← Search
Sample BH89SB-5
NavDat sample number 38353 · ANDESITE
Sample
| Sample ID | BH89SB-5 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | DONNELLY-NOLAN, JULIE |
|---|
| Comment | Extrusive rock Porph/fine-gr Plag dom/no Q |
Location
| Latitude | 39.2358 |
|---|
| Longitude | -121.81 |
|---|
| Location | MICRO-MAFIC ANDESITE |
|---|
| State / province | California |
|---|
| Volcanic field | Sutter Buttes volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 1.56 |
|
1.36 |
1.59 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 58.4 | | WT% | XRF |
| AL2O3 | 17 | | WT% | XRF |
| MGO | 3.49 | | WT% | XRF |
| CAO | 6.38 | | WT% | XRF |
| NA2O | 3.82 | | WT% | XRF |
| K2O | 1.89 | | WT% | XRF |
| TIO2 | 0.46 | | WT% | XRF |
| P2O5 | 0.19 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| FE2O3T | 5.05 | | WT% | XRF |
| TOTAL | 96.77 | | WT% | XRF |