Sample 421
NavDat sample number 17883 · RHYOLITE
Sample
| Sample ID | 421 |
|---|---|
| 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 | 33.3908 |
|---|---|
| Longitude | -108.673 |
| Location | Apache springs |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.3 | 26.5 | 28.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.78 | WT% | EDXRF | |
| TIO2 | 0.29 | WT% | EDXRF | |
| AL2O3 | 12.7 | WT% | EDXRF | |
| FEO | 0.18 | WT% | EDXRF | |
| FE2O3 | 1.38 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | 0.3 | WT% | EDXRF | |
| CAO | 0.75 | WT% | EDXRF | |
| NA2O | 3.23 | WT% | EDXRF | |
| K2O | 4.5 | WT% | EDXRF | |
| P2O5 | 0.01 | WT% | EDXRF | |
| H2O_PLUS | 0.96 | WT% | EDXRF | |
| TOTAL | 100.02 | WT% | EDXRF | |
| BA | 155 | PPM | EDXRF | |
| CR | -1 | PPM | EDXRF | |
| HF | 7 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 241 | PPM | EDXRF | |
| SC | 4.1 | PPM | EDXRF | |
| SR | 69 | PPM | EDXRF | |
| TA | 1.4 | PPM | EDXRF | |
| TH | 29.2 | PPM | EDXRF | |
| U | 8.4 | PPM | EDXRF | |
| V | 14 | PPM | EDXRF | |
| Y | 56 | PPM | EDXRF | |
| ZN | 61 | PPM | EDXRF | |
| ZR | 170 | PPM | EDXRF | |
| LA | 27.9 | PPM | EDXRF | |
| CE | 60 | PPM | EDXRF | |
| ND | 16 | PPM | EDXRF | |
| SM | 5.3 | PPM | EDXRF | |
| EU | 0.35 | PPM | EDXRF | |
| TB | 0.45 | PPM | EDXRF | |
| YB | 3.75 | PPM | EDXRF | |
| LU | 0.82 | PPM | EDXRF |