GEOROC Sample Information

Location
Latitude 8.62 | Longitude 39.52
EAST AFRICAN RIFT / ETHIOPIAN RIFT / MAIN ETHIOPIAN RIFT / BOSETI VOLCANIC COMPLEX
RIFT VOLCANICS

Reference

PICCIRILLO E. M.,BROTZU P.,MORBIDELLI L.,TRAVERSA G.,GANZERLI-VALENTINI M.T.,STELLA R.

QUATERNARY BASALTIC VOLCANISM IN THE NORTHERN PART OF THE MAIN ETHIOPIAN RIFT (FROM 8 TO 9 LAT. N)

ATTI CONVEGNI LINCEI ACCAD. NAZ. LINCEI 47 [1980] 293-315

Sample Name: 475

Sample Information

BASALT, ALKALINE
OUTCROP

Sample Age Information

QUATERNARY


Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O315.69 WT%
CAO11.46 WT%
FE2O32.94 WT%
FEO9.85 WT%
H2OP0.49 WT%
K2O0.48 WT%
MGO8.69 WT%
MNO0.18 WT%
NA2O2.7 WT%
P2O50.36 WT%
SIO246.34 WT%
TIO22.46 WT%
CE59 PPM
EU2.1 PPM
LA14 PPM
LU0 PPM
TB0.8 PPM
BA223 PPM
CO52 PPM
CR36 PPM
CS0 PPM
HF2.6 PPM
NI57 PPM
RB25.6 PPM
SC41 PPM
SR325 PPM
TA1.19 PPM
TH1.2 PPM
U0.37 PPM
ZR0 PPM

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) CLINOPYROXENE

AL2O34.68 WT%
CAO21.1 WT%
FEOT9.13 WT%
MGO14.43 WT%
MNO0.07 WT%
NA2O0.61 WT%
SIO248.21 WT%
TIO21.69 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) CLINOPYROXENE

AL2O34.6 WT%
CAO21.44 WT%
FEOT8.64 WT%
MGO14.36 WT%
MNO0.19 WT%
NA2O0.52 WT%
SIO248.28 WT%
TIO21.94 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) CLINOPYROXENE

AL2O34.75 WT%
CAO21.05 WT%
FEOT8.85 WT%
MGO14.14 WT%
MNO0.12 WT%
NA2O0.49 WT%
SIO249.14 WT%
TIO21.75 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) CLINOPYROXENE

AL2O34.86 WT%
CAO21.39 WT%
FEOT8.92 WT%
MGO13.83 WT%
MNO0.17 WT%
NA2O0.49 WT%
SIO248.54 WT%
TIO22.04 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE

FA23.7 MOL%
FO75.5 MOL%
LAR0.5 MOL%
TEPH0.3 MOL%
AL2O30.06 WT%
CAO0.34 WT%
FEOT21.17 WT%
MGO38.89 WT%
MNO0.27 WT%
NA2O0.03 WT%
SIO239 WT%
TIO20.07 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE

FA31.1 MOL%
FO67.9 MOL%
LAR0.6 MOL%
TEPH0.4 MOL%
AL2O30.08 WT%
CAO0.43 WT%
FEOT28.15 WT%
MGO34.51 WT%
MNO0.36 WT%
NA2O0.04 WT%
SIO236.91 WT%
TIO20.13 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE

FA40.8 MOL%
FO57.6 MOL%
LAR0.9 MOL%
TEPH0.7 MOL%
AL2O30.05 WT%
CAO0.57 WT%
FEOT35 WT%
MGO27.71 WT%
MNO0.59 WT%
NA2O0.06 WT%
SIO236.33 WT%
TIO20.16 WT%