Sample BLOB1
NavDat sample number 43344 · DACITE
Sample
| Sample ID | BLOB1 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.438 |
|---|---|
| Longitude | -107.044 |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.93 | 27.75 | 28.11 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.79 | WT% | XRF | |
| TIO2 | 0.44 | WT% | XRF | |
| AL2O3 | 15.16 | WT% | XRF | |
| FE2O3 | 3.4 | WT% | XRF | |
| MGO | 0.98 | WT% | XRF | |
| CAO | 2.83 | WT% | XRF | |
| NA2O | 3.7 | WT% | XRF | |
| K2O | 4.19 | WT% | XRF | |
| P2O5 | 0.18 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| LOI | 0.21 | WT% | XRF | |
| TOTAL | 99.74 | WT% | XRF | |
| ZN | 46 | PPM | XRF | |
| RB | 117 | PPM | XRF | |
| SR | 438 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 182 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| PB | 16 | PPM | XRF | |
| TH | 14 | PPM | XRF | |
| BA | 865 | PPM | XRF | |
| LA | 44 | PPM | XRF | |
| CE | 85 | PPM | XRF | |
| ND | 34 | PPM | XRF | |
| CU | 7 | PPM | XRF | |
| V | 48 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| NI | 6 | PPM | XRF | |
| TH | 13.9 | PPM | INAA | |
| U | 5.6 | PPM | INAA | |
| LA | 43.7 | PPM | INAA | |
| CE | 85.3 | PPM | INAA | |
| ND | 33.8 | PPM | INAA | |
| SM | 5.73 | PPM | INAA | |
| EU | 1.16 | PPM | INAA | |
| TB | 0.62 | PPM | INAA | |
| YB | 2.38 | PPM | INAA | |
| LU | 0.37 | PPM | INAA | |
| TA | 1.2 | PPM | INAA | |
| HF | 4.9 | PPM | INAA | |
| SC | 5.3 | PPM | INAA | |
| CO | 5.4 | PPM | INAA | |
| ZN | 46 | PPM | INAA |