Sample 87-207
NavDat sample number 16942 · TUFF
Sample
| Sample ID | 87-207 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.563 |
|---|---|
| Longitude | -106.738 |
| Location | Fox Mtn, above vitrophyre |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.1 | 27 | 27.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70.0626 | WT% | XRF | |
| TIO2 | 0.431247 | WT% | XRF | |
| AL2O3 | 15.6252 | WT% | XRF | |
| FE2O3 | 1.97571 | WT% | XRF | |
| MGO | 0.742146 | WT% | XRF | |
| CAO | 1.5545 | WT% | XRF | |
| NA2O | 4.36262 | WT% | XRF | |
| K2O | 5.34546 | WT% | XRF | |
| P2O5 | 0.120348 | WT% | XRF | |
| MNO | 0.060174 | WT% | XRF | |
| LOI | 0.72 | WT% | XRF | |
| TOTAL | 100.28 | WT% | XRF | |
| ZN | 44 | PPM | XRF | |
| RB | 153 | PPM | XRF | |
| SR | 267 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 266 | PPM | XRF | |
| BA | 1209 | PPM | XRF | |
| LA | 56 | PPM | XRF | |
| CE | 81 | PPM | XRF | |
| CU | 4 | PPM | XRF | |
| V | 21 | PPM | XRF | |
| TH | 18.3 | PPM | INAA | |
| U | 6.7 | PPM | INAA | |
| LA | 60.2 | PPM | INAA | |
| CE | 95.9 | PPM | INAA | |
| ND | 33.3 | PPM | INAA | |
| SM | 7.14 | PPM | INAA | |
| EU | 1.28 | PPM | INAA | |
| GD | 3.2 | PPM | INAA | |
| TB | 1.02 | PPM | INAA | |
| YB | 3.21 | PPM | INAA | |
| LU | 0.39 | PPM | INAA | |
| TA | 1.57 | PPM | INAA | |
| HF | 4.31 | PPM | INAA | |
| SC | 4.8 | PPM | INAA |