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Sample MB8342
NavDat sample number 12620 · TRACHYTE
Sample
| Sample ID | MB8342 |
|---|
| Rock name | TRACHYTE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 29.7033 |
|---|
| Longitude | -102.993 |
|---|
| Location | interior, Middle Black Hill |
|---|
| State / province | Texas |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 31 |
|
26 |
38 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 58.2 | | WT% | XRF |
| TIO2 | 0.24 | | WT% | XRF |
| AL2O3 | 17.89 | | WT% | XRF |
| FE2O3 | 6.13 | | WT% | XRF |
| FEO | 0.2 | | WT% | XRF |
| MNO | 0.2 | | WT% | XRF |
| MGO | 0.2 | | WT% | XRF |
| CAO | 1.58 | | WT% | XRF |
| NA2O | 6.4 | | WT% | XRF |
| K2O | 5.65 | | WT% | XRF |
| P2O5 | 0.13 | | WT% | XRF |
| CO2 | 0.7 | | WT% | XRF |
| TOTAL | 96.93 | | WT% | XRF |
| RB | 160 | | PPM | XRF |
| SR | 30 | | PPM | XRF |
| ZR | 670 | | PPM | XRF |
