GEOROC Sample Information
Location
Latitude 8.97 | Longitude 39.9
EAST AFRICAN RIFT / ETHIOPIAN RIFT / MAIN ETHIOPIAN RIFT / FANTALE
RIFT VOLCANICS
Reference
GIRSON I. L.
THE CHEMISTRY AND PETROGENESIS OF A SUITE OF PANTELLERITES FROM THE ETHIOPIAN RIFT
J. PETROL. 13 [1972] 31-44
Sample Name: Y.335
Sample Information
PANTELLERITIC RHYOLITE / QUARTZ PHENOCRYSTS TEXTURE / PITCHSTONE, VITREOUS; ORIGINALLY REPORTED AS PANTELLERITE
OUTCROP
Sample Age Information
QUATERNARY
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
AL2O3 | 9.54 WT% |
CAO | 0.38 WT% |
FE2O3 | 2.33 WT% |
FEO | 3.99 WT% |
H2OM | 0.06 WT% |
H2OP | 0.12 WT% |
K2O | 4.4 WT% |
MGO | 0.08 WT% |
MNO | 0.12 WT% |
NA2O | 6.3 WT% |
SIO2 | 72.24 WT% |
TIO2 | 0.29 WT% |
CE | 310 PPM |
LA | 130 PPM |
YB | 14 PPM |
BA | 100 PPM |
BE | 13 PPM |
CL | 2100 PPM |
CO | 0 PPM |
CR | 0 PPM |
CU | 2.6 PPM |
GA | 27 PPM |
LI | 40 PPM |
MO | 5 PPM |
NB | 205 PPM |
NI | 0 PPM |
PB | 23 PPM |
RB | 160 PPM |
SC | 0 PPM |
SN | 0 PPM |
SR | 6 PPM |
V | 0 PPM |
Y | 160 PPM |
ZN | 270 PPM |
ZR | 1450 PPM |