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Sample BRST-2
NavDat sample number 19645 · ANDESITE
Sample
| Sample ID | BRST-2 |
|---|
| Alternate ID | 19 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 34.8507 |
|---|
| Longitude | -116.093 |
|---|
| Location | Bristol Mountains |
|---|
| State / province | California |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 20 |
|
18 |
22 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 59.9 | | WT% | XRF |
| TIO2 | 0.87 | | WT% | XRF |
| AL2O3 | 16.7 | | WT% | XRF |
| FE2O3 | 8.84 | | WT% | XRF |
| MGO | 1.3 | | WT% | AAS |
| CAO | 4.21 | | WT% | XRF |
| NA2O | 4.4 | | WT% | AAS |
| K2O | 3.26 | | WT% | XRF |
| P2O5 | 0.49 | | WT% | XRF |
| LOI | 0.39 | | WT% | XRF |
| TOTAL | 100.2 | | WT% | XRF |
| BA | 1024 | | PPM | XRF |
| Y | 55 | | PPM | XRF |
| ZR | 565 | | PPM | XRF |
| SR | 607 | | PPM | XRF |
| RB | 73 | | PPM | XRF |
