Sample 81 MH-21
NavDat sample number 31232 · ANDESITE
Sample
| Sample ID | 81 MH-21 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 45.3838 |
|---|---|
| Longitude | -121.875 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 11.32 | 11.2 | 11.44 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.46 | WT% | XRF | |
| TIO2 | 0.97 | WT% | XRF | |
| AL2O3 | 20.1 | WT% | XRF | |
| FEOT | 6.51 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 2.58 | WT% | XRF | |
| CAO | 7.83 | WT% | XRF | |
| NA2O | 4.23 | WT% | XRF | |
| K2O | 1.01 | WT% | XRF | |
| P2O5 | 0.21 | WT% | XRF | |
| TOTAL | 99.84 | WT% | XRF | |
| LOI | 2 | WT% | XRF | |
| BA | 220 | PPM | OES | |
| LA | -10 | PPM | OES | |
| SR | 520 | PPM | OES | |
| Y | 24 | PPM | OES | |
| ZR | 140 | PPM | OES | |
| CO | 19 | PPM | OES | |
| CR | 19 | PPM | OES | |
| NI | 14 | PPM | OES | |
| SC | 15 | PPM | OES | |
| V | 120 | PPM | OES | |
| CU | 52 | PPM | OES | |
| PB | -10 | PPM | OES | |
| ZN | 58 | PPM | OES |