Sample N68
NavDat sample number 21666
Sample
| Sample ID | N68 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
Location
| Latitude | 28.33 |
|---|---|
| Longitude | -107.87 |
| Location | Las Varas caldera |
| State / province | CHIHUAHUA |
| Formation | Rancho Viejo hybrid lavas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 34.1 | 32.1 | 36.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.58 | WT% | WET | |
| TIO2 | 1.13 | WT% | WET | |
| AL2O3 | 17.7 | WT% | WET | |
| FE2O3 | 5.87 | WT% | WET | |
| FEO | 2.2 | WT% | WET | |
| MNO | 0.12 | WT% | WET | |
| MGO | 4.23 | WT% | WET | |
| CAO | 7.98 | WT% | WET | |
| NA2O | 3.15 | WT% | WET | |
| K2O | 1.37 | WT% | WET | |
| H2O_PLUS | 0.66 | WT% | WET | |
| H2O_MINUS | 0.68 | WT% | WET | |
| P2O5 | 0.14 | WT% | WET | |
| CO2 | 0.04 | WT% | WET | |
| TOTAL | 99.85 | WT% | WET | |
| RB | 39 | PPM | XRF | |
| SR | 816 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 136 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| SC | 20 | PPM | NAA | |
| V | 196 | PPM | NAA | |
| CO | 26 | PPM | NAA | |
| ARSENIC | 4.4 | PPM | NAA | |
| CS | 14 | PPM | NAA | |
| BA | 492 | PPM | NAA | |
| LA | 12 | PPM | NAA | |
| CE | 22 | PPM | NAA | |
| SM | 3.1 | PPM | NAA | |
| EU | 1.1 | PPM | NAA | |
| TB | 0.41 | PPM | NAA | |
| YB | 1.4 | PPM | NAA | |
| LU | 0.2 | PPM | NAA | |
| HF | 2.3 | PPM | NAA | |
| TA | 0.26 | PPM | NAA | |
| TH | 2.4 | PPM | NAA | |
| U | 0.71 | PPM | NAA | |
| SR87_SR86 | 0.7054 | TIMS | ||
| ND143_ND144 | 0.51267 | TIMS |