Sample N70
NavDat sample number 21664
Sample
| Sample ID | N70 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
Location
| Latitude | 28.33 |
|---|---|
| Longitude | -107.87 |
| Location | Tomochic volcanic center |
| State / province | CHIHUAHUA |
| Formation | Lagunitas mafic lavas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30 | 28 | 32 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.87 | WT% | WET | |
| TIO2 | 1.16 | WT% | WET | |
| AL2O3 | 18.33 | WT% | WET | |
| FE2O3 | 2.68 | WT% | WET | |
| FEO | 4.41 | WT% | WET | |
| MNO | 0.12 | WT% | WET | |
| MGO | 3.56 | WT% | WET | |
| CAO | 6.67 | WT% | WET | |
| NA2O | 3.46 | WT% | WET | |
| K2O | 1.71 | WT% | WET | |
| H2O_PLUS | 0.6 | WT% | WET | |
| H2O_MINUS | 0.15 | WT% | WET | |
| P2O5 | 0.39 | WT% | WET | |
| CO2 | 0 | WT% | WET | |
| TOTAL | 100.11 | WT% | WET | |
| RB | 41 | PPM | XRF | |
| SR | 802 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| ZR | 164 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| SC | 12.1 | PPM | NAA | |
| V | 140 | PPM | NAA | |
| CO | 32 | PPM | NAA | |
| ZN | 148 | PPM | NAA | |
| CS | 0.37 | PPM | NAA | |
| BA | 758 | PPM | NAA | |
| LA | 23 | PPM | NAA | |
| CE | 48 | PPM | NAA | |
| SM | 5.3 | PPM | NAA | |
| ND | 23 | PPM | NAA | |
| EU | 1.7 | PPM | NAA | |
| TB | 0.56 | PPM | NAA | |
| YB | 1.7 | PPM | NAA | |
| LU | 0.23 | PPM | NAA | |
| HF | 3.3 | PPM | NAA | |
| TA | 0.42 | PPM | NAA | |
| TH | 2.3 | PPM | NAA | |
| U | 0.75 | PPM | NAA | |
| SR87_SR86 | 0.7051 | TIMS | ||
| ND143_ND144 | 0.51264 | TIMS |