Sample 951
NavDat sample number 12232 · RHYOLITE
Sample
| Sample ID | 951 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | rhyolite |
Location
| Latitude | 29 |
|---|---|
| Longitude | -104 |
| Location | Santana Tuff, on River Road 8 miles NW of Big Hill |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.8 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.44 | WT% | XRF | |
| TIO2 | 0.16 | WT% | XRF | |
| AL2O3 | 12.52 | WT% | XRF | |
| FE2O3 | 0.31 | WT% | XRF | |
| FEO | 1.55 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 0.24 | WT% | XRF | |
| CAO | 1.18 | WT% | XRF | |
| NA2O | 3.32 | WT% | XRF | |
| K2O | 5.2 | WT% | XRF | |
| P2O5 | 0.02 | WT% | XRF | |
| LOI | 3.8 | WT% | XRF | |
| TOTAL | 101.19 | WT% | XRF | |
| V | 5 | PPM | MS-ID | |
| CR | 5 | PPM | MS-ID | |
| RB | 255 | PPM | MS-ID | |
| SR | 31 | PPM | MS-ID | |
| Y | 63 | PPM | MS-ID | |
| ZR | 352 | PPM | MS-ID | |
| NB | 88 | PPM | MS-ID | |
| BA | 88 | PPM | MS-ID | |
| LA | 81 | PPM | MS-ID | |
| CE | 159 | PPM | MS-ID | |
| ND | 64 | PPM | MS-ID | |
| PB | 33 | PPM | MS-ID | |
| TH | 28.6 | PPM | MS-ID |