Sample ID: LR89-013
Georef Number: 2004-049375
Reference Title: Chemical analyses of Tertiary volcanic rocks, central San Juan Caldera complex, southwestern Colorado.
Reference Author: Lipman-Peter-W

Location

Sample Detail


Major Data? YES
Trace Data? YES
Isotope Data? NO 		Age: 26.5
Min Age: 25.9
Max Age: 27.1
Geological Age: OLIGOCENE
Age Method: REG-COR

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



Rock Data
Reference Technique Material SIO2 TIO2 AL2O3 FE2O3 MGO CAO NA2O K2O P2O5 MNO LOI LA CE SM EU GD TB HO TM YB ZN ZR BA NB ND PB RB SR TH Y
1988-011206 XRF WHOLE ROCK 64.4 0.6237338 16.156717 5.241376 0.75451666 3.3601143 3.712222 3.983848 0.271626 0.060361333 0.59                                      
2003-024675 XRF WHOLE ROCK                       51 89               65 186 1027 17 28 41 112 573 18 25
2003-024679 INAA WHOLE ROCK                       45 81 6.3 1.5 4.6 0.57 0.76 0.28 1.9         36          


Total Alkali vs Silica


Element Normalization
  Th
Eu
Nb
Nd
Pb
Rb
Sm
Tb
Zr
Ce
Ba
La
Sr
Y
Tm
Ho
Yb
Zn
SAMPLE VALUE 18 1.5 17 36 41 112 6.3 0.57 186 81 1027 45 573 25 0.28 0.76 1.9 65
  PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM
REF STANDARD 79.5 154 658 1250 150 0.6 406 99 10.5 1675 6600 648 19.9 4.3 68 149 441 55
  PPB  PPB  PPB  PPB  PPB  PPM  PPB  PPB  PPM  PPB  PPB  PPB  PPM  PPM  PPB  PPB  PPB  PPM