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Sample 98L-12-A
NavDat sample number 46037 · TUFF
Sample
| Sample ID | 98L-12-A |
|---|
| 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 | 73.84 | | WT% | XRF |
| TIO2 | 0.231043 | | WT% | XRF |
| AL2O3 | 13.4765 | | WT% | XRF |
| FE2O3 | 1.72204 | | WT% | XRF |
| MGO | 0.348104 | | WT% | XRF |
| CAO | 1.02583 | | WT% | XRF |
| NA2O | 2.26217 | | WT% | XRF |
| K2O | 6.41888 | | WT% | XRF |
| P2O5 | 0.0421011 | | WT% | XRF |
| MNO | 0.0482623 | | WT% | XRF |
| LOI | 2.6 | | WT% | XRF |
| TOTAL | 99.41 | | WT% | XRF |
| ZN | 72 | | PPM | XRF |
| RB | 203 | | PPM | XRF |
| SR | 85 | | PPM | XRF |
| Y | 26 | | PPM | XRF |
| ZR | 177 | | PPM | XRF |
| NB | 17 | | PPM | XRF |
| BA | 472 | | PPM | XRF |
| CU | 21 | | PPM | XRF |
| NI | -10 | | PPM | XRF |
