Sample 202119
NavDat sample number 38400 · BASALTIC-ANDESITE
Sample
| Sample ID | 202119 |
|---|---|
| Rock name | BASALTIC-ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | duBray and Harlan |
| Comment | Basaltic andesite lava flows |
Location
| Latitude | 45.6468 |
|---|---|
| Longitude | -109.992 |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 75.31 | 74.89 | 75.73 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 53.39 | WT% | XRF | |
| AL2O3 | 18.93 | WT% | XRF | |
| FE2O3 | 1.31 | WT% | XRF | |
| FEO | 6.7 | WT% | XRF | |
| MGO | 3.95 | WT% | XRF | |
| CAO | 8.97 | WT% | XRF | |
| NA2O | 3.29 | WT% | XRF | |
| K2O | 2.16 | WT% | XRF | |
| TIO2 | 0.68 | WT% | XRF | |
| P2O5 | 0.48 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| LOI | 1.61 | WT% | XRF | |
| RB | 45 | PPM | XRF | |
| SR | 861 | PPM | EDXRF | |
| Y | 16 | PPM | EDXRF | |
| ZR | 57 | PPM | EDXRF | |
| NB | 7 | PPM | EDXRF | |
| PB | 6 | PPM | EDXRF | |
| BA | 892 | PPM | EDXRF | |
| LA | 32 | PPM | EDXRF | |
| CE | 54 | PPM | EDXRF | |
| ND | 26 | PPM | EDXRF |