Sample 87-231
NavDat sample number 16953 · TUFF
Sample
| Sample ID | 87-231 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.532 |
|---|---|
| Longitude | -106.784 |
| Location | Heart Mtn, 15' below sample 87-229 |
| 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 | 71.5985 | WT% | XRF | |
| TIO2 | 0.4411 | WT% | XRF | |
| AL2O3 | 15.0375 | WT% | XRF | |
| FE2O3 | 1.39348 | WT% | XRF | |
| MGO | 0.62155 | WT% | XRF | |
| CAO | 1.30325 | WT% | XRF | |
| NA2O | 4.2907 | WT% | XRF | |
| K2O | 5.40347 | WT% | XRF | |
| P2O5 | 0.10025 | WT% | XRF | |
| MNO | 0.06015 | WT% | XRF | |
| LOI | 0.79 | WT% | XRF | |
| TOTAL | 100.25 | WT% | XRF | |
| ZN | 43 | PPM | XRF | |
| RB | 162 | PPM | XRF | |
| SR | 224 | PPM | XRF | |
| Y | 34 | PPM | XRF | |
| ZR | 267 | PPM | XRF | |
| BA | 1004 | PPM | XRF | |
| LA | 66 | PPM | XRF | |
| CE | 91 | PPM | XRF | |
| CU | 1 | PPM | XRF | |
| V | 15 | PPM | XRF | |
| TH | 19.6 | PPM | INAA | |
| U | 5.2 | PPM | INAA | |
| LA | 64.5 | PPM | INAA | |
| CE | 108.8 | PPM | INAA | |
| ND | 48.4 | PPM | INAA | |
| SM | 7.96 | PPM | INAA | |
| EU | 1.22 | PPM | INAA | |
| GD | 3.5 | PPM | INAA | |
| TB | 1 | PPM | INAA | |
| YB | 3.42 | PPM | INAA | |
| LU | 0.48 | PPM | INAA | |
| TA | 1.93 | PPM | INAA | |
| HF | 4.34 | PPM | INAA | |
| SC | 4.6 | PPM | INAA |