← Search
Sample L-1027a
NavDat sample number 3891 · TONALITE
Sample
| Sample ID | L-1027a |
|---|
| Rock name | TONALITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | author |
|---|
| Comment | medium grained; quartz, plagioclase, orthoclase, biotite largely primary, hornblende poorly developed, partially altered to biotite |
|---|
Location
| Latitude | 46.2614 |
|---|
| Longitude | -116.085 |
|---|
| Location | along US Route 12, about 3.5 miles N of Kamiah; Lewis County |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Idaho batholith |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 129 |
|
125 |
133 |
|
|
Analyses
No chemical analyses are stored for this sample.
