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Sample JGM/A4B-70
NavDat sample number 85514 · PYROCLASTIC-FALL
Sample
| Sample ID | JGM/A4B-70 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 37.279 |
|---|
| Longitude | -116.38 |
|---|
| State / province | NEVADA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 11.46 |
|
11.465 |
11.455 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
| CE2O3 | 141.841 | | PPM | NAA |
| EU2O3 | 1.0726 | | PPM | NAA |
| HFO2 | 7.9252 | | PPM | NAA |
| LA2O3 | 102.065 | | PPM | NAA |
| LU2O3 | 0.3233 | | PPM | NAA |
| SC2O3 | 6.3615 | | PPM | NAA |
| SM2O3 | 10.5275 | | PPM | NAA |
| TB2O3 | | | PPM | NAA |
| THO2 | 23.5765 | | PPM | NAA |
| YB2O3 | 1.8538 | | PPM | NAA |
| AL2O3 | 14.35 | | WT% | XRF |
| BAO | 772.828 | | PPM | XRF |
| BA | 692.2 | | PPM | XRF |
| CAO | 0.91 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| CUO | | | PPM | XRF |
| FE2O3 | 1.5 | | WT% | XRF |
| K2O | 6.02 | | WT% | XRF |
| LA2O3 | 108.093 | | PPM | XRF |
| MGO | 0.19 | | WT% | XRF |
| MNO | 0.1162 | | WT% | XRF |
| MN | 0.09 | | WT% | XRF |
| NA2O | 3.74 | | WT% | XRF |
| NB2O5 | 55.29 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| RB2O | 175.631 | | PPM | XRF |
| SIO2 | 70.42 | | WT% | XRF |
| SRO | 183.301 | | PPM | XRF |
| TIO2 | 0.32 | | WT% | XRF |
| TOTAL | 97.59 | | WT% | XRF |
| Y2O3 | | | PPM | XRF |
| ZNO | 48.0337 | | PPM | XRF |
| ZN | 38.59 | | PPM | XRF |
| ZRO2 | 541.536 | | PPM | XRF |
| ZR | 400.9 | | 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