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Sample JGM/A5A-2
NavDat sample number 85516 · PYROCLASTIC-FALL
Sample
| Sample ID | JGM/A5A-2 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 37.2703 |
|---|
| Longitude | -116.401 |
|---|
| State / province | NEVADA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 11.468 |
|
11.47 |
11.465 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
| CE2O3 | 330.532 | | PPM | NAA |
| EU2O3 | 2.0645 | | PPM | NAA |
| HFO2 | 15.5886 | | PPM | NAA |
| LA2O3 | 204.412 | | PPM | NAA |
| LU2O3 | 0.5948 | | PPM | NAA |
| SC2O3 | 9.3905 | | PPM | NAA |
| SM2O3 | 14.7262 | | PPM | NAA |
| TB2O3 | | | PPM | NAA |
| THO2 | 27.9231 | | PPM | NAA |
| YB2O3 | 3.514 | | PPM | NAA |
| AL2O3 | 15.51 | | WT% | XRF |
| BAO | 456.194 | | PPM | XRF |
| BA | 408.6 | | PPM | XRF |
| CAO | 0.91 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| CUO | | | PPM | XRF |
| FE2O3 | 1.7 | | WT% | XRF |
| K2O | 6.12 | | WT% | XRF |
| LA2O3 | 192.802 | | PPM | XRF |
| MGO | 0.61 | | WT% | XRF |
| MNO | 0.142 | | WT% | XRF |
| MN | 0.11 | | WT% | XRF |
| NA2O | 4.15 | | WT% | XRF |
| NB2O5 | 48.638 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | 0.06 | | WT% | XRF |
| RB2O | 162.508 | | PPM | XRF |
| SIO2 | 67.52 | | WT% | XRF |
| SRO | 108.55 | | PPM | XRF |
| TIO2 | 0.43 | | WT% | XRF |
| TOTAL | 97.12 | | WT% | XRF |
| Y2O3 | | | PPM | XRF |
| ZNO | 81.9648 | | PPM | XRF |
| ZN | 65.85 | | PPM | XRF |
| ZRO2 | 810.75 | | PPM | XRF |
| ZR | 600.2 | | 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