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Sample A5-2
NavDat sample number 19641 · ANDESITE
Sample
| Sample ID | A5-2 |
|---|
| Alternate ID | 15 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 34.8188 |
|---|
| Longitude | -117.538 |
|---|
| Location | Red Buttes |
|---|
| 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 | 57.4 | | WT% | XRF |
| TIO2 | 1.28 | | WT% | XRF |
| AL2O3 | 16.3 | | WT% | XRF |
| FE2O3 | 7.72 | | WT% | XRF |
| MGO | 5.11 | | WT% | AAS |
| CAO | 6.37 | | WT% | XRF |
| NA2O | 3.47 | | WT% | AAS |
| K2O | 2.15 | | WT% | XRF |
| P2O5 | 0.24 | | WT% | XRF |
| LOI | 1.36 | | WT% | XRF |
| TOTAL | 98.4 | | WT% | XRF |
| BA | 571 | | PPM | XRF |
| NB | 32 | | PPM | XRF |
| NI | 120 | | PPM | XRF |
| Y | 23 | | PPM | XRF |
| ZR | 187 | | PPM | XRF |
| SR | 399 | | PPM | XRF |
| RB | 32 | | PPM | XRF |
