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Sample RW18A10
NavDat sample number 86231 · PYROCLASTIC-FALL
Sample
| Sample ID | RW18A10 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 37.1862 |
|---|
| Longitude | -116.257 |
|---|
| State / province | NEVADA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 13.3 |
|
13.31 |
13.29 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
| AL2O3 | 12.6 | | WT% | NAA |
| AS2O3 | | | PPM | NAA |
| BAO | 468.698 | | PPM | NAA |
| BA | 419.8 | | PPM | NAA |
| CAO | 0.55 | | WT% | NAA |
| CE2O3 | 124.857 | | PPM | NAA |
| CL | 605 | | PPM | NAA |
| COO | 0.97 | | PPM | NAA |
| CR2O3 | | | PPM | NAA |
| CR | | | PPM | NAA |
| CS2O | 6.5192 | | PPM | NAA |
| CUO | | | PPM | NAA |
| DY2O3 | 7.5084 | | PPM | NAA |
| EU2O3 | 0.3888 | | PPM | NAA |
| FE2O3 | 1.1 | | WT% | NAA |
| GA2O3 | | | PPM | NAA |
| HFO2 | 8.7601 | | PPM | NAA |
| I | | | PPM | NAA |
| K2O | 5.05 | | WT% | NAA |
| LA2O3 | 60.5144 | | PPM | NAA |
| LU2O3 | 0.5948 | | PPM | NAA |
| MGO | | | WT% | NAA |
| MNO | 0.1059 | | WT% | NAA |
| MN | 0.082 | | WT% | NAA |
| NA2O | 3.4 | | WT% | NAA |
| RB2O | 182.958 | | PPM | NAA |
| SB2O3 | | | PPM | NAA |
| SC2O3 | 2.3243 | | PPM | NAA |
| SM2O3 | 9.2775 | | PPM | NAA |
| SRO | | | PPM | NAA |
| TA2O5 | 3.087 | | PPM | NAA |
| TB2O3 | 0.7283 | | PPM | NAA |
| THO2 | 30.0395 | | PPM | NAA |
| TIO2 | | | WT% | NAA |
| UO2 | 5.5722 | | PPM | NAA |
| V2O3 | | | PPM | NAA |
| WO3 | | | PPM | NAA |
| AL2O3 | 12.82 | | WT% | XRF |
| CAO | 0.66 | | WT% | XRF |
| FE2O3 | 1.445 | | WT% | XRF |
| K2O | 5.24 | | WT% | XRF |
| LOI | 3.08 | | WT% | XRF |
| MGO | 0.27 | | WT% | XRF |
| MNO | 0.1162 | | WT% | XRF |
| MN | 0.09 | | WT% | XRF |
| NA2O | 3.28 | | WT% | XRF |
| P2O5 | 0.01 | | WT% | XRF |
| SIO2 | 74 | | WT% | XRF |
| TIO2 | 0.11 | | WT% | XRF |
| TOTAL | 101 | | WT% | XRF |
References
- Sawyer, David A; Fleck, R J; Lanphere, M A; Warren, R G; Broxton, D E; Hudson, Mark R (1994) Episodic caldera volcanism in the Miocene southwestern Nevada volcanic field; revised stratigraphic framework, (super 40) Ar/ (super 39) Ar geochronology, and implications for magmatism and extension. Geological Society of America Bulletin, vol.106, no.10, pp.1304-1318, Oct 1994 doi:10.1130/0016-7606(1994)106<1304:ECVITM>2.3.CO;2