Sample 298
NavDat sample number 17772 · RHYODACITE
Sample
| Sample ID | 298 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Maximum and minimum ages given are approximations based on average error of previous K-Ar dating. |
Location
| Latitude | 33.47 |
|---|---|
| Longitude | -107.412 |
| Location | S San Mateo Mtns. |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.5 | 27.8 | 31.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| BA | 896 | PPM | EDXRF | |
| CR | 17 | PPM | EDXRF | |
| HF | 6.2 | PPM | EDXRF | |
| NI | 15 | PPM | EDXRF | |
| RB | 140 | PPM | EDXRF | |
| SC | 7.2 | PPM | EDXRF | |
| SR | 461 | PPM | EDXRF | |
| TA | 1.2 | PPM | EDXRF | |
| TH | 17.1 | PPM | EDXRF | |
| U | 6.3 | PPM | EDXRF | |
| V | 47 | PPM | EDXRF | |
| Y | 37 | PPM | EDXRF | |
| ZN | 51 | PPM | EDXRF | |
| ZR | 255 | PPM | EDXRF | |
| CE | 81 | PPM | EDXRF | |
| ND | 22 | PPM | EDXRF | |
| SM | 7.4 | PPM | EDXRF | |
| EU | 1.44 | PPM | EDXRF | |
| TB | 0.74 | PPM | EDXRF | |
| YB | 2.81 | PPM | EDXRF | |
| LU | 0.44 | PPM | EDXRF | |
| SIO2 | 66.78 | WT% | EDXRF | |
| TIO2 | 0.83 | WT% | EDXRF | |
| AL2O3 | 14.59 | WT% | EDXRF | |
| FEO | 0.87 | WT% | EDXRF | |
| FE2O3 | 2.85 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | 1.06 | WT% | EDXRF | |
| CAO | 2.59 | WT% | EDXRF | |
| NA2O | 4.34 | WT% | EDXRF | |
| K2O | 4.22 | WT% | EDXRF | |
| P2O5 | 0.23 | WT% | EDXRF | |
| H2O_PLUS | 0.64 | WT% | EDXRF | |
| TOTAL | 99.28 | WT% | EDXRF |