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Sample TCV-2
NavDat sample number 21571 · RHYODACITE
Sample
| Sample ID | TCV-2 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 42.2508 |
|---|
| Longitude | -115.536 |
|---|
| Location | along Poison Creek, Owyhee area |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis Volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 45 |
|
40 |
51 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 65.39 | | WT% | XRF |
| TIO2 | 0.57 | | WT% | XRF |
| AL2O3 | 15.33 | | WT% | XRF |
| FE2O3T | 4.83 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| MGO | 1.49 | | WT% | XRF |
| CAO | 3.21 | | WT% | XRF |
| NA2O | 3.15 | | WT% | XRF |
| K2O | 3.97 | | WT% | XRF |
| P2O5 | 0.18 | | WT% | XRF |
| LOI | 1.51 | | WT% | XRF |
| TOTAL | 99.7 | | WT% | XRF |
| RB | 121 | | PPM | XRF |
| SR | 426 | | PPM | XRF |
| BA | 1313 | | PPM | XRF |
| Y | 12 | | PPM | XRF |
| ZR | 201 | | PPM | XRF |
| V | 67 | | PPM | XRF |
| NI | 9 | | PPM | XRF |
| CR | 64 | | PPM | XRF |
| LA | 75.9 | | PPM | MS |
| CE | 119.3 | | PPM | MS |
| PR | 12.3 | | PPM | MS |
| ND | 43.6 | | PPM | MS |
| SM | 6.54 | | PPM | MS |
| EU | 1.37 | | PPM | MS |
| GD | 4.2 | | PPM | MS |
| HO | 0.62 | | PPM | MS |
| ER | 1.57 | | PPM | MS |
| YB | 1.25 | | PPM | MS |
| U | 3.33 | | PPM | MS |
| TH | 24.3 | | PPM | MS |
| PB | 12.9 | | PPM | MS |
| NB | 15.2 | | PPM | MS |
| HF | 6.1 | | PPM | MS |
| CS | 1.5 | | PPM | MS |
| W | 1.1 | | PPM | MS |
| MO | 1.4 | | PPM | MS |
| PB206_PB204 | 17.686 | | | TIMS |
| PB207_PB204 | 15.56 | | | TIMS |
| PB208_PB204 | 39.034 | | | TIMS |
References
- Norman, Marc D; Mertzman, Stanley A (1991) Petrogenesis of Challis Volcanics from central and southwestern Idaho;trace element and Pb isotopic evidence. Journal of Geophysical Research, B, Solid Earth and Planets, vol.96,no.8, pp.13,279-13,293, 30 Jul 1991 doi:10.1029/91JB00285