Sample 274
NavDat sample number 17748 · RHYODACITE
Sample
| Sample ID | 274 |
|---|---|
| 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 | 33.1283 |
|---|---|
| Longitude | -108.254 |
| Location | Alum Mtn Cmplx |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.7 | 28.7 | 30.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| BA | 571 | PPM | EDXRF | |
| CR | 22 | PPM | EDXRF | |
| HF | 5.9 | PPM | EDXRF | |
| NI | 4 | PPM | EDXRF | |
| RB | 253 | PPM | EDXRF | |
| SC | 4.3 | PPM | EDXRF | |
| SR | 222 | PPM | EDXRF | |
| TA | 1.7 | PPM | EDXRF | |
| TH | 23 | PPM | EDXRF | |
| V | 28 | PPM | EDXRF | |
| Y | 41 | PPM | EDXRF | |
| ZN | 42 | PPM | EDXRF | |
| ZR | 156 | PPM | EDXRF | |
| LA | 29.8 | PPM | EDXRF | |
| CE | 68 | PPM | EDXRF | |
| ND | 34 | PPM | EDXRF | |
| SM | 4.8 | PPM | EDXRF | |
| EU | 0.51 | PPM | EDXRF | |
| TB | 1.04 | PPM | EDXRF | |
| YB | 3.27 | PPM | EDXRF | |
| LU | 0.64 | PPM | EDXRF | |
| SIO2 | 69.4 | WT% | EDXRF | |
| TIO2 | 0.24 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 0.88 | WT% | EDXRF | |
| FE2O3 | 0.73 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | 0.68 | WT% | EDXRF | |
| CAO | 2.1 | WT% | EDXRF | |
| NA2O | 3.9 | WT% | EDXRF | |
| K2O | 2.4 | WT% | EDXRF | |
| P2O5 | 0.06 | WT% | EDXRF | |
| H2O_PLUS | 6.6 | WT% | EDXRF | |
| TOTAL | 100.11 | WT% | EDXRF |