Sample 139
NavDat sample number 17624 · RHYOLITE
Sample
| Sample ID | 139 |
|---|---|
| Rock name | RHYOLITE |
| 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 | 32.9508 |
|---|---|
| Longitude | -107.774 |
| Location | Holden Prong |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 30 | 36 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70 | WT% | EDXRF | |
| TIO2 | 0.5 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 2.75 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | 1.5 | WT% | EDXRF | |
| CAO | 2.57 | WT% | EDXRF | |
| NA2O | 3.85 | WT% | EDXRF | |
| K2O | 3.44 | WT% | EDXRF | |
| TOTAL | 98.65 | WT% | EDXRF | |
| BA | 858 | PPM | EDXRF | |
| CR | 28 | PPM | EDXRF | |
| HF | 5.6 | PPM | EDXRF | |
| NI | 15 | PPM | EDXRF | |
| RB | 132 | PPM | EDXRF | |
| SC | 6.1 | PPM | EDXRF | |
| SR | 423 | PPM | EDXRF | |
| TA | 0.9 | PPM | EDXRF | |
| TH | 14.6 | PPM | EDXRF | |
| U | 3.2 | PPM | EDXRF | |
| V | 41 | PPM | EDXRF | |
| Y | 26 | PPM | EDXRF | |
| ZN | 63 | PPM | EDXRF | |
| ZR | 209 | PPM | EDXRF | |
| LA | 41.5 | PPM | EDXRF | |
| CE | 87 | PPM | EDXRF | |
| ND | 30 | PPM | EDXRF | |
| SM | 5.1 | PPM | EDXRF | |
| EU | 1.38 | PPM | EDXRF | |
| YB | 2.01 | PPM | EDXRF | |
| LU | 0.2 | PPM | EDXRF |