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Sample R49
NavDat sample number 16604 · PYROCLASTIC FLOW
Sample
| Sample ID | R49 |
|---|
| Rock name | PYROCLASTIC FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Lower Member |
|---|
Location
| Latitude | 35 |
|---|
| Longitude | -115.25 |
|---|
| Location | Wild Horse Mesa Tuff |
|---|
| State / province | California |
|---|
| Volcanic field | Woods Mountains Volcanic Center |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 15.8 |
|
14.22 |
17.38 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.1 | | WT% | XRF |
| TIO2 | 0.14 | | WT% | XRF |
| AL2O3 | 13.6 | | WT% | XRF |
| FEO | 1.62 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 0.17 | | WT% | XRF |
| CAO | 0.25 | | WT% | XRF |
| NA2O | 4 | | WT% | XRF |
| K2O | 5.2 | | WT% | XRF |
| RB | 190 | | PPM | XRF |
| SR | 46 | | PPM | XRF |
| ZR | 450 | | PPM | XRF |
References
- McCurry, Michael (1988) Geology and petrology of the Woods Mountains volcanic center, southeastern California; implications for the genesis of peralkaline rhyolite ash flow tuffs. Journal of Geophysical Research, B, Solid Earth and Planets, vol.93, no.12, pp.14,835-14,855, Dec 1988 doi:10.1029/JB093iB12p14835
