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Sample L-1126

NavDat sample number 3916 · MONZONITE

Sample

Sample IDL-1126
Rock nameMONZONITE
Rock typePLUTONIC
CompositionFELSIC
MaterialIGNEOUS
Collected byauthor
Commentmedium grained; plagioclase, orthoclase badly sericitized, quartz, biotite, altered hornblende?

Location

Latitude37.7953
Longitude-107.674
Locationalong US Route 550, 1.6 miles S of Silverton; San Juan County
State / provinceColorado
Volcanic fieldSilverton stock

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
27.6 26.8 28.4

Analyses

No chemical analyses are stored for this sample.

References