Sample AL-7
NavDat sample number 67190 · TUFF
Sample
| Sample ID | AL-7 |
|---|---|
| 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 | 75.1 | WT% | XRF | |
| AL2O3 | 12 | WT% | XRF | |
| FE2O3 | 0.88 | WT% | XRF | |
| MGO | 0.22 | WT% | XRF | |
| CAO | 1.23 | WT% | XRF | |
| NA2O | 4.5 | WT% | XRF | |
| K2O | 2.74 | WT% | XRF | |
| TIO2 | 0.13 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| BA | 669 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| ZR | 81 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| SR | 284 | PPM | XRF | |
| RB | 120 | PPM | XRF | |
| SIO2 | 77.5 | WT% | EPMA | |
| AL2O3 | 13.2 | WT% | EPMA | |
| FEO | 0.34 | WT% | EPMA | |
| MGO | 0.05 | WT% | EPMA | |
| CAO | 0.65 | WT% | EPMA | |
| NA2O | 5.15 | WT% | EPMA | |
| K2O | 2.52 | WT% | EPMA | |
| TIO2 | 0.07 | WT% | EPMA | |
| SC | 4.5 | PPM | INAA | |
| CO | 0.51 | PPM | INAA | |
| ARSENIC | 0.69 | PPM | INAA | |
| BR | 1.7 | PPM | INAA | |
| SB | 0.05 | PPM | INAA | |
| RB | 130 | PPM | INAA | |
| SR | 250 | PPM | INAA | |
| CS | 7.6 | PPM | INAA | |
| BA | 522 | PPM | INAA | |
| LA | 30.4 | PPM | INAA | |
| CE | 65 | PPM | INAA | |
| ND | 28 | PPM | INAA | |
| SM | 6.16 | PPM | INAA | |
| EU | 0.959 | PPM | INAA | |
| TB | 0.68 | PPM | INAA | |
| YB | 2.6 | PPM | INAA | |
| LU | 0.357 | PPM | INAA | |
| ZR | 103 | PPM | INAA | |
| HF | 3.34 | PPM | INAA | |
| TA | 0.9 | PPM | INAA | |
| TH | 17.7 | PPM | INAA | |
| U | 4.16 | PPM | INAA |