Sample MB32A
NavDat sample number 3485 · ANDESITE
Sample
| Sample ID | MB32A |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 41.225 |
|---|---|
| Longitude | -117.267 |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 89.9 | 88.1 | 91.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.2 | WT% | XRF/INAA | |
| AL2O3 | 17 | WT% | XRF/INAA | |
| FE2O3 | 1.2 | WT% | XRF/INAA | |
| FEO | 1.6 | WT% | XRF/INAA | |
| MGO | 1.6 | WT% | XRF/INAA | |
| CAO | 4.9 | WT% | XRF/INAA | |
| NA2O | 3.3 | WT% | XRF/INAA | |
| K2O | 2.7 | WT% | XRF/INAA | |
| H2O | 0.74 | WT% | XRF/INAA | |
| TIO2 | 0.58 | WT% | XRF/INAA | |
| P2O5 | 0.27 | WT% | XRF/INAA | |
| MNO | 0.05 | WT% | XRF/INAA | |
| TOTAL | 99.1 | WT% | XRF/INAA | |
| BA | 1500 | PPM | SPEC | |
| CO | 7 | PPM | SPEC | |
| CR | 7 | PPM | SPEC | |
| CU | 150 | PPM | SPEC | |
| MN | 200 | PPM | SPEC | |
| MO | 5 | PPM | SPEC | |
| NB | 7 | PPM | SPEC | |
| SC | 7 | PPM | SPEC | |
| SR | 700 | PPM | SPEC | |
| V | 50 | PPM | SPEC | |
| Y | 15 | PPM | SPEC | |
| ZR | 100 | PPM | SPEC |