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Sample 99

NavDat sample number 39059 · BASALTIC-ANDESITE

Sample

Sample ID99
Rock nameBASALTIC-ANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
CommentSyn-and postcaldera basaltic andesite

Location

Latitude28.4055
Longitude-107.791
LocationTomochic volcanic center
State / provinceCHIHUAHUA
FormationTml

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
30 28.5 31.5

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SR87_SR860.7049MS
PB206_PB20418.734MS
PB207_PB20415.588MS
PB208_PB20438.533MS

References