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Sample 98L-13-C
NavDat sample number 46042 · TUFF
Sample
| Sample ID | 98L-13-C |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 37.817 |
|---|
| Longitude | -106.886 |
|---|
| Location | Gravel Pit, E. of Creede |
|---|
| State / province | COLORADO |
|---|
| Formation | Bachelor Caldera Cycle, Intracaldera Bachelor Member, Willow Ck. Welding zone |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 27.35 |
|
27.25 |
27.45 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 76.15 | | WT% | XRF |
| TIO2 | 0.228865 | | WT% | XRF |
| AL2O3 | 13.2331 | | WT% | XRF |
| FE2O3 | 0.686596 | | WT% | XRF |
| MGO | 0.25247 | | WT% | XRF |
| CAO | 0.506993 | | WT% | XRF |
| NA2O | 2.20963 | | WT% | XRF |
| K2O | 6.19887 | | WT% | XRF |
| P2O5 | 0.0215524 | | WT% | XRF |
| MNO | 0.00821042 | | WT% | XRF |
| LOI | 2.55 | | WT% | XRF |
| TOTAL | 99.499 | | WT% | XRF |
| ZN | 44 | | PPM | XRF |
| RB | 195 | | PPM | XRF |
| SR | 78 | | PPM | XRF |
| Y | 20 | | PPM | XRF |
| ZR | 180 | | PPM | XRF |
| NB | 18 | | PPM | XRF |
| BA | 417 | | PPM | XRF |
| CU | 13 | | PPM | XRF |
| NI | -10 | | PPM | XRF |