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Sample TP56b
NavDat sample number 34454 · TUFF
Sample
| Sample ID | TP56b |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | devitrified |
|---|
Location
| Latitude | 44.521 |
|---|
| Longitude | -114.436 |
|---|
| Location | Challis volcanic field |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Tuff of Challis Creek, lower cooling unit |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 47.2 |
|
46.1 |
48.9 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 77.32 | | WT% | XRF |
| TIO2 | 0.153 | | WT% | XRF |
| AL2O3 | 12.57 | | WT% | XRF |
| FEOT | 2.68 | | WT% | XRF |
| MNO | 0.064 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.75 | | WT% | XRF |
| NA2O | 3.55 | | WT% | XRF |
| K2O | 5.23 | | WT% | XRF |
| P2O5 | 0.015 | | WT% | XRF |
| TOTAL | 102.33 | | WT% | XRF |
| BA | 227 | | PPM | XRF |
| RB | 323 | | PPM | XRF |
| SR | 51 | | PPM | XRF |
| ZR | 342 | | PPM | XRF |
| Y | 52 | | PPM | XRF |
| NB | 65 | | PPM | XRF |
| LA | 95 | | PPM | XRF |
| CE | 160 | | PPM | XRF |
| TH | 26 | | PPM | XRF |
| D18O | 7.94 | | PERMILL | MS |
