Sample ER 4-1B
NavDat sample number 15794 · RHYOLITE
Sample
| Sample ID | ER 4-1B |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 36.05 |
|---|---|
| Longitude | -106.422 |
| Location | E.R.R. Central Dome |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.01 | 1.95 | 2.07 |
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.42 | WT% | XRF | |
| TIO2 | 0.09 | WT% | XRF | |
| AL2O3 | 12.27 | WT% | XRF | |
| FE2O3T | 0.61 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 0.1 | WT% | XRF | |
| CAO | 0.59 | WT% | XRF | |
| NA2O | 3.6 | WT% | XRF | |
| K2O | 4.85 | WT% | XRF | |
| P2O5 | 0 | WT% | XRF | |
| LOI | 3.03 | WT% | XRF | |
| TOTAL | 99.61 | WT% | XRF | |
| RB | 136 | PPM | XRF | |
| CS | 4.5 | PPM | INAA | |
| U | 8 | PPM | INAA | |
| TH | 18.1 | PPM | INAA | |
| NB | 37 | PPM | XRF | |
| TA | 5.3 | PPM | INAA | |
| SR | -5 | PPM | XRF | |
| BA | 23 | PPM | XRF | |
| ZR | 50 | PPM | XRF | |
| HF | 3.1 | PPM | INAA | |
| SC | 2.81 | PPM | INAA | |
| LA | 22.2 | PPM | INAA | |
| CE | 41 | PPM | INAA | |
| SM | 4.1 | PPM | INAA | |
| EU | 0.2 | PPM | INAA | |
| DY | 3.4 | PPM | INAA | |
| YB | 2.6 | PPM | INAA | |
| LU | 0.36 | PPM | INAA |