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.486
Sample Information
PANTELLERITIC RHYOLITE / PORPHYRITIC TEXTURE / PITCHSTONE, VITREOUS, NO AENIGMATITE; ORIGINALLY REPORTED AS PANTELLERITE
OUTCROP
Sample Age Information
QUATERNARY
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
AL2O3 | 10.15 WT% |
CAO | 0.48 WT% |
FE2O3 | 2.08 WT% |
FEO | 5.04 WT% |
H2OM | 0.06 WT% |
H2OP | 0.09 WT% |
K2O | 4.31 WT% |
MGO | 0.04 WT% |
MNO | 0.15 WT% |
NA2O | 6.69 WT% |
SIO2 | 69.51 WT% |
TIO2 | 0.48 WT% |
CE | 240 PPM |
LA | 100 PPM |
YB | 10 PPM |
BA | 780 PPM |
BE | 11 PPM |
CL | 1400 PPM |
CO | 0 PPM |
CR | 0 PPM |
CU | 2.4 PPM |
GA | 30 PPM |
LI | 30 PPM |
MO | 3 PPM |
NB | 145 PPM |
NI | 0 PPM |
PB | 23 PPM |
RB | 105 PPM |
SC | 0 PPM |
SN | 0 PPM |
SR | 19 PPM |
V | 0 PPM |
Y | 120 PPM |
ZN | 250 PPM |
ZR | 1020 PPM |