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Sample BRST-11
NavDat sample number 19638 · ANDESITE
Sample
| Sample ID | BRST-11 |
|---|
| Alternate ID | 12 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 34.807 |
|---|
| Longitude | -116.006 |
|---|
| 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 | 55.7 | | WT% | XRF |
| TIO2 | 1.33 | | WT% | XRF |
| AL2O3 | 16.6 | | WT% | XRF |
| FE2O3 | 7.39 | | WT% | XRF |
| MGO | 5.34 | | WT% | AAS |
| CAO | 7.27 | | WT% | XRF |
| NA2O | 3.61 | | WT% | AAS |
| K2O | 2.46 | | WT% | XRF |
| P2O5 | 0.39 | | WT% | XRF |
| LOI | 0.39 | | WT% | XRF |
| TOTAL | 99.5 | | WT% | XRF |
| BA | 1279 | | PPM | XRF |
| NB | 13 | | PPM | XRF |
| NI | 93 | | PPM | XRF |
| Y | 28 | | PPM | XRF |
| ZR | 205 | | PPM | XRF |
| SR | 899 | | PPM | XRF |
| RB | 51 | | PPM | XRF |
