← Search
Sample JGM/A4B-75
NavDat sample number 85515 · PYROCLASTIC-FALL
Sample
| Sample ID | JGM/A4B-75 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.279 |
|---|
| Longitude | -116.38 |
|---|
| State / province | NEVADA |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.46 |
|
11.465 |
11.455 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| CE2O3 | 314.135 | | PPM | NAA |
| EU2O3 | 4.532 | | PPM | NAA |
| HFO2 | 23.2179 | | PPM | NAA |
| LA2O3 | 207.579 | | PPM | NAA |
| LU2O3 | 0.4396 | | PPM | NAA |
| SC2O3 | 16.1335 | | PPM | NAA |
| SM2O3 | 13.1144 | | PPM | NAA |
| TB2O3 | | | PPM | NAA |
| THO2 | 17.5003 | | PPM | NAA |
| YB2O3 | 3.2681 | | PPM | NAA |
| AL2O3 | 16.9 | | WT% | XRF |
| BAO | 4761.79 | | PPM | XRF |
| BA | 4265 | | PPM | XRF |
| CAO | 2.52 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| CUO | | | PPM | XRF |
| FE2O3 | 3.512 | | WT% | XRF |
| K2O | 5.27 | | WT% | XRF |
| LA2O3 | 201.011 | | PPM | XRF |
| MGO | 1.61 | | WT% | XRF |
| MNO | 0.155 | | WT% | XRF |
| MN | 0.12 | | WT% | XRF |
| NA2O | 4.21 | | WT% | XRF |
| NB2O5 | 41.9288 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | 0.33 | | WT% | XRF |
| RB2O | 98.4122 | | PPM | XRF |
| SIO2 | 61.38 | | WT% | XRF |
| SRO | 669.228 | | PPM | XRF |
| TIO2 | 0.75 | | WT% | XRF |
| TOTAL | 96.6 | | WT% | XRF |
| Y2O3 | | | PPM | XRF |
| ZNO | 104.893 | | PPM | XRF |
| ZN | 84.27 | | PPM | XRF |
| ZRO2 | 1492.63 | | PPM | XRF |
| ZR | 1105 | | 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
