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Sample MINS-8-61-4BD
NavDat sample number 17221 · TUFF
Sample
| Sample ID | MINS-8-61-4BD |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Devitrified densely welded tuff |
|---|
Location
| Latitude | 38.3347 |
|---|
| Longitude | -113.925 |
|---|
| State / province | Utah |
|---|
| Formation | Lund |
|---|
| Location comment | immediately above basal vitrophyre |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.9 |
|
25.11 |
30.69 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.1 | | WT% | XRF |
| TIO2 | 0.66 | | WT% | XRF |
| AL2O3 | 15.9 | | WT% | XRF |
| FE2O3 | 5.06 | | WT% | XRF |
| MNO | 0.066 | | WT% | XRF |
| MGO | 2.1 | | WT% | XRF |
| CAO | 4.18 | | WT% | XRF |
| NA2O | 3.1 | | WT% | XRF |
| K2O | 3.6 | | WT% | XRF |
| P2O5 | 0.15 | | WT% | XRF |
| TOTAL | 99.92 | | WT% | XRF |
| RB | 114 | | PPM | XRF |
| SR | 525 | | PPM | XRF |
| Y | 23 | | PPM | XRF |
| ZR | 171 | | PPM | XRF |
| NB | 13 | | PPM | XRF |
| BA | 1010 | | PPM | XRF |
