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Sample JGM/R21A-8
NavDat sample number 85299 · PYROCLASTIC-FALL
Sample
| Sample ID | JGM/R21A-8 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.2574 |
|---|
| Longitude | -116.347 |
|---|
| State / province | NEVADA |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.645 |
|
11.655 |
11.635 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| CE2O3 | 270.446 | | PPM | NAA |
| EU2O3 | 2.0379 | | PPM | NAA |
| HFO2 | 14.2562 | | PPM | NAA |
| LA2O3 | 171.106 | | PPM | NAA |
| LU2O3 | 0.3621 | | PPM | NAA |
| SC2O3 | 6.9713 | | PPM | NAA |
| SM2O3 | 11.1061 | | PPM | NAA |
| TB2O3 | | | PPM | NAA |
| THO2 | 36.787 | | PPM | NAA |
| YB2O3 | 2.5279 | | PPM | NAA |
| AL2O3 | 16.94 | | WT% | XRF |
| BAO | 1646.81 | | PPM | XRF |
| BA | 1475 | | PPM | XRF |
| CAO | 1.79 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| CUO | | | PPM | XRF |
| FE2O3 | 2.356 | | WT% | XRF |
| K2O | 5.42 | | WT% | XRF |
| LA2O3 | 210.51 | | PPM | XRF |
| MGO | 0.61 | | WT% | XRF |
| MNO | 0.142 | | WT% | XRF |
| MN | 0.11 | | WT% | XRF |
| NA2O | 3.65 | | WT% | XRF |
| NB2O5 | 28.9396 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | 0.17 | | WT% | XRF |
| RB2O | 108.561 | | PPM | XRF |
| SIO2 | 65.21 | | WT% | XRF |
| SRO | 516.437 | | PPM | XRF |
| TIO2 | 0.47 | | WT% | XRF |
| TOTAL | 96.73 | | WT% | XRF |
| Y2O3 | | | PPM | XRF |
| ZNO | 114.029 | | PPM | XRF |
| ZN | 91.61 | | PPM | XRF |
| ZRO2 | 775.359 | | PPM | XRF |
| ZR | 574 | | PPM | XRF |
References
- Anonymous (1991) The Timber Mountain Tuff, southwestern Nevada volcanic field, U.S.A.; evidence against a long-lived, continuously evolving, zoned magma chamber. Eos, Transactions, American Geophysical Union, vol.72, no.17, pp.311, 23 Apr 1991
