Sample 202100
NavDat sample number 38399 · BASALTIC-ANDESITE
Sample
| Sample ID | 202100 |
|---|---|
| Rock name | BASALTIC-ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | duBray and Harlan |
| Comment | Basaltic andesite lava flows |
Location
| Latitude | 45.6049 |
|---|---|
| Longitude | -110.024 |
| 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 | 54.35 | WT% | XRF | |
| AL2O3 | 19.24 | WT% | XRF | |
| FE2O3 | 1.24 | WT% | XRF | |
| FEO | 6.3 | WT% | XRF | |
| MGO | 3.16 | WT% | XRF | |
| CAO | 8.94 | WT% | XRF | |
| NA2O | 3.22 | WT% | XRF | |
| K2O | 2.34 | WT% | XRF | |
| TIO2 | 0.59 | WT% | XRF | |
| P2O5 | 0.49 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| LOI | 1.14 | WT% | XRF | |
| RB | 55 | PPM | XRF | |
| SR | 941 | PPM | EDXRF | |
| Y | 15 | PPM | EDXRF | |
| ZR | 93 | PPM | EDXRF | |
| NB | 9 | PPM | EDXRF | |
| PB | 27 | PPM | EDXRF | |
| TH | 14 | PPM | EDXRF | |
| BA | 909 | PPM | EDXRF | |
| LA | 40 | PPM | EDXRF | |
| CE | 72 | PPM | EDXRF | |
| ND | 19 | PPM | EDXRF |