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Sample L-847

NavDat sample number 2778 · DIORITE

Sample

Sample IDL-847
Rock nameDIORITE
Rock typePLUTONIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byJ. Durek, Phelps Dodge Corp., and F.W. McDowell, Columbia Univ.
Commentfine grained, porphyritic, composed of plagioclase large phenocrysts, hornblende badly resorbed with magnetite and chlorite reaction rims, groundmass of quartz, orthoclase, and plagioclase.

Location

Latitude33.0467
Longitude-109.404
Location3 mi SW of Morenci, Greenlee County, AZ
State / provinceArizona

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
64.8 58.5 71.1

Analyses

No chemical analyses are stored for this sample.

References