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Sample JGM/A4A-17
NavDat sample number 85509 · PYROCLASTIC-FALL
Sample
| Sample ID | JGM/A4A-17 |
|---|
| 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 | 68.0742 | | PPM | NAA |
| EU2O3 | | | PPM | NAA |
| HFO2 | 4.9914 | | PPM | NAA |
| LA2O3 | 44.4241 | | PPM | NAA |
| LU2O3 | 0.2586 | | PPM | NAA |
| SC2O3 | 3.7323 | | PPM | NAA |
| SM2O3 | 6.6152 | | PPM | NAA |
| TB2O3 | | | PPM | NAA |
| THO2 | 31.0636 | | PPM | NAA |
| YB2O3 | 1.6204 | | PPM | NAA |
| AL2O3 | 11.69 | | WT% | XRF |
| BAO | 240.601 | | PPM | XRF |
| BA | 215.5 | | PPM | XRF |
| CAO | 0.36 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| CUO | | | PPM | XRF |
| FE2O3 | 0.689 | | WT% | XRF |
| K2O | 5.2 | | WT% | XRF |
| LA2O3 | 53.2785 | | PPM | XRF |
| MGO | | | WT% | XRF |
| MNO | 0.1033 | | WT% | XRF |
| MN | 0.08 | | WT% | XRF |
| NA2O | 3.19 | | WT% | XRF |
| NB2O5 | 70.1103 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | 0.01 | | WT% | XRF |
| RB2O | 284.88 | | PPM | XRF |
| SIO2 | 75.94 | | WT% | XRF |
| SRO | | | PPM | XRF |
| TIO2 | 0.13 | | WT% | XRF |
| TOTAL | 97.29 | | WT% | XRF |
| Y2O3 | | | PPM | XRF |
| ZNO | 38.7357 | | PPM | XRF |
| ZN | 31.12 | | PPM | XRF |
| ZRO2 | 216.533 | | PPM | XRF |
| ZR | 160.3 | | 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
