Sample BM-5
NavDat sample number 12219 · TRACHYBASALT
Sample
| Sample ID | BM-5 |
|---|---|
| Rock name | TRACHYBASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Trachybasalt lava |
Location
| Latitude | 29.3 |
|---|---|
| Longitude | -103.967 |
| Location | Closed Canyon Formation, on River Road 4 mi NW of Big Hill |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 21 | 18 | 25 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 48.89 | WT% | XRF | |
| TIO2 | 2.43 | WT% | XRF | |
| AL2O3 | 16.92 | WT% | XRF | |
| FE2O3 | 1.09 | WT% | XRF | |
| FEO | 9.05 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 6.5 | WT% | XRF | |
| CAO | 8.29 | WT% | XRF | |
| NA2O | 4.2 | WT% | XRF | |
| K2O | 1.69 | WT% | XRF | |
| P2O5 | 0.8 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| V | 160 | PPM | MS-ID | |
| CR | 120 | PPM | MS-ID | |
| NI | 90 | PPM | MS-ID | |
| RB | 64 | PPM | MS-ID | |
| SR | 1117 | PPM | MS-ID | |
| Y | 27 | PPM | MS-ID | |
| ZR | 227 | PPM | MS-ID | |
| NB | 68 | PPM | MS-ID | |
| BA | 770 | PPM | MS-ID | |
| LA | 37 | PPM | MS-ID | |
| CE | 78 | PPM | MS-ID | |
| ND | 37 | PPM | MS-ID |