Sample CR-RM-1
NavDat sample number 46012 · PYROCLASTIC-FALL
Sample
| Sample ID | CR-RM-1 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.559 |
|---|---|
| Longitude | -106.683 |
| Location | Ribbon Mesa |
| State / province | COLORADO |
| Formation | Bachelor Caldera Cycle, Carpenter Ridge Tuff, mafic fiamme zone |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.35 | 27.25 | 27.45 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.06 | WT% | XRF | |
| TIO2 | 0.324138 | WT% | XRF | |
| AL2O3 | 16.683 | WT% | XRF | |
| FE2O3 | 2.7653 | WT% | XRF | |
| MGO | 0.516595 | WT% | XRF | |
| CAO | 1.73211 | WT% | XRF | |
| NA2O | 4.10237 | WT% | XRF | |
| K2O | 5.36853 | WT% | XRF | |
| P2O5 | 0.111422 | WT% | XRF | |
| MNO | 0.0405172 | WT% | XRF | |
| LOI | 1.26 | WT% | XRF | |
| TOTAL | 98.7 | WT% | XRF | |
| ZN | 69 | PPM | XRF | |
| SR | 530 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| PB | 20 | PPM | XRF | |
| TH | 11 | PPM | XRF | |
| BA | 5800 | PPM | XRF | |
| LA | 46 | PPM | XRF | |
| CE | 75 | PPM | XRF | |
| CU | 3 | PPM | XRF | |
| GA | 15 | PPM | XRF | |
| RB | 106 | PPM | INAA | |
| BA | 5990 | PPM | INAA | |
| SR | 552 | PPM | INAA | |
| TH | 10.2 | PPM | INAA | |
| U | 3.78 | PPM | INAA | |
| LA | 41.9 | PPM | INAA | |
| CE | 76.3 | PPM | INAA | |
| ND | 31.8 | PPM | INAA | |
| SM | 5.45 | PPM | INAA | |
| EU | 2.25 | PPM | INAA | |
| GD | 5.36 | PPM | INAA | |
| TB | 0.65 | PPM | INAA | |
| TM | 0.437 | PPM | INAA | |
| YB | 2.41 | PPM | INAA | |
| LU | 0.375 | PPM | INAA | |
| TA | 0.775 | PPM | INAA | |
| ZR | 517 | PPM | INAA | |
| HF | 12.9 | PPM | INAA | |
| SB | 0.355 | PPM | INAA | |
| SC | 5.17 | PPM | INAA | |
| CR | 0.382 | PPM | INAA | |
| CO | 2.49 | PPM | INAA | |
| NI | 12.1 | PPM | INAA | |
| ZN | 76.7 | PPM | INAA |