Sample 283
NavDat sample number 17757 · ANDESITE
Sample
| Sample ID | 283 |
|---|---|
| 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 | 33.0839 |
|---|---|
| Longitude | -108.009 |
| Location | Alum Mtn., salt creek member |
| 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 |
|---|---|---|---|---|
| SIO2 | 58.56 | WT% | EDXRF | |
| TIO2 | 1 | WT% | EDXRF | |
| AL2O3 | 17.1 | WT% | EDXRF | |
| FEO | 1.05 | WT% | EDXRF | |
| FE2O3 | 4.93 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | 2.48 | WT% | EDXRF | |
| CAO | 4.76 | WT% | EDXRF | |
| NA2O | 4.22 | WT% | EDXRF | |
| K2O | 3.02 | WT% | EDXRF | |
| P2O5 | 0.47 | WT% | EDXRF | |
| H2O_PLUS | 1.19 | WT% | EDXRF | |
| TOTAL | 99.7 | WT% | EDXRF | |
| BA | 1188 | PPM | EDXRF | |
| CR | 31 | PPM | EDXRF | |
| NI | 41 | PPM | EDXRF | |
| RB | 74 | PPM | EDXRF | |
| SR | 836 | PPM | EDXRF | |
| V | 78 | PPM | EDXRF | |
| Y | 22 | PPM | EDXRF | |
| ZN | 96 | PPM | EDXRF | |
| ZR | 325 | PPM | EDXRF |