GEOROC Sample Information
Location
Latitude 54.668 | Longitude -163.9771
ALEUTIAN ARC / SECOND ALEUTIAN ARC / UNIMAK / SHISHALDIN
CONVERGENT MARGIN
Reference
DEVINE J. D.,NYE C. J.,GARDNER J. E.,STELLING P.,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
HOLOCENE
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% |