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Sample CH83-48

NavDat sample number 11449 · BASALT

Sample

Sample IDCH83-48
Rock nameBASALT
Rock typeVOLCANIC
CompositionMAFIC
MaterialIGNEOUS
Commentfine to medium grained, nearly equigranular assemblage of intergranular plagioclase, augite, olivine, oxide, and interstitial oxide mesostasis; some scattered microphenocrysts of olivine

Location

Latitude43.7136
Longitude-118.563
Locationtop flow of 2 exposed basalts along Little Pine Creek, N of U.S. Highway 20; Harney County
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
11.5 10.8 12.2

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO252.5WT%UNKNOWN
TIO21.66WT%UNKNOWN
AL2O315.6WT%UNKNOWN
FE2O3T10.8WT%UNKNOWN
MNO0.19WT%UNKNOWN
MGO5.05WT%UNKNOWN
CAO8.21WT%UNKNOWN
NA2O2.96WT%UNKNOWN
K2O1.28WT%UNKNOWN
P2O50.64WT%UNKNOWN
LOI1.54WT%UNKNOWN
TOTAL100.43WT%UNKNOWN

References