Sample 87-135
NavDat sample number 16966 · PYROCLASTIC-FLOW
Sample
| Sample ID | 87-135 |
|---|---|
| Rock name | PYROCLASTIC-FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.747 |
|---|---|
| Longitude | -106.749 |
| Location | Palisades, north of Rio Grande, 9170' |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.2 | 27.1 | 27.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.391 | WT% | XRF | |
| TIO2 | 0.58696 | WT% | XRF | |
| AL2O3 | 16.4754 | WT% | XRF | |
| FE2O3 | 3.21816 | WT% | XRF | |
| MGO | 1.07272 | WT% | XRF | |
| CAO | 2.46928 | WT% | XRF | |
| NA2O | 3.56224 | WT% | XRF | |
| K2O | 5.13084 | WT% | XRF | |
| P2O5 | 0.26312 | WT% | XRF | |
| MNO | 0.03036 | WT% | XRF | |
| LOI | 1.54 | WT% | XRF | |
| TOTAL | 101.2 | WT% | XRF | |
| ZN | 53 | PPM | XRF | |
| RB | 132 | PPM | XRF | |
| SR | 491 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 248 | PPM | XRF | |
| BA | 1096 | PPM | XRF | |
| LA | 50 | PPM | XRF | |
| CE | 73 | PPM | XRF | |
| CU | 16 | PPM | XRF | |
| V | 43 | PPM | XRF | |
| TH | 13 | PPM | INAA | |
| U | 4 | PPM | INAA | |
| LA | 51.5 | PPM | INAA | |
| CE | 94.8 | PPM | INAA | |
| SM | 7.76 | PPM | INAA | |
| EU | 1.46 | PPM | INAA | |
| GD | 7.1 | PPM | INAA | |
| YB | 2.21 | PPM | INAA | |
| LU | 0.3 | PPM | INAA | |
| TA | 1.14 | PPM | INAA | |
| HF | 5.07 | PPM | INAA | |
| SC | 8.7 | PPM | INAA |