Sample I-841
NavDat sample number 21978 · TUFF
Sample
| Sample ID | I-841 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 42.6333 |
|---|---|
| Longitude | -115.8 |
| Location | Bruneau-Jarbidge |
| State / province | Idaho |
| Volcanic field | Cougar Point Tuff, Unit VII |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 12 | 10.8 | 13.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.06 | WT% | ICP | |
| TIO2 | 0.49 | WT% | ICP | |
| AL2O3 | 12.97 | WT% | ICP | |
| FE2O3T | 3.31 | WT% | ICP | |
| MNO | 0.05 | WT% | ICP | |
| MGO | 0.42 | WT% | ICP | |
| CAO | 1.35 | WT% | ICP | |
| NA2O | 2.51 | WT% | ICP | |
| K2O | 5.76 | WT% | ICP | |
| P2O5 | 0.09 | WT% | ICP | |
| BA | 989 | PPM | ICP | |
| SR | 87 | PPM | ICP | |
| V | 15 | PPM | ICP | |
| ZN | 57 | PPM | ICP | |
| ZR | 483 | PPM | XRF | |
| SC | 5.7 | PPM | INAA | |
| Y | 62 | PPM | XRF | |
| RB | 220 | PPM | XRF | |
| NB | 41 | PPM | XRF | |
| PB | 31 | PPM | XRF | |
| LA | 78.4 | PPM | INAA | |
| CE | 153 | PPM | INAA | |
| ND | 62.4 | PPM | INAA | |
| SM | 11.7 | PPM | INAA | |
| EU | 1.49 | PPM | INAA | |
| TB | 0.87 | PPM | INAA | |
| TM | 1.63 | PPM | INAA | |
| YB | 5.65 | PPM | INAA | |
| LU | 0.88 | PPM | INAA | |
| CO | 2.7 | PPM | INAA | |
| HF | 12.9 | PPM | INAA | |
| TA | 3.13 | PPM | INAA | |
| CS | 4.92 | PPM | INAA | |
| TH | 32.2 | PPM | INAA | |
| U | 8.5 | PPM | INAA | |
| SR87_SR86 | 0.71035 | MS | ||
| ND143_ND144 | 0.512191 | MS |