Sample 38
NavDat sample number 17561 · ANDESITE
Sample
| Sample ID | 38 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Maximum and minimum ages given are approximations based on average error of previous K-Ar dating. |
Location
| Latitude | 34.284 |
|---|---|
| Longitude | -106.782 |
| Location | Spears formation |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 37.1 | 35.6 | 38.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| BA | 1216 | PPM | EDXRF | |
| CR | 17 | PPM | EDXRF | |
| HF | 6.1 | PPM | EDXRF | |
| NI | 18 | PPM | EDXRF | |
| RB | 71 | PPM | EDXRF | |
| SC | 10 | PPM | EDXRF | |
| SR | 1026 | PPM | EDXRF | |
| TA | 1 | PPM | EDXRF | |
| TH | 11.8 | PPM | EDXRF | |
| U | 3.6 | PPM | EDXRF | |
| V | 80 | PPM | EDXRF | |
| Y | 30 | PPM | EDXRF | |
| ZN | 58 | PPM | EDXRF | |
| ZR | 257 | PPM | EDXRF | |
| LA | 55.1 | PPM | EDXRF | |
| CE | 100 | PPM | EDXRF | |
| ND | 63 | PPM | EDXRF | |
| SM | 8.3 | PPM | EDXRF | |
| EU | 2.16 | PPM | EDXRF | |
| TB | 0.89 | PPM | EDXRF | |
| YB | 2.78 | PPM | EDXRF | |
| LU | 0.37 | PPM | EDXRF | |
| SIO2 | 58.96 | WT% | EDXRF | |
| TIO2 | 0.72 | WT% | EDXRF | |
| AL2O3 | 15.87 | WT% | EDXRF | |
| FEO | 0.83 | WT% | EDXRF | |
| FE2O3 | 5.4 | WT% | EDXRF | |
| MNO | 0.09 | WT% | EDXRF | |
| MGO | 2.57 | WT% | EDXRF | |
| CAO | 5.61 | WT% | EDXRF | |
| NA2O | 3.95 | WT% | EDXRF | |
| K2O | 3.38 | WT% | EDXRF | |
| P2O5 | 0.35 | WT% | EDXRF | |
| H2O_PLUS | 1.37 | WT% | EDXRF | |
| TOTAL | 99.68 | WT% | EDXRF |