Sample A-1
NavDat sample number 67187 · TUFF
Sample
| Sample ID | A-1 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | fiamme of Grizzly Peak Tuff |
Location
| Latitude | 39.08 |
|---|---|
| Longitude | -106.58 |
| Location | grizzly peak cauldron |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 29.7 | 36.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.5 | WT% | XRF | |
| AL2O3 | 12.6 | WT% | XRF | |
| FE2O3 | 0.82 | WT% | XRF | |
| MGO | 0.17 | WT% | XRF | |
| CAO | 0.65 | WT% | XRF | |
| NA2O | 3 | WT% | XRF | |
| K2O | 4.68 | WT% | XRF | |
| TIO2 | 0.11 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| LOI | 0.91 | WT% | XRF | |
| BA | 201 | PPM | XRF | |
| NB | 23 | PPM | XRF | |
| ZR | 73 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| SR | 102 | PPM | XRF | |
| RB | 210 | PPM | XRF | |
| SC | 6.38 | PPM | INAA | |
| CR | 2.8 | PPM | INAA | |
| CO | 0.33 | PPM | INAA | |
| ARSENIC | 1.26 | PPM | INAA | |
| BR | 0.96 | PPM | INAA | |
| SB | 0.97 | PPM | INAA | |
| RB | 183 | PPM | INAA | |
| SR | 198 | PPM | INAA | |
| CS | 4.6 | PPM | INAA | |
| BA | 185 | PPM | INAA | |
| LA | 24.56 | PPM | INAA | |
| CE | 56.6 | PPM | INAA | |
| ND | 25.5 | PPM | INAA | |
| SM | 6.59 | PPM | INAA | |
| EU | 0.659 | PPM | INAA | |
| TB | 0.94 | PPM | INAA | |
| YB | 3.7 | PPM | INAA | |
| LU | 0.58 | PPM | INAA | |
| ZR | 155 | PPM | INAA | |
| HF | 6.1 | PPM | INAA | |
| TA | 1.4 | PPM | INAA | |
| TH | 19.4 | PPM | INAA | |
| U | 6.2 | PPM | INAA |