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Sample JGM/A21-18
NavDat sample number 85502 · PYROCLASTIC-FALL
Sample
| Sample ID | JGM/A21-18 |
|---|
| 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 | 87.8101 | | PPM | NAA |
| EU2O3 | | | PPM | NAA |
| HFO2 | 7.2578 | | PPM | NAA |
| LA2O3 | 47.6844 | | PPM | NAA |
| LU2O3 | 0.7112 | | PPM | NAA |
| SC2O3 | 3.1455 | | PPM | NAA |
| SM2O3 | 7.7979 | | PPM | NAA |
| TB2O3 | | | PPM | NAA |
| THO2 | 38.7783 | | PPM | NAA |
| YB2O3 | 4.0321 | | PPM | NAA |
| AL2O3 | 12.13 | | WT% | XRF |
| BAO | | | PPM | XRF |
| BA | | | PPM | XRF |
| CAO | 0.41 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| CUO | | | PPM | XRF |
| FE2O3 | 0.8002 | | WT% | XRF |
| K2O | 5.07 | | WT% | XRF |
| LA2O3 | 69.4743 | | PPM | XRF |
| MGO | | | WT% | XRF |
| MNO | 0.1033 | | WT% | XRF |
| MN | 0.08 | | WT% | XRF |
| NA2O | 3.55 | | WT% | XRF |
| NB2O5 | 58.0795 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | 0.01 | | WT% | XRF |
| RB2O | 261.587 | | PPM | XRF |
| SIO2 | 75.11 | | WT% | XRF |
| SRO | | | PPM | XRF |
| TIO2 | 0.14 | | WT% | XRF |
| TOTAL | 97.3 | | WT% | XRF |
| Y2O3 | | | PPM | XRF |
| ZNO | 82.5747 | | PPM | XRF |
| ZN | 66.34 | | PPM | XRF |
| ZRO2 | 239.632 | | PPM | XRF |
| ZR | 177.4 | | 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
