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Sample 7H18
NavDat sample number 48545 · BASALTIC-ANDESITE
Sample
| Sample ID | 7H18 |
|---|
| Rock name | BASALTIC-ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | contains plag, pyroxene, and olivine |
|---|
Location
| Latitude | 43.5203 |
|---|
| Longitude | -114.138 |
|---|
| Location | Little Wood River area |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis Volcanic Group |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 49 |
|
48 |
51 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 53.47 | | WT% | XRF |
| TIO2 | 0.97 | | WT% | XRF |
| AL2O3 | 12.92 | | WT% | XRF |
| FE2O3T | 10.26 | | WT% | XRF |
| MNO | 0.16 | | WT% | XRF |
| MGO | 4.6 | | WT% | XRF |
| CAO | 8.7 | | WT% | XRF |
| NA2O | 2.99 | | WT% | XRF |
| K2O | 2.4 | | WT% | XRF |
| P2O5 | 0.46 | | WT% | XRF |
| LOI | 2.88 | | WT% | XRF |
| TOTAL | 99.81 | | WT% | XRF |
