Sample 21-131
NavDat sample number 33171 · BASALTIC-ANDESITE
Sample
| Sample ID | 21-131 |
|---|---|
| Alternate ID | 1487 |
| Rock name | BASALTIC-ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | UC Berkeley |
Location
| Latitude | 21.55 |
|---|---|
| Longitude | -103.38 |
| Location | Sierra Madre, Teul |
| State / province | Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.75 | 23.8 | 33.7 | Oligocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.8 | WT% | UNKNOWN | |
| TIO2 | 1.02 | WT% | UNKNOWN | |
| AL2O3 | 18.9 | WT% | UNKNOWN | |
| FEOT | 6.43 | WT% | UNKNOWN | |
| MNO | 0.11 | WT% | UNKNOWN | |
| MGO | 2.9 | WT% | UNKNOWN | |
| CAO | 6.94 | WT% | UNKNOWN | |
| NA2O | 3.32 | WT% | UNKNOWN | |
| K2O | 1.88 | WT% | UNKNOWN | |
| P2O5 | 0.3 | WT% | UNKNOWN | |
| TOTAL | 97.6 | WT% | UNKNOWN | |
| S | 97.6 | UNKNOWN | ||
| SUMA_100 | 2.4 | WT% | UNKNOWN | |
| V | 135 | PPM | UNKNOWN | |
| NI | 5 | PPM | UNKNOWN | |
| RB | 32 | PPM | UNKNOWN | |
| SR | 920 | PPM | UNKNOWN | |
| Y | 21 | PPM | UNKNOWN | |
| ZR | 130 | PPM | UNKNOWN | |
| BA | 730 | PPM | UNKNOWN | |
| LA | 23 | PPM | UNKNOWN | |
| CE | 63 | PPM | UNKNOWN |
References
- Moore, Gordon; Marone, Chris; Carmichael, Ian S E; Renne, Paul (1994) Basaltic volcanism and extension near the intersection of the Sierra Madre volcanic province and the Mexican volcanic belt. Geological Society of America Bulletin. 106; 3, Pages 383-394. 1994. doi:10.1130/0016-7606(1994)106<0383:BVAENT>2.3.CO;2