Sample 9-14-91-3
NavDat sample number 92301 · COMENDITE
Sample
| Sample ID | 9-14-91-3 |
|---|---|
| Rock name | COMENDITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.5888 |
|---|---|
| Longitude | -104.715 |
| Location | Devil's Tower |
| 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 | 60.4 | WT% | XRF | |
| TIO2 | 0.32 | WT% | XRF | |
| AL2O3 | 18.1 | WT% | XRF | |
| FE2O3 | 2.85 | WT% | XRF | |
| FEOT | 3.17 | WT% | XRF | |
| FEO | 0.52 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 0.29 | WT% | XRF | |
| CAO | 1.31 | WT% | XRF | |
| NA2O | 7.99 | WT% | XRF | |
| K2O | 4.8 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| CO2 | 0.18 | WT% | XRF | |
| LOI | 2.6 | WT% | XRF | |
| NB | 138 | PPM | XRF | |
| RB | 144 | PPM | XRF | |
| SR | 1400 | PPM | XRF | |
| ZR | 550 | PPM | XRF | |
| Y | 44 | PPM | XRF | |
| BA | 950 | PPM | XRF | |
| CE | 160 | PPM | XRF | |
| LA | 98 | PPM | XRF | |
| CU | 12 | PPM | XRF | |
| ZN | 118 | PPM | XRF | |
| H2O_PLUS | 2.09 | WT% | UNKNOWN | |
| H2O_MINUS | 0.2 | WT% | UNKNOWN | |
| CO2 | 0.18 | WT% | UNKNOWN | |
| TH | 64.1 | PPM | ICPMS | |
| U | 25.5 | PPM | ICPMS | |
| LA | 100 | PPM | ICPMS | |
| CE | 160 | PPM | ICPMS | |
| PR | 15 | PPM | ICPMS | |
| ND | 51 | PPM | ICPMS | |
| SM | 10 | PPM | ICPMS | |
| EU | 3 | PPM | ICPMS | |
| GD | 8.4 | PPM | ICPMS | |
| TB | 1.1 | PPM | ICPMS | |
| DY | 6.5 | PPM | ICPMS | |
| HO | 1.1 | PPM | ICPMS | |
| ER | 4 | PPM | ICPMS | |
| TM | 0.64 | PPM | ICPMS | |
| YB | 4.8 | PPM | ICPMS |