Sample s_SS-13
NavDat sample number 40984 · ANDESITE
Sample
| Sample ID | s_SS-13 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| 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 |
| Location comment | MAIN CONE |
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 | 62.57 | WT% | EPMA | |
| TIO2 | 1.05 | WT% | EPMA | |
| AL2O3 | 16.47 | WT% | EPMA | |
| FEOT | 6.41 | WT% | EPMA | |
| CAO | 4.47 | WT% | EPMA | |
| MGO | 1.99 | WT% | EPMA | |
| MNO | 0.12 | WT% | EPMA | |
| K2O | 1.84 | WT% | EPMA | |
| NA | 4.97 | WT% | EPMA | |
| LOI | 0.62 | WT% | IGN | |
| K | 1.84 | WT% | ICPAES | |
| LA | 17.69 | PPM | INAA | |
| CE | 40.11 | PPM | INAA | |
| SM | 4.82 | PPM | INAA | |
| EU | 1.5 | PPM | INAA | |
| TB | 0.63 | PPM | INAA | |
| DY | 4.56 | PPM | INAA | |
| YB | 2.48 | PPM | INAA | |
| LU | 0.35 | PPM | INAA | |
| SC | 15.13 | PPM | INAA | |
| V | 109.36 | PPM | INAA | |
| CR | 5.06 | PPM | INAA | |
| CO | 12.75 | PPM | INAA | |
| RB | 35.22 | PPM | INAA | |
| SR | 400 | PPM | IGN | |
| CS | 1.43 | PPM | INAA | |
| BA | 566 | PPM | IGN | |
| HF | 5.34 | PPM | INAA | |
| TA | 0.63 | PPM | INAA | |
| TH | 3.49 | PPM | INAA | |
| U | 1.82 | 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