← Search
Sample EB8351
NavDat sample number 12614 · TRACHYTE
Sample
| Sample ID | EB8351 |
|---|
| Rock name | TRACHYTE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 29.7 |
|---|
| Longitude | -102.945 |
|---|
| Location | chilled margin, East Black Hill intrusion |
|---|
| State / province | Texas |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 36.5 |
|
26 |
38 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 60.4 | | WT% | XRF |
| TIO2 | 0.09 | | WT% | XRF |
| AL2O3 | 18 | | WT% | XRF |
| FE2O3 | 5.09 | | WT% | XRF |
| FEO | 0.2 | | WT% | XRF |
| MNO | 0.21 | | WT% | XRF |
| MGO | 0.17 | | WT% | XRF |
| CAO | 0.7 | | WT% | XRF |
| NA2O | 7.02 | | WT% | XRF |
| K2O | 5.51 | | WT% | XRF |
| P2O5 | 0.06 | | WT% | XRF |
| CO2 | 0.1 | | WT% | XRF |
| TOTAL | 97.45 | | WT% | XRF |
| RB | 210 | | PPM | XRF |
| SR | 30 | | PPM | XRF |
| ZR | 1170 | | PPM | XRF |
| SR87_SR86 | 0.70578 | | | PER_COM |
