Sample s_BT-384
NavDat sample number 12347 · ANDESITE
Sample
| Sample ID | s_BT-384 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.5 |
|---|---|
| Longitude | -121.75 |
| Location | CASCADES / HIGH CASCADES / CENTRAL CASCADES / PACIFIC OCEAN |
| State / province | OREGON |
| Location comment | NORTH SISTER |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.55 | 0.1 | 5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.2 | WT% | XRF | |
| TIO2 | 1.05 | WT% | XRF | |
| AL2O3 | 18.4 | WT% | XRF | |
| FEOT | 7.6 | WT% | XRF | |
| CAO | 8.2 | WT% | XRF | |
| MGO | 5.7 | WT% | AAS | |
| K2O | 0.8 | WT% | XRF | |
| NA2O | 3.8 | WT% | AAS | |
| LA | 6.6 | PPM | INAA | |
| CE | 18.3 | PPM | INAA | |
| ND | 11 | PPM | INAA | |
| SM | 2.82 | PPM | INAA | |
| EU | 1.13 | PPM | INAA | |
| TB | 0.49 | PPM | INAA | |
| YB | 1.47 | PPM | INAA | |
| LU | 0.32 | PPM | INAA | |
| SC | 23.3 | PPM | INAA | |
| CR | 84 | PPM | INAA | |
| CO | 30.7 | PPM | INAA | |
| NI | 70 | PPM | INAA | |
| RB | 12 | PPM | INAA | |
| SR | 570 | PPM | INAA | |
| ZR | 60 | PPM | INAA | |
| CS | 0.49 | PPM | INAA | |
| BA | 200 | PPM | INAA | |
| HF | 2.46 | PPM | INAA | |
| TA | 0.29 | PPM | INAA | |
| TH | 0.82 | PPM | INAA | |
| U | 0.4 | PPM | INAA |