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Sample 7H22D
NavDat sample number 48558 · TRACHYTE
Sample
| Sample ID | 7H22D |
|---|
| Rock name | TRACHYTE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | contains plag, sanidine, and abundant lithic fragments |
|---|
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 |
|---|
| 47 |
|
46 |
48 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 63.26 | | WT% | XRF |
| TIO2 | 0.69 | | WT% | XRF |
| AL2O3 | 15.77 | | WT% | XRF |
| FE2O3T | 4.03 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 1.26 | | WT% | XRF |
| CAO | 3.45 | | WT% | XRF |
| NA2O | 2.62 | | WT% | XRF |
| K2O | 5.11 | | WT% | XRF |
| P2O5 | 0.24 | | WT% | XRF |
| LOI | 3.33 | | WT% | XRF |
| TOTAL | 99.82 | | WT% | XRF |
