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Sample EB8350
NavDat sample number 12625 · TRACHYTE
Sample
| Sample ID | EB8350 |
|---|
| 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 | 60.6 | | WT% | XRF |
| TIO2 | 0.09 | | WT% | XRF |
| AL2O3 | 18.1 | | WT% | XRF |
| FE2O3 | 5.02 | | WT% | XRF |
| FEO | 0.3 | | WT% | XRF |
| MNO | 0.22 | | WT% | XRF |
| MGO | 0.06 | | WT% | XRF |
| CAO | 0.98 | | WT% | XRF |
| NA2O | 7.3 | | WT% | XRF |
| K2O | 5.5 | | WT% | XRF |
| P2O5 | 0.06 | | WT% | XRF |
| CO2 | 0.1 | | WT% | XRF |
| TOTAL | 98.23 | | WT% | XRF |
| RB | 220 | | PPM | XRF |
| SR | 10 | | PPM | XRF |
| ZR | 1070 | | PPM | XRF |