← Search
Sample L-1036
NavDat sample number 3917 · MONZONITE
Sample
| Sample ID | L-1036 |
|---|
| Rock name | MONZONITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | author |
|---|
| Comment | medium grained; phenocrysts of plagioclase occasional large crystals; groundmass of plagioclase, orthoclase, biotite partially chloritized and abundant magnetite inclusions, and augite |
|---|
Location
| Latitude | 37.8589 |
|---|
| Longitude | -107.868 |
|---|
| Location | from large talus slope along Ophir Pass road about 0.5 miles E of Colorado Route 145; San Miguel County |
|---|
| State / province | Colorado |
|---|
| Volcanic field | Ophir pluton |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.1 |
|
25.3 |
26.9 |
|
|
Analyses
No chemical analyses are stored for this sample.
