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Sample DSTBA2
NavDat sample number 84654 · PYROCLASTIC-FLOW
Sample
| Sample ID | DSTBA2 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Pale orange vitric densely welded tuff with scarce to common pumice, mostly dark gray to 25/2 mm. Common felsics include smoky quartz, although feldspar is very strongly dominant and includes very strongly resorbed grains. Scarce mafics include small black amphibole prisms, probably arfvedsonite and hornblende; 1 black and 1 bronze biotite and 1dark green clinopyroxene observed. Scarce lithics include light gray microdiorite to 9 mm with equant 0.5 mm feldspar. |
|---|
Location
| Latitude | 37.1581 |
|---|
| Longitude | -116.702 |
|---|
| State / province | NEVADA |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 9.15 |
|
9.17 |
9.13 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| AS2O3 | 36.4425 | | PPM | NAA |
| AU | 0.0041 | | PPM | NAA |
| BAO | 334.051 | | PPM | NAA |
| BA | 299.2 | | PPM | NAA |
| CAO | 0.3736 | | WT% | NAA |
| CE2O3 | 762.731 | | PPM | NAA |
| COO | 1.6071 | | PPM | NAA |
| CR2O3 | | | PPM | NAA |
| CR | | | PPM | NAA |
| CS2O | 14.1643 | | PPM | NAA |
| EU2O3 | 0.9975 | | PPM | NAA |
| FE2O3 | 5.333 | | WT% | NAA |
| GD2O3 | 56.495 | | PPM | NAA |
| HFO2 | 115.818 | | PPM | NAA |
| HO2O3 | 13.1275 | | PPM | NAA |
| K2O | 3.867 | | WT% | NAA |
| LA2O3 | 393.344 | | PPM | NAA |
| LU2O3 | 5.6641 | | PPM | NAA |
| NA2O | 5.216 | | WT% | NAA |
| ND2O3 | 304.767 | | PPM | NAA |
| NIO | | | PPM | NAA |
| NI | | | PPM | NAA |
| RB2O | 650.577 | | PPM | NAA |
| SB2O3 | 1.992 | | PPM | NAA |
| SC2O3 | 4.9994 | | PPM | NAA |
| SM2O3 | 61.3165 | | PPM | NAA |
| SRO | 136.471 | | PPM | NAA |
| TA2O5 | 33.9965 | | PPM | NAA |
| TB2O3 | 8.8458 | | PPM | NAA |
| THO2 | 168.29 | | PPM | NAA |
| TM2O3 | 6.2564 | | PPM | NAA |
| UO2 | 35.0079 | | PPM | NAA |
| WO3 | 5.7085 | | PPM | NAA |
| YB2O3 | 39.2852 | | PPM | NAA |
| ZNO | 505.107 | | PPM | NAA |
| ZN | 405.8 | | PPM | NAA |
| ZRO2 | 6204.22 | | PPM | NAA |
| ZR | 4593 | | PPM | NAA |
| AL2O3 | 11.88 | | WT% | XRF |
| BAO | 363.973 | | PPM | XRF |
| BA | 326 | | PPM | XRF |
| CAO | 0.6787 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| FE2O3 | 5.424 | | WT% | XRF |
| K2O | 4.676 | | WT% | XRF |
| LOI | 2.12 | | WT% | XRF |
| MGO | 0.2984 | | WT% | XRF |
| MNO | 0.2026 | | WT% | XRF |
| MN | 0.1569 | | WT% | XRF |
| NA2O | 5.625 | | WT% | XRF |
| NB2O5 | 673.207 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | | | WT% | XRF |
| RB2O | 685.244 | | PPM | XRF |
| SIO2 | 66.73 | | WT% | XRF |
| SRO | 126.655 | | PPM | XRF |
| TIO2 | 0.3482 | | WT% | XRF |
| TOTAL | 98.67 | | WT% | XRF |
| V2O3 | 27.0673 | | PPM | XRF |
| Y2O3 | 443.707 | | PPM | XRF |
| ZNO | 625.721 | | PPM | XRF |
| ZN | 502.7 | | PPM | XRF |
| ZRO2 | 6537.87 | | PPM | XRF |
| ZR | 4840 | | PPM | XRF |
