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Sample 7H22B
NavDat sample number 48549 · ANDESITE
Sample
| Sample ID | 7H22B |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 43.4044 |
|---|
| Longitude | -113.962 |
|---|
| Location | Little Wood River area |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis Volcanic Group |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 49 |
|
47 |
51 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 60.52 | | WT% | XRF |
| TIO2 | 0.7 | | WT% | XRF |
| AL2O3 | 16.46 | | WT% | XRF |
| FE2O3T | 4.46 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| MGO | 1.33 | | WT% | XRF |
| CAO | 3.68 | | WT% | XRF |
| NA2O | 1.8 | | WT% | XRF |
| K2O | 3.53 | | WT% | XRF |
| P2O5 | 0.23 | | WT% | XRF |
| LOI | 7.84 | | WT% | XRF |
| TOTAL | 100.59 | | WT% | XRF |
