Sample 497
NavDat sample number 17940 · ANDESITE
Sample
| Sample ID | 497 |
|---|---|
| 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 | 33.3931 |
|---|---|
| Longitude | -108.787 |
| 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 | 61.48 | WT% | EDXRF | |
| TIO2 | 0.88 | WT% | EDXRF | |
| AL2O3 | 14.79 | WT% | EDXRF | |
| FEO | 0.42 | WT% | EDXRF | |
| FE2O3 | 4.44 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | 2.62 | WT% | EDXRF | |
| CAO | 1.85 | WT% | EDXRF | |
| NA2O | 1.92 | WT% | EDXRF | |
| K2O | 8.62 | WT% | EDXRF | |
| P2O5 | 0.35 | WT% | EDXRF | |
| H2O_PLUS | 1.38 | WT% | EDXRF | |
| TOTAL | 99.29 | WT% | EDXRF | |
| BA | 1361 | PPM | EDXRF | |
| CR | 50 | PPM | EDXRF | |
| HF | 6.5 | PPM | EDXRF | |
| NI | 37 | PPM | EDXRF | |
| RB | 469 | PPM | EDXRF | |
| SC | 9.9 | PPM | EDXRF | |
| SR | 334 | PPM | EDXRF | |
| TA | 0.7 | PPM | EDXRF | |
| TH | 8.5 | PPM | EDXRF | |
| U | 2 | PPM | EDXRF | |
| V | 76 | PPM | EDXRF | |
| Y | 40 | PPM | EDXRF | |
| ZN | 64 | PPM | EDXRF | |
| ZR | 246 | PPM | EDXRF | |
| LA | 46.4 | PPM | EDXRF | |
| CE | 74 | PPM | EDXRF | |
| ND | 48 | PPM | EDXRF | |
| SM | 6.4 | PPM | EDXRF | |
| EU | 1.58 | PPM | EDXRF | |
| TB | 0.71 | PPM | EDXRF | |
| YB | 1.12 | PPM | EDXRF | |
| LU | 0.27 | PPM | EDXRF |