Sample 494
NavDat sample number 40764 · RHYOLITE
Sample
| Sample ID | 494 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | A-type |
Location
| Latitude | 33.203 |
|---|---|
| Longitude | -103.024 |
| State / province | Texas |
| County | Yaokum |
| Location comment | 106 D J.H. Gibson |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1385 | 1370 | 1400 |
Analyses
WR
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.15 | WT% | ICPMS | |
| TIO2 | 0.57 | WT% | ICPMS | |
| AL2O3 | 16.52 | WT% | ICPMS | |
| FE2O3 | 5.55 | WT% | ICPMS | |
| MNO | 0.08 | WT% | ICPMS | |
| MGO | 0.69 | WT% | ICPMS | |
| CAO | 0.37 | WT% | ICPMS | |
| NA2O | 2.24 | WT% | ICPMS | |
| K2O | 5.64 | WT% | ICPMS | |
| P2O5 | 0.1 | WT% | ICPMS | |
| TOTAL | 99.9 | WT% | ICPMS | |
| RB | 246 | PPM | ICPMS | |
| SR | 89 | PPM | ICPMS | |
| ZR | 573 | PPM | ICPMS | |
| BA | 830 | PPM | ICPMS | |
| Y | 92.1 | PPM | ICPMS | |
| NB | 31 | PPM | ICPMS | |
| SC | 8 | PPM | ICPMS | |
| V | 23 | PPM | ICPMS | |
| CR | 18 | PPM | ICPMS | |
| NI | 11 | PPM | ICPMS | |
| CU | 110 | PPM | ICPMS | |
| ZN | 75 | PPM | ICPMS | |
| SM | 9.58 | PPM | TIMS | |
| ND | 46.83 | PPM | TIMS | |
| SM147_ND144 | 0.1238 | TIMS | ||
| ND143_ND144 | 0.512007 | TIMS | ||
| E_ND | -12.3 | TIMS | ||
| ND143_ND144_INITIAL | 0.5 | TIMS |