GEOROC Sample Information

Location
Latitude -1.4 | Longitude 29.6
EAST AFRICAN RIFT / WESTERN EAST AFRICAN RIFT (TANGANYIKA RIFT) / VIRUNGA PROVINCE
RIFT VOLCANICS

Reference

BONHOMME M. G.,KAMPUNZU A. B.,KANIKA M.

GEOCHRONOLOGY OF VOLCANIC ROCKS AND EVOLUTION OF THE CENOZOIC WESTERN BRANCH OF THE EAST AFRICAN RIFT SYSTEM

J. AFR. EARTH SCI. 26 [1998] 441-461

Sample Name: TR5

Sample Information

THOLEIITE / PORPHYRITIC OR SUBDOLERITIC TEXTURE
OUTCROP

Sample Age Information

MIOCENE


Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AGE10.7 ± 0.7 MA
AL2O315.25 WT%
CAO9.54 WT%
FE2O32.29 WT%
FEO9.14 WT%
K2O1.09 WT%
K2O0.72 WT%
LOI7.09 WT%
MGO5.23 WT%
MNO0.23 WT%
NA2O2.96 WT%
P2O50.73 WT%
SIO245.1 WT%
TIO21.52 WT%
AR400.000000377 CCMSTP/G