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Sample L-851A

NavDat sample number 3931 · GRANODIORITE

Sample

Sample IDL-851A
Rock nameGRANODIORITE
Rock typePLUTONIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byauthor
Commentcoarse, equigranular; plagioclase partially altered, microcline, quartz, biotite slight chlorite around edges and within grains, hornblende mosaic of hornblende, chlorite, magnetite, and sericite

Location

Latitude32.8383
Longitude-108.079
Locationalong Hanover Creek, 0.5 miles S of Fierro; Grant County
State / provinceNew Mexico
Volcanic fieldHanover-Fierro stock

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
72.2 70.1 74.3

Analyses

No chemical analyses are stored for this sample.

References