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Sample 98L-13-B
NavDat sample number 46041 · TUFF
Sample
| Sample ID | 98L-13-B |
|---|
| 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 | 74.75 | | WT% | XRF |
| TIO2 | 0.211654 | | WT% | XRF |
| AL2O3 | 13.0075 | | WT% | XRF |
| FE2O3 | 1.60385 | | WT% | XRF |
| MGO | 0.35036 | | WT% | XRF |
| CAO | 0.582563 | | WT% | XRF |
| NA2O | 2.15559 | | WT% | XRF |
| K2O | 6.10304 | | WT% | XRF |
| P2O5 | 0.0328783 | | WT% | XRF |
| MNO | 0.0236313 | | WT% | XRF |
| LOI | 2.64 | | WT% | XRF |
| TOTAL | 98.823 | | WT% | XRF |
| ZN | 64 | | PPM | XRF |
| RB | 181 | | PPM | XRF |
| SR | 63 | | PPM | XRF |
| Y | 24 | | PPM | XRF |
| ZR | 170 | | PPM | XRF |
| NB | 18 | | PPM | XRF |
| BA | 373 | | PPM | XRF |
| CU | 13 | | PPM | XRF |
| NI | -10 | | PPM | XRF |