GEOROC Sample Information
Location
Latitude 54.668 | Longitude -163.9771
ALEUTIAN ARC / SECOND ALEUTIAN ARC / UNIMAK / SHISHALDIN
CONVERGENT MARGIN
Reference
SCHILLING J.- G.,DEVINE J. D.,NYE C. J.,GARDNER J. E.,BEGET J. E.,GEORGE R. M. M.
GEOLOGY AND PETROLOGY OF EJECTA FROM THE 1999 ERUPTION OF SHISHALDIN VOLCANO, ALASKA
BULL. VOLCANOL. 64 [2002] 548-561
Sample Name: 99SH-8-B
Sample Information
BASALT / TEPHRA
OUTCROP
Sample Age Information
1999 eruption
Chemistry (and, if given, analytical ages)
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE
| AL2O3 | 0.04 WT% |
| CAO | 0.29 WT% |
| CR2O3 | 0.02 WT% |
| FEOT | 29 WT% |
| MGO | 33.08 WT% |
| MNO | 0.58 WT% |
| NIO | 0.03 WT% |
| SIO2 | 36.9 WT% |
| TIO2 | 0.03 WT% |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE
| AL2O3 | 0.07 WT% |
| CAO | 0.24 WT% |
| CR2O3 | 0 WT% |
| FEOT | 28.78 WT% |
| MGO | 33.69 WT% |
| MNO | 0.54 WT% |
| NIO | 0 WT% |
| SIO2 | 37.15 WT% |
| TIO2 | 0.06 WT% |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE
| AL2O3 | 0 WT% |
| CAO | 0.29 WT% |
| CR2O3 | 0 WT% |
| FEOT | 28.01 WT% |
| MGO | 33.42 WT% |
| MNO | 0.67 WT% |
| NIO | 0 WT% |
| SIO2 | 37.13 WT% |
| TIO2 | 0.03 WT% |