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Sample L-1031b
NavDat sample number 3923 · GRANODIORITE
Sample
| Sample ID | L-1031b |
|---|
| Rock name | GRANODIORITE |
|---|
| Rock type | PLUTONIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
|---|
| Collected by | author |
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| Comment | medium grained; plagioclase some sericite, orthoclase, hornblende, quartz |
|---|
Location
| Latitude | 40.1178 |
|---|
| Longitude | -105.286 |
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| Location | just W of Jamestown; Boulder County |
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| State / province | Colorado |
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| Volcanic field | Jamestown stock |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 73.6 |
|
71.4 |
75.8 |
|
|
Analyses
No chemical analyses are stored for this sample.
