Sample A-2
NavDat sample number 67189 · TUFF
Sample
| Sample ID | A-2 |
|---|---|
| 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 | 71 | WT% | XRF | |
| AL2O3 | 12.9 | WT% | XRF | |
| FE2O3 | 1.35 | WT% | XRF | |
| MGO | 0.35 | WT% | XRF | |
| CAO | 3.44 | WT% | XRF | |
| NA2O | 3.45 | WT% | XRF | |
| K2O | 3.9 | WT% | XRF | |
| TIO2 | 0.17 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| BA | 1731 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| ZR | 107 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| SR | 542 | PPM | XRF | |
| RB | 102 | PPM | XRF | |
| SC | 4.08 | PPM | INAA | |
| CR | 0.61 | PPM | INAA | |
| CO | 1.64 | PPM | INAA | |
| SB | 0.195 | PPM | INAA | |
| RB | 90 | PPM | INAA | |
| SR | 540 | PPM | INAA | |
| CS | 3.09 | PPM | INAA | |
| BA | 1725 | PPM | INAA | |
| LA | 49.1 | PPM | INAA | |
| CE | 95.2 | PPM | INAA | |
| ND | 41 | PPM | INAA | |
| SM | 6.26 | PPM | INAA | |
| EU | 1.27 | PPM | INAA | |
| TB | 0.54 | PPM | INAA | |
| YB | 1.97 | PPM | INAA | |
| LU | 0.302 | PPM | INAA | |
| ZR | 130 | PPM | INAA | |
| HF | 4.1 | PPM | INAA | |
| TA | 0.72 | PPM | INAA | |
| TH | 17.2 | PPM | INAA | |
| U | 5.4 | PPM | INAA |