Sample LR88-501
NavDat sample number 46140 · DACITE
Sample
| Sample ID | LR88-501 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.093 |
|---|---|
| Longitude | -107.038 |
| Location | confluence with Spring Creek |
| State / province | COLORADO |
| Formation | Conejos Formation and related early rocks |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.25 | 29.5 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.5 | WT% | XRF | |
| TIO2 | 0.524102 | WT% | XRF | |
| AL2O3 | 15.0345 | WT% | XRF | |
| FE2O3 | 3.98729 | WT% | XRF | |
| MGO | 1.31539 | WT% | XRF | |
| CAO | 2.8466 | WT% | XRF | |
| NA2O | 2.80549 | WT% | XRF | |
| K2O | 5.35407 | WT% | XRF | |
| P2O5 | 0.174701 | WT% | XRF | |
| MNO | 0.0616591 | WT% | XRF | |
| LOI | 2.68 | WT% | XRF | |
| TOTAL | 99.6038 | WT% | XRF | |
| ZN | 52.5 | PPM | XRF | |
| RB | 206.5 | PPM | XRF | |
| SR | 439 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 279.5 | PPM | XRF | |
| NB | 15.5 | PPM | XRF | |
| PB | 41.5 | PPM | XRF | |
| TH | 27.5 | PPM | XRF | |
| BA | 1036 | PPM | XRF | |
| LA | 51 | PPM | XRF | |
| CE | 93 | PPM | XRF | |
| ND | 47 | PPM | XRF | |
| CS | 9.67 | PPM | INAA | |
| RB | 206 | PPM | INAA | |
| BA | 960 | PPM | INAA | |
| SR | 347 | PPM | INAA | |
| TH | 22.1 | PPM | INAA | |
| U | 12.4 | PPM | INAA | |
| LA | 48.8 | PPM | INAA | |
| CE | 94.7 | PPM | INAA | |
| ND | 37.9 | PPM | INAA | |
| SM | 7.19 | PPM | INAA | |
| EU | 1.12 | PPM | INAA | |
| GD | 5.64 | PPM | INAA | |
| TB | 0.738 | PPM | INAA | |
| HO | 0.928 | PPM | INAA | |
| TM | 0.344 | PPM | INAA | |
| YB | 2.04 | PPM | INAA | |
| LU | 0.287 | PPM | INAA | |
| TA | 1.66 | PPM | INAA | |
| ZR | 269 | PPM | INAA | |
| HF | 7.19 | PPM | INAA | |
| SB | 0.373 | PPM | INAA | |
| SC | 7.15 | PPM | INAA | |
| CR | 18 | PPM | INAA | |
| CO | 7.7 | PPM | INAA | |
| NI | 7.45 | PPM | INAA | |
| ZN | 73.7 | PPM | INAA |