Sample SI 8374
NavDat sample number 11183 · TRACHYBASALT
Sample
| Sample ID | SI 8374 |
|---|---|
| Rock name | TRACHYBASALT |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 29.75 |
|---|---|
| Longitude | -102.983 |
| Location | S of Black Hills |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 21 | 16 | 26 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 46.68 | WT% | UNKNOWN | |
| TIO2 | 2.35 | WT% | UNKNOWN | |
| AL2O3 | 15.15 | WT% | UNKNOWN | |
| FE2O3 | 4.52 | WT% | UNKNOWN | |
| FEO | 6.39 | WT% | UNKNOWN | |
| FEOT | 10.46 | WT% | UNKNOWN | |
| MNO | 0.16 | WT% | UNKNOWN | |
| MGO | 9.25 | WT% | UNKNOWN | |
| CAO | 9.08 | WT% | UNKNOWN | |
| NA2O | 3.61 | WT% | UNKNOWN | |
| K2O | 1.5 | WT% | UNKNOWN | |
| P2O5 | 0.66 | WT% | UNKNOWN | |
| TOTAL | 99.35 | WT% | UNKNOWN | |
| CR | 280 | PPM | UNKNOWN | |
| RB | 20 | PPM | UNKNOWN | |
| SR | 940 | PPM | UNKNOWN | |
| ZR | 200 | PPM | UNKNOWN |