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Sample JGM/A21-19
NavDat sample number 85503 · PYROCLASTIC-FALL
Sample
| Sample ID | JGM/A21-19 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.2548 |
|---|
| Longitude | -116.344 |
|---|
| State / province | NEVADA |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.485 |
|
11.5 |
11.47 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| CE2O3 | 68.1094 | | PPM | NAA |
| EU2O3 | | | PPM | NAA |
| HFO2 | 5.4501 | | PPM | NAA |
| LA2O3 | 39.1702 | | PPM | NAA |
| LU2O3 | 0.2845 | | PPM | NAA |
| SC2O3 | 3.6159 | | PPM | NAA |
| SM2O3 | 7.4083 | | PPM | NAA |
| TB2O3 | | | PPM | NAA |
| THO2 | 31.3139 | | PPM | NAA |
| YB2O3 | 1.6853 | | PPM | NAA |
| AL2O3 | 12.63 | | WT% | XRF |
| BAO | | | PPM | XRF |
| BA | | | PPM | XRF |
| CAO | 0.35 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| CUO | | | PPM | XRF |
| FE2O3 | 0.8002 | | WT% | XRF |
| K2O | 5.3 | | WT% | XRF |
| LA2O3 | 71.1044 | | PPM | XRF |
| MGO | 0.32 | | WT% | XRF |
| MNO | 0.1033 | | WT% | XRF |
| MN | 0.08 | | WT% | XRF |
| NA2O | 2.99 | | WT% | XRF |
| NB2O5 | 57.9079 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | 0.01 | | WT% | XRF |
| RB2O | 249.885 | | PPM | XRF |
| SIO2 | 74.52 | | WT% | XRF |
| SRO | | | PPM | XRF |
| TIO2 | 0.13 | | WT% | XRF |
| TOTAL | 97.13 | | WT% | XRF |
| Y2O3 | | | PPM | XRF |
| ZNO | 86.6076 | | PPM | XRF |
| ZN | 69.58 | | PPM | XRF |
| ZRO2 | 233.824 | | PPM | XRF |
| ZR | 173.1 | | 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
