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Sample L-847
NavDat sample number 2778 · DIORITE
Sample
| Sample ID | L-847 |
|---|
| Rock name | DIORITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | J. Durek, Phelps Dodge Corp., and F.W. McDowell, Columbia Univ. |
|---|
| Comment | fine grained, porphyritic, composed of plagioclase large phenocrysts, hornblende badly resorbed with magnetite and chlorite reaction rims, groundmass of quartz, orthoclase, and plagioclase. |
Location
| Latitude | 33.0467 |
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| Longitude | -109.404 |
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| Location | 3 mi SW of Morenci, Greenlee County, AZ |
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| State / province | Arizona |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 64.8 |
|
58.5 |
71.1 |
|
|
Analyses
No chemical analyses are stored for this sample.