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.736
Sample Information
PANTELLERITIC RHYOLITE / APHYRIC TEXTURE / PITCHSTONE, VITREOUS; ORIGINALLY REPORTED AS PANTELLERITE
OUTCROP
Sample Age Information
QUATERNARY
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
AL2O3 | 8.18 WT% |
CAO | 0.41 WT% |
FE2O3 | 3.81 WT% |
FEO | 4.64 WT% |
H2OM | 0.03 WT% |
H2OP | 0.09 WT% |
K2O | 4.32 WT% |
MGO | 0.02 WT% |
MNO | 0.19 WT% |
NA2O | 6.5 WT% |
SIO2 | 70.58 WT% |
TIO2 | 0.38 WT% |
CE | 300 PPM |
LA | 120 PPM |
BA | 640 PPM |
CL | 2200 PPM |
GA | 31 PPM |
NB | 170 PPM |
RB | 130 PPM |
SR | 13 PPM |
Y | 140 PPM |
ZN | 300 PPM |
ZR | 1150 PPM |