← Search
Sample 98L-12-C
NavDat sample number 46039 · TUFF
Sample
| Sample ID | 98L-12-C |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.829 |
|---|
| Longitude | -106.891 |
|---|
| 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 | 74.36 | | WT% | XRF |
| TIO2 | 0.232998 | | WT% | XRF |
| AL2O3 | 13.3337 | | WT% | XRF |
| FE2O3 | 1.48601 | | WT% | XRF |
| MGO | 0.288918 | | WT% | XRF |
| CAO | 1.3224 | | WT% | XRF |
| NA2O | 2.14255 | | WT% | XRF |
| K2O | 6.07142 | | WT% | XRF |
| P2O5 | 0.0383153 | | WT% | XRF |
| MNO | 0.0600618 | | WT% | XRF |
| LOI | 3.41 | | WT% | XRF |
| TOTAL | 99.336 | | WT% | XRF |
| ZN | 62 | | PPM | XRF |
| RB | 176 | | PPM | XRF |
| SR | 85 | | PPM | XRF |
| Y | 22 | | PPM | XRF |
| ZR | 180 | | PPM | XRF |
| NB | 16 | | PPM | XRF |
| BA | 449 | | PPM | XRF |
| CU | 13 | | PPM | XRF |
| NI | -10 | | PPM | XRF |
