Sample 42
NavDat sample number 17565 · ANDESITE
Sample
| Sample ID | 42 |
|---|---|
| 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 | 34.185 |
|---|---|
| Longitude | -107.86 |
| 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 | 1377 | PPM | EDXRF | |
| CR | 24 | PPM | EDXRF | |
| HF | 3.7 | PPM | EDXRF | |
| NI | 18 | PPM | EDXRF | |
| RB | 57 | PPM | EDXRF | |
| SC | 7.7 | PPM | EDXRF | |
| SR | 962 | PPM | EDXRF | |
| TA | 0.5 | PPM | EDXRF | |
| TH | 4.4 | PPM | EDXRF | |
| U | 1.6 | PPM | EDXRF | |
| V | 59 | PPM | EDXRF | |
| Y | 20 | PPM | EDXRF | |
| ZN | 47 | PPM | EDXRF | |
| ZR | 182 | PPM | EDXRF | |
| LA | 24.3 | PPM | EDXRF | |
| CE | 53 | PPM | EDXRF | |
| ND | 51 | PPM | EDXRF | |
| SM | 4.3 | PPM | EDXRF | |
| EU | 1.21 | PPM | EDXRF | |
| TB | 0.64 | PPM | EDXRF | |
| YB | 1.98 | PPM | EDXRF | |
| LU | 0.2 | PPM | EDXRF | |
| SIO2 | 58.4 | WT% | EDXRF | |
| TIO2 | 0.76 | WT% | EDXRF | |
| AL2O3 | 15.41 | WT% | EDXRF | |
| FEO | 0.4 | WT% | EDXRF | |
| FE2O3 | 3.31 | WT% | EDXRF | |
| MNO | 0.08 | WT% | EDXRF | |
| MGO | 1.97 | WT% | EDXRF | |
| CAO | 6.95 | WT% | EDXRF | |
| NA2O | 4.15 | WT% | EDXRF | |
| K2O | 3.9 | WT% | EDXRF | |
| P2O5 | 0.61 | WT% | EDXRF | |
| H2O_PLUS | 3.41 | WT% | EDXRF | |
| TOTAL | 99.6 | WT% | EDXRF |