GEOROC Sample Information

Location
Latitude 54.75 | Longitude -163.97
ALEUTIAN ARC / SECOND ALEUTIAN ARC / UNIMAK / SHISHALDIN
CONVERGENT MARGIN

Reference

FOURNELLE J. H.,MARSH B. D.

SHISHALDIN VOLCANO: ALEUTIAN HIGH-ALUMINA BASALTS AND THE QUESTION OF PLAGIOCLASE ACCUMULATION

GEOLOGY 19 [1991] 234-237

Sample Name: SH9A

Sample Information

BASALT
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O315.73 WT%
CAO7.83 WT%
FEOT11.38 WT%
K2O1.14 WT%
LOI0.91 WT%
MGO3.99 WT%
MNO0.23 WT%
NA2O3.77 WT%
P2O50.59 WT%
SIO250.89 WT%
TIO22.21 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) GROUNDMASS

AL2O314.58 WT%
CAO7.43 WT%
FEOT12.79 WT%
K2O1.26 WT%
MGO4.53 WT%
MNO0.28 WT%
NA2O3.78 WT%
P2O50.63 WT%
SIO251.51 WT%
TIO22.43 WT%