Sample 499
NavDat sample number 17942 · ANDESITE
Sample
| Sample ID | 499 |
|---|---|
| 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 | 33.3333 |
|---|---|
| Longitude | -109 |
| Location | Last chance |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 25.4 | 25 | 25.9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.41 | WT% | EDXRF | |
| TIO2 | 1.24 | WT% | EDXRF | |
| AL2O3 | 16.6 | WT% | EDXRF | |
| FEO | 3.04 | WT% | EDXRF | |
| FE2O3 | 4.72 | WT% | EDXRF | |
| MNO | 0.1 | WT% | EDXRF | |
| MGO | 2.95 | WT% | EDXRF | |
| CAO | 5.68 | WT% | EDXRF | |
| NA2O | 3.92 | WT% | EDXRF | |
| K2O | 2.8 | WT% | EDXRF | |
| P2O5 | 0.55 | WT% | EDXRF | |
| H2O_PLUS | 0.7 | WT% | EDXRF | |
| TOTAL | 100.28 | WT% | EDXRF | |
| BA | 1916 | PPM | EDXRF | |
| CR | 76 | PPM | EDXRF | |
| HF | 7.6 | PPM | EDXRF | |
| NI | 64 | PPM | EDXRF | |
| RB | 69 | PPM | EDXRF | |
| SC | 14.9 | PPM | EDXRF | |
| SR | 663 | PPM | EDXRF | |
| TA | 0.8 | PPM | EDXRF | |
| TH | 7.7 | PPM | EDXRF | |
| V | 120 | PPM | EDXRF | |
| Y | 35 | PPM | EDXRF | |
| ZN | 89 | PPM | EDXRF | |
| ZR | 270 | PPM | EDXRF | |
| LA | 73.4 | PPM | EDXRF | |
| CE | 113 | PPM | EDXRF | |
| ND | 45 | PPM | EDXRF | |
| SM | 11.3 | PPM | EDXRF | |
| EU | 2.87 | PPM | EDXRF | |
| TB | 1.04 | PPM | EDXRF | |
| YB | 2.28 | PPM | EDXRF | |
| LU | 0.39 | PPM | EDXRF |