← Search
Sample TP38
NavDat sample number 34456 · TUFF
Sample
| Sample ID | TP38 |
|---|
| 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 | 79.75 | | WT% | XRF |
| TIO2 | 0.158 | | WT% | XRF |
| AL2O3 | 12.36 | | WT% | XRF |
| FEOT | 2.65 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.48 | | WT% | XRF |
| NA2O | 3.44 | | WT% | XRF |
| K2O | 4.96 | | WT% | XRF |
| P2O5 | 0.013 | | WT% | XRF |
| TOTAL | 103.85 | | WT% | XRF |
| BA | 233 | | PPM | XRF |
| RB | 160 | | PPM | XRF |
| SR | 40 | | PPM | XRF |
| ZR | 353 | | PPM | XRF |
| Y | 46 | | PPM | XRF |
| NB | 59 | | PPM | XRF |
| LA | 103 | | PPM | XRF |
| CE | 184 | | PPM | XRF |
| TH | 26 | | PPM | XRF |
| D18O | 7.55 | | PERMILL | MS |