Sample ZX-4
NavDat sample number 67195 · TUFF
Sample
| Sample ID | ZX-4 |
|---|---|
| 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 | 60.2 | WT% | XRF | |
| AL2O3 | 18.1 | WT% | XRF | |
| FE2O3 | 5.45 | WT% | XRF | |
| MGO | 1.75 | WT% | XRF | |
| CAO | 5.01 | WT% | XRF | |
| NA2O | 3.53 | WT% | XRF | |
| K2O | 3.11 | WT% | XRF | |
| TIO2 | 0.78 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| LOI | 1.2 | WT% | XRF | |
| BA | 2001 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| ZR | 544 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| SR | 992 | PPM | XRF | |
| RB | 82 | PPM | XRF | |
| SIO2 | 71.6 | WT% | EPMA | |
| AL2O3 | 15.9 | WT% | EPMA | |
| FEO | 1.51 | WT% | EPMA | |
| MGO | 0.28 | WT% | EPMA | |
| CAO | 2.28 | WT% | EPMA | |
| NA2O | 5.15 | WT% | EPMA | |
| K2O | 2.19 | WT% | EPMA | |
| TIO2 | 0.3 | WT% | EPMA | |
| P2O5 | 0.12 | WT% | EPMA | |
| BAO | 0.13 | WT% | EPMA | |
| SC | 9.34 | PPM | INAA | |
| CR | 7.5 | PPM | INAA | |
| CO | 9.34 | PPM | INAA | |
| SB | 0.074 | PPM | INAA | |
| RB | 79.1 | PPM | INAA | |
| SR | 970 | PPM | INAA | |
| CS | 2.71 | PPM | INAA | |
| BA | 1860 | PPM | INAA | |
| LA | 79.1 | PPM | INAA | |
| CE | 147 | PPM | INAA | |
| ND | 61 | PPM | INAA | |
| SM | 8.92 | PPM | INAA | |
| EU | 2.23 | PPM | INAA | |
| TB | 0.64 | PPM | INAA | |
| YB | 2.1 | PPM | INAA | |
| LU | 0.355 | PPM | INAA | |
| ZR | 600 | PPM | INAA | |
| HF | 13.8 | PPM | INAA | |
| TA | 0.49 | PPM | INAA | |
| TH | 12.6 | PPM | INAA | |
| U | 1.95 | PPM | INAA |