Tim

Location

Sample Detail


Major Data? YES
Trace Data? YES
Isotope Data? YES 		Age: 14
Min Age: 1
Max Age: 28
Geological Age: MIOCENE
Age Method: REG-COR

Material: IGNEOUS
Type: PLUTONIC
Composition: INTERMEDIATE
Rock Name: ANDESITE



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI V CR CO NI ZN ZR BA NB ND143_ND144 PB206_PB204 PB207_PB204 PB208_PB204 RB SR SR87_SR86 Y
2008-128984 XRF WHOLE ROCK 59.5 0.517 17.96 5.307 1.837 5.125 4.08 2.395 0.373 0.0494 2.6 84 12   6   188 1446           50 799   18
2008-128984 ICPMS WHOLE ROCK                                     12                
2008-128984 UNKNOWN WHOLE ROCK                           11   87       0.512579 19.03 15.636 38.755     0.705612  


Total Alkali vs Silica


Element Normalization
  Nb
Ni
Rb
V
Zr
Cr
Ba
Sr
Y
Co
Zn
SAMPLE VALUE 12 6 50 84 188 12 1446 799 18 11 87
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 658 1960 0.6 82 10.5 2625 6600 19.9 4.3 105 55
  PPB  PPB  PPM  PPM  PPM  PPB  PPB  PPM  PPM  PPM  PPM 






Isotope Chemistry
143Nd/144Nd 206Pb/204Pb 207Pb/204Pb 208Pb/204Pb 87Sr/86Sr
0.512579 19.03 15.636 38.755 0.705612