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Sample STM-8-169-4
NavDat sample number 17191
Sample
| Sample ID | STM-8-169-4 |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Holocrystalline, slightly altered hypersthene pheocrysts |
|---|
Location
| Latitude | 38.04 |
|---|
| Longitude | -113.822 |
|---|
| State / province | Utah |
|---|
| Formation | Lund |
|---|
| Location comment | immediately above tuff; at base of andesite pile |
|---|
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 | 57.8 | | WT% | XRF |
| TIO2 | 0.76 | | WT% | XRF |
| AL2O3 | 16.1 | | WT% | XRF |
| FE2O3 | 7.58 | | WT% | XRF |
| MNO | 0.095 | | WT% | XRF |
| MGO | 4.9 | | WT% | XRF |
| CAO | 6.95 | | WT% | XRF |
| NA2O | 2.9 | | WT% | XRF |
| K2O | 2.74 | | WT% | XRF |
| P2O5 | 0.14 | | WT% | XRF |
| TOTAL | 99.97 | | WT% | XRF |
| RB | 89 | | PPM | XRF |
| SR | 755 | | PPM | XRF |
| Y | 14 | | PPM | XRF |
| ZR | 164 | | PPM | XRF |
| NB | 11 | | PPM | XRF |
| BA | 919 | | PPM | XRF |
