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Sample JGM/A4A-12
NavDat sample number 85506 · PYROCLASTIC-FALL
Sample
| Sample ID | JGM/A4A-12 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.2789 |
|---|
| Longitude | -116.381 |
|---|
| 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 | 70.1356 | | PPM | NAA |
| EU2O3 | | | PPM | NAA |
| HFO2 | 5.1164 | | PPM | NAA |
| LA2O3 | 47.1919 | | PPM | NAA |
| LU2O3 | 0.3103 | | PPM | NAA |
| SC2O3 | 3.8028 | | PPM | NAA |
| SM2O3 | 7.2471 | | PPM | NAA |
| TB2O3 | | | PPM | NAA |
| THO2 | 31.8373 | | PPM | NAA |
| YB2O3 | 1.8413 | | PPM | NAA |
| AL2O3 | 11.9 | | WT% | XRF |
| BAO | 245.514 | | PPM | XRF |
| BA | 219.9 | | PPM | XRF |
| CAO | 0.41 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| CUO | | | PPM | XRF |
| FE2O3 | 0.8113 | | WT% | XRF |
| K2O | 5.15 | | WT% | XRF |
| LA2O3 | 64.3728 | | PPM | XRF |
| MGO | 0.21 | | WT% | XRF |
| MNO | 0.1162 | | WT% | XRF |
| MN | 0.09 | | WT% | XRF |
| NA2O | 3.27 | | WT% | XRF |
| NB2O5 | 64.9747 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | 0.01 | | WT% | XRF |
| RB2O | 278.319 | | PPM | XRF |
| SIO2 | 76.15 | | WT% | XRF |
| SRO | 6.671 | | PPM | XRF |
| TIO2 | 0.14 | | WT% | XRF |
| TOTAL | 98.14 | | WT% | XRF |
| Y2O3 | | | PPM | XRF |
| ZNO | 60.12 | | PPM | XRF |
| ZN | 48.3 | | PPM | XRF |
| ZRO2 | 224.368 | | PPM | XRF |
| ZR | 166.1 | | 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
