Sample 277
NavDat sample number 17751 · ANDESITE
Sample
| Sample ID | 277 |
|---|---|
| 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 | 33.0703 |
|---|---|
| Longitude | -108.217 |
| Location | Alum Mtn Cmplx |
| 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 |
|---|---|---|---|---|
| BA | 960 | PPM | EDXRF | |
| CR | 54 | PPM | EDXRF | |
| HF | 8.1 | PPM | EDXRF | |
| NI | 50 | PPM | EDXRF | |
| RB | 148 | PPM | EDXRF | |
| SC | 15 | PPM | EDXRF | |
| SR | 414 | PPM | EDXRF | |
| TA | -0.5 | PPM | EDXRF | |
| TH | 21.4 | PPM | EDXRF | |
| U | 6.9 | PPM | EDXRF | |
| V | 97 | PPM | EDXRF | |
| Y | 35 | PPM | EDXRF | |
| ZN | 72 | PPM | EDXRF | |
| ZR | 302 | PPM | EDXRF | |
| LA | 50.5 | PPM | EDXRF | |
| CE | 102 | PPM | EDXRF | |
| SM | 8.4 | PPM | EDXRF | |
| EU | 1.48 | PPM | EDXRF | |
| TB | 1.1 | PPM | EDXRF | |
| YB | 2.91 | PPM | EDXRF | |
| LU | 0.41 | PPM | EDXRF | |
| SIO2 | 58.6 | WT% | EDXRF | |
| TIO2 | 0.94 | WT% | EDXRF | |
| AL2O3 | 16 | WT% | EDXRF | |
| FEO | 2 | WT% | EDXRF | |
| FE2O3 | 5 | WT% | EDXRF | |
| MNO | 0.12 | WT% | EDXRF | |
| MGO | 3.6 | WT% | EDXRF | |
| CAO | 5.2 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 3 | WT% | EDXRF | |
| P2O5 | 0.29 | WT% | EDXRF | |
| H2O_PLUS | 1.4 | WT% | EDXRF | |
| TOTAL | 100.01 | WT% | EDXRF |