Sample 1004-31
NavDat sample number 39681 · ANDESITE
Sample
| Sample ID | 1004-31 |
|---|---|
| Alternate ID | 1368 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Smithsonian/Univ. Of Maryland |
Location
| Latitude | 21.44 |
|---|---|
| Longitude | -104.96 |
| Location | San Juan |
| State / province | Nayarit |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2 | 1 | 3 | Holocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.53 | WT% | UNKNOWN | |
| TIO2 | 0.78 | WT% | UNKNOWN | |
| AL2O3 | 18.01 | WT% | UNKNOWN | |
| FE2O3 | 2.55 | WT% | UNKNOWN | |
| FEO | 3.23 | WT% | UNKNOWN | |
| MNO | 0.09 | WT% | UNKNOWN | |
| MGO | 2.65 | WT% | UNKNOWN | |
| CAO | 5.76 | WT% | UNKNOWN | |
| NA2O | 4.29 | WT% | UNKNOWN | |
| K2O | 1.74 | WT% | UNKNOWN | |
| P2O5 | 0.19 | WT% | UNKNOWN | |
| TOTAL | 98.91 | WT% | UNKNOWN | |
| NI | 10 | PPM | UNKNOWN | |
| CU | 18 | PPM | UNKNOWN | |
| ZN | 74 | PPM | UNKNOWN | |
| RB | 23 | PPM | UNKNOWN | |
| SR | 711 | PPM | UNKNOWN | |
| Y | 11 | PPM | UNKNOWN | |
| ZR | 122 | PPM | UNKNOWN | |
| BA | 864 | PPM | UNKNOWN |