Sample N58
NavDat sample number 21680 · TUFF
Sample
| Sample ID | N58 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 28.33 |
|---|---|
| Longitude | -107.87 |
| Location | Tomochic caldera |
| State / province | CHIHUAHUA |
| Formation | Rio Verde tuff, member 2 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32 | 30 | 34 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| RB | 145 | PPM | XRF | |
| SR | 136 | PPM | XRF | |
| Y | 38 | PPM | XRF | |
| ZR | 264 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| SC | 7.6 | PPM | NAA | |
| V | 23 | PPM | NAA | |
| CO | 1.9 | PPM | NAA | |
| ZN | 137 | PPM | NAA | |
| ARSENIC | 7.6 | PPM | NAA | |
| SB | 2 | PPM | NAA | |
| CS | 2.3 | PPM | NAA | |
| BA | 1240 | PPM | NAA | |
| LA | 40 | PPM | NAA | |
| CE | 80 | PPM | NAA | |
| SM | 8.8 | PPM | NAA | |
| EU | 1.9 | PPM | NAA | |
| TB | 1.1 | PPM | NAA | |
| YB | 4.6 | PPM | NAA | |
| LU | 0.68 | PPM | NAA | |
| HF | 8 | PPM | NAA | |
| TA | 0.9 | PPM | NAA | |
| TH | 16 | PPM | NAA | |
| U | 5 | PPM | NAA |