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Sample TP39
NavDat sample number 34455 · TUFF
Sample
| Sample ID | TP39 |
|---|
| 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, middle cooling unit |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 45.9 |
|
45.7 |
46.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 80.4 | | WT% | XRF |
| TIO2 | 0.161 | | WT% | XRF |
| AL2O3 | 12.56 | | WT% | XRF |
| FEOT | 2.3 | | WT% | XRF |
| MNO | 0.041 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.58 | | WT% | XRF |
| NA2O | 3.75 | | WT% | XRF |
| K2O | 4.91 | | WT% | XRF |
| P2O5 | 0.018 | | WT% | XRF |
| TOTAL | 104.72 | | WT% | XRF |
| BA | 227 | | PPM | XRF |
| RB | 161 | | PPM | XRF |
| SR | 40 | | PPM | XRF |
| ZR | 353 | | PPM | XRF |
| Y | 47 | | PPM | XRF |
| NB | 59 | | PPM | XRF |
| LA | 96 | | PPM | XRF |
| CE | 172 | | PPM | XRF |
| TH | 26 | | PPM | XRF |
| D18O | 7.34 | | PERMILL | MS |
