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Sample JGM/A4A-16
NavDat sample number 85508 · PYROCLASTIC-FALL
Sample
| Sample ID | JGM/A4A-16 |
|---|
| 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 | 405.259 | | PPM | NAA |
| EU2O3 | 4.4776 | | PPM | NAA |
| HFO2 | 21.7203 | | PPM | NAA |
| LA2O3 | 275.364 | | PPM | NAA |
| LU2O3 | 0.5173 | | PPM | NAA |
| SC2O3 | 16.3787 | | PPM | NAA |
| SM2O3 | 14.2623 | | PPM | NAA |
| TB2O3 | | | PPM | NAA |
| THO2 | 21.8128 | | PPM | NAA |
| YB2O3 | 3.177 | | PPM | NAA |
| AL2O3 | 17.24 | | WT% | XRF |
| BAO | 3089.3 | | PPM | XRF |
| BA | 2767 | | PPM | XRF |
| CAO | 2.14 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| CUO | | | PPM | XRF |
| FE2O3 | 3.123 | | WT% | XRF |
| K2O | 5.26 | | WT% | XRF |
| LA2O3 | 234.435 | | PPM | XRF |
| MGO | 0.84 | | WT% | XRF |
| MNO | 0.2066 | | WT% | XRF |
| MN | 0.16 | | WT% | XRF |
| NA2O | 4.64 | | WT% | XRF |
| NB2O5 | 40.9418 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | 0.16 | | WT% | XRF |
| RB2O | 146.65 | | PPM | XRF |
| SIO2 | 63.35 | | WT% | XRF |
| SRO | 520.458 | | PPM | XRF |
| TIO2 | 0.68 | | WT% | XRF |
| TOTAL | 97.59 | | WT% | XRF |
| Y2O3 | | | PPM | XRF |
| ZNO | 299.355 | | PPM | XRF |
| ZN | 240.5 | | PPM | XRF |
| ZRO2 | 1315.27 | | PPM | XRF |
| ZR | 973.7 | | 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
