Sample A-13
NavDat sample number 67188 · TUFF
Sample
| Sample ID | A-13 |
|---|---|
| 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 | 74 | WT% | XRF | |
| AL2O3 | 12.2 | WT% | XRF | |
| FE2O3 | 0.72 | WT% | XRF | |
| MGO | 0.13 | WT% | XRF | |
| CAO | 0.85 | WT% | XRF | |
| NA2O | 3.9 | WT% | XRF | |
| K2O | 4.43 | WT% | XRF | |
| TIO2 | 0.12 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| BA | 136 | PPM | XRF | |
| NB | 24 | PPM | XRF | |
| ZR | 62 | PPM | XRF | |
| Y | 34 | PPM | XRF | |
| SR | 82 | PPM | XRF | |
| RB | 168 | PPM | XRF | |
| SC | 6.29 | PPM | INAA | |
| CR | 0.46 | PPM | INAA | |
| CO | 0.41 | PPM | INAA | |
| ARSENIC | 1.4 | PPM | INAA | |
| BR | 1.4 | PPM | INAA | |
| SB | 0.065 | PPM | INAA | |
| RB | 190 | PPM | INAA | |
| SR | 71 | PPM | INAA | |
| CS | 4.59 | PPM | INAA | |
| BA | 230 | PPM | INAA | |
| LA | 24.9 | PPM | INAA | |
| CE | 57 | PPM | INAA | |
| ND | 26 | PPM | INAA | |
| SM | 6.67 | PPM | INAA | |
| EU | 0.666 | PPM | INAA | |
| TB | 0.91 | PPM | INAA | |
| YB | 3.9 | PPM | INAA | |
| LU | 0.55 | PPM | INAA | |
| ZR | 120 | PPM | INAA | |
| HF | 3.61 | PPM | INAA | |
| TA | 1.42 | PPM | INAA | |
| TH | 19.3 | PPM | INAA | |
| U | 6.6 | PPM | INAA |