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Sample USGSD4309
NavDat sample number 19116 · GRANODIORITE
Sample
| Sample ID | USGSD4309 |
|---|
| Rock name | GRANODIORITE |
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| Rock type | PLUTONIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Collected by | J.H. Dover |
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| Comment | strongly-foliated, coarse to even grained, pyroxene hornblende biotite granodiorite, border phase of the Pioneer Mtn pluton |
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Location
| Latitude | 43.7597 |
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| Longitude | -114.126 |
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| Location | cirque at head of Wildhorse Creek, central Pioneer Mountains; Custer County |
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| State / province | Idaho |
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| Volcanic field | Pioneer Mountain pluton |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 67.2 |
|
64.8 |
69.6 |
|
|
Analyses
No chemical analyses are stored for this sample.
