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Sample USGSM-672-2

NavDat sample number 3011 · BASALTIC-ANDESITE

Sample

Sample IDUSGSM-672-2
Rock nameBASALTIC-ANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byM.L. Silberman, F.R. Glass, U.S. Geological Survey
CommentThe Aurora-Crater volcano is a complex of lavas and dikes with a central partly collapsed core within which the cinder cones have been built. It has suffered minimal erosion and retains geomorphic features common to very young volcanoes Kleinhampl and others, 1972. It occupies about 8 square miles, north of the Aurora mining district. Its age is the youngest isotopic age on volcanic rock from this area.

Location

Latitude38.3128
Longitude-118.882
LocationAurora-Cedar Hill-Trench Canyon Alkali Valley Area
State / provinceNevada
FormationOf Aurora-Crater
Location commentMineral County, NV

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.26 0.21 0.31

Analyses

No chemical analyses are stored for this sample.

References