Sample 460
NavDat sample number 17920 · ANDESITE
Sample
| Sample ID | 460 |
|---|---|
| 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 | 33.5456 |
|---|---|
| Longitude | -108.603 |
| Location | Negrito creek |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27 | 23 | 30 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62 | WT% | EDXRF | |
| TIO2 | 0.75 | WT% | EDXRF | |
| AL2O3 | 16.5 | WT% | EDXRF | |
| FEO | 5.01 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | 2.5 | WT% | EDXRF | |
| CAO | 4.55 | WT% | EDXRF | |
| NA2O | 3.68 | WT% | EDXRF | |
| K2O | 2.93 | WT% | EDXRF | |
| TOTAL | 97.99 | WT% | EDXRF | |
| BA | 949 | PPM | EDXRF | |
| CR | 46 | PPM | EDXRF | |
| HF | 6 | PPM | EDXRF | |
| NI | 23 | PPM | EDXRF | |
| RB | 78 | PPM | EDXRF | |
| SC | 11 | PPM | EDXRF | |
| SR | 488 | PPM | EDXRF | |
| TA | -0.5 | PPM | EDXRF | |
| TH | 6.9 | PPM | EDXRF | |
| U | 2 | PPM | EDXRF | |
| V | 73 | PPM | EDXRF | |
| Y | 24 | PPM | EDXRF | |
| ZN | 72 | PPM | EDXRF | |
| ZR | 224 | PPM | EDXRF | |
| LA | 29.8 | PPM | EDXRF | |
| CE | 63 | PPM | EDXRF | |
| ND | 39 | PPM | EDXRF | |
| SM | 5.3 | PPM | EDXRF | |
| EU | 1.37 | PPM | EDXRF | |
| TB | 0.81 | PPM | EDXRF | |
| YB | 2.25 | PPM | EDXRF | |
| LU | 0.34 | PPM | EDXRF |