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Sample no name 20
NavDat sample number 4300 · DIORITE
Sample
| Sample ID | no name 20 |
|---|
| Rock name | DIORITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | C.W. Field |
|---|
| Comment | biotite copmletely altered to chlorite, hornblende partly altered due to regional metamorphism or possibly hydrothermal activity |
Location
| Latitude | 44.825 |
|---|
| Longitude | -116.633 |
|---|
| Location | Washington County |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Peck Mountain complex |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 165 |
|
154 |
176 |
|
|
Analyses
No chemical analyses are stored for this sample.