Sample s_SS-1
NavDat sample number 40977 · RHYOLITE
Sample
| Sample ID | s_SS-1 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | FUSED SAMPLES |
Location
| Latitude | 44.1 |
|---|---|
| Longitude | -121.75 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / SOUTH SISTER / PACIFIC OCEAN |
| State / province | OREGON |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0 | 0 | 0.01 | HOLOCENE |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.07 | WT% | EPMA | |
| TIO2 | 0.32 | WT% | EPMA | |
| AL2O3 | 14.37 | WT% | EPMA | |
| FEOT | 2.33 | WT% | EPMA | |
| CAO | 1.93 | WT% | EPMA | |
| MGO | 0.58 | WT% | EPMA | |
| MNO | 0.05 | WT% | EPMA | |
| K2O | 3.06 | WT% | EPMA | |
| NA | 4.45 | WT% | EPMA | |
| LOI | 0.8 | WT% | IGN | |
| K | 3.06 | WT% | ICPAES | |
| LA | 21.47 | PPM | INAA | |
| CE | 40.8 | PPM | INAA | |
| SM | 3.03 | PPM | INAA | |
| EU | 0.74 | PPM | INAA | |
| TB | 0.38 | PPM | INAA | |
| DY | 2.81 | PPM | INAA | |
| YB | 2.06 | PPM | INAA | |
| LU | 0.27 | PPM | INAA | |
| SC | 3.84 | PPM | INAA | |
| V | 21.71 | PPM | INAA | |
| CR | 3.6 | PPM | INAA | |
| CO | 3.77 | PPM | INAA | |
| RB | 66.51 | PPM | INAA | |
| SR | 227 | PPM | IGN | |
| CS | 2.94 | PPM | INAA | |
| BA | 806 | PPM | IGN | |
| HF | 4.89 | PPM | INAA | |
| TA | 0.85 | PPM | INAA | |
| TH | 7.52 | PPM | INAA | |
| U | 2.57 | PPM | INAA |
References
- Brophy, J G; Dreher, S T (2000) The origin of composition gaps at South Sister Volcano, central Oregon; implications for fractional crystallization processes beneath active calc-alkaline volcanoes. Journal of Volcanology and Geothermal Research. 102; 3-4, Pages 287-307. 2000. doi:10.1016/S0377-0273(00)00192-X