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Sample TP18-1
NavDat sample number 34458 · TUFF
Sample
| Sample ID | TP18-1 |
|---|
| 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, upper cooling unit |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 45.5 |
|
45.2 |
45.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 80.08 | | WT% | XRF |
| TIO2 | 0.141 | | WT% | XRF |
| AL2O3 | 12.22 | | WT% | XRF |
| FEOT | 2.93 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.51 | | WT% | XRF |
| NA2O | 2.62 | | WT% | XRF |
| K2O | 4.99 | | WT% | XRF |
| P2O5 | 0.013 | | WT% | XRF |
| TOTAL | 103.55 | | WT% | XRF |
| BA | 240 | | PPM | XRF |
| RB | 164 | | PPM | XRF |
| SR | 27 | | PPM | XRF |
| ZR | 335 | | PPM | XRF |
| Y | 52 | | PPM | XRF |
| NB | 57 | | PPM | XRF |
| LA | 108 | | PPM | XRF |
| CE | 166 | | PPM | XRF |
| TH | 23 | | PPM | XRF |
| D18O | 6.8 | | PERMILL | MS |
