Sample LR89-007pum
NavDat sample number 30134 · PYROCLASTIC-FALL
Sample
| Sample ID | LR89-007pum |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.9214 |
|---|---|
| Longitude | -106.916 |
| Location | Nelson Mtn SE Ridge |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.6 | 26.1 | 27 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.54 | WT% | XRF | |
| TIO2 | 0.95 | WT% | XRF | |
| AL2O3 | 17.45 | WT% | XRF | |
| FE2O3 | 6.11 | WT% | XRF | |
| MGO | 1.74 | WT% | XRF | |
| CAO | 4.72 | WT% | XRF | |
| NA2O | 3.82 | WT% | XRF | |
| K2O | 3.77 | WT% | XRF | |
| P2O5 | 0.47 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| LOI | 0.83 | WT% | XRF | |
| TOTAL | 99.67 | WT% | XRF | |
| ZN | 137 | PPM | XRF | |
| RB | 102 | PPM | XRF | |
| SR | 809 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 285 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| PB | 44 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 1986 | PPM | XRF | |
| LA | 48 | PPM | XRF | |
| CE | 94 | PPM | XRF | |
| ND | 40 | PPM | XRF | |
| CS | 2.5 | PPM | INAA | |
| RB | 93 | PPM | INAA | |
| BA | 1990 | PPM | INAA | |
| SR | 852 | PPM | INAA | |
| TH | 7.17 | PPM | INAA | |
| U | 2.89 | PPM | INAA | |
| LA | 43.2 | PPM | INAA | |
| CE | 95 | PPM | INAA | |
| ND | 48.4 | PPM | INAA | |
| SM | 9.49 | PPM | INAA | |
| EU | 2.19 | PPM | INAA | |
| GD | 7.48 | PPM | INAA | |
| TB | 0.97 | PPM | INAA | |
| HO | 1.19 | PPM | INAA | |
| TM | 0.49 | PPM | INAA | |
| YB | 3.05 | PPM | INAA | |
| LU | 0.47 | PPM | INAA | |
| TA | 0.87 | PPM | INAA | |
| ZR | 262 | PPM | INAA | |
| HF | 6.38 | PPM | INAA | |
| SB | 0.18 | PPM | INAA | |
| SC | 10.3 | PPM | INAA | |
| CR | 2.77 | PPM | INAA | |
| CO | 10.1 | PPM | INAA | |
| NI | 8.2 | PPM | INAA | |
| ZN | 94.6 | PPM | INAA |