Sample 9-18-91-11
NavDat sample number 92348 · COMENDITE
Sample
| Sample ID | 9-18-91-11 |
|---|---|
| Rock name | COMENDITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.3275 |
|---|---|
| Longitude | -103.836 |
| Location | Terry Peak |
| State / province | South Dakota |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 52 | 46 | 58 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72 | WT% | XRF | |
| TIO2 | 0.19 | WT% | XRF | |
| AL2O3 | 14.4 | WT% | XRF | |
| FE2O3 | 1.55 | WT% | XRF | |
| FEOT | 1.72 | WT% | XRF | |
| FEO | 0.1 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 0.15 | WT% | XRF | |
| CAO | 0.22 | WT% | XRF | |
| NA2O | 6.2 | WT% | XRF | |
| K2O | 4.2 | WT% | XRF | |
| P2O5 | 0.06 | WT% | XRF | |
| CO2 | -0.01 | WT% | XRF | |
| LOI | 0.45 | WT% | XRF | |
| NB | 42 | PPM | XRF | |
| RB | 112 | PPM | XRF | |
| SR | 176 | PPM | XRF | |
| ZR | 350 | PPM | XRF | |
| Y | 34 | PPM | XRF | |
| BA | 1300 | PPM | XRF | |
| CE | 190 | PPM | XRF | |
| LA | 154 | PPM | XRF | |
| ZN | 95 | PPM | XRF | |
| H2O_PLUS | 0.29 | WT% | UNKNOWN | |
| H2O_MINUS | 0.14 | WT% | UNKNOWN | |
| CO2 | -0.01 | WT% | UNKNOWN | |
| TH | 61 | PPM | ICPMS | |
| U | 24.1 | PPM | ICPMS | |
| LA | 160 | PPM | ICPMS | |
| CE | 210 | PPM | ICPMS | |
| PR | 19 | PPM | ICPMS | |
| ND | 61 | PPM | ICPMS | |
| SM | 9.2 | PPM | ICPMS | |
| EU | 2.7 | PPM | ICPMS | |
| GD | 8 | PPM | ICPMS | |
| TB | 0.84 | PPM | ICPMS | |
| DY | 4.6 | PPM | ICPMS | |
| HO | 0.79 | PPM | ICPMS | |
| ER | 2.3 | PPM | ICPMS | |
| TM | 0.33 | PPM | ICPMS | |
| YB | 2.1 | PPM | ICPMS |