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Sample USGSD-HBD-4

NavDat sample number 6232 · DACITE

Sample

Sample IDUSGSD-HBD-4
Rock nameDACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Commenthornblende biotite dacite dike; age supersedes ages listed by Marvin and others 1974, entry 203, but may be slightly too old as dike cuts granodiorite which is 66.7 Ma see USGSD-LG-15

Location

Latitude39.3167
Longitude-106.129
LocationW side of Buckskin Creek elevation 3660 m, Mosquito Range; Park County
State / provinceColorado
Volcanic fieldintrusive complex of Buckskin Gulch

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
69.9 68.2 71.6

Analyses

No chemical analyses are stored for this sample.

References