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Sample HSP-121

NavDat sample number 29285 · BASALT

Sample

Sample IDHSP-121
Rock nameBASALT
Rock typeVOLCANIC
CompositionMAFIC
MaterialIGNEOUS
Commentsilica-saturated olivine tholeiite; rare olivine and plag phenos in fine-grained intersertal groundmass

Location

Latitude43.422
Longitude-115.586
LocationWestern Snake River Plain
State / provinceIdaho
Volcanic fieldBoise River Group 1, Rock Creek Basalt

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
1.3 0.5 2.1

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO247.9WT%EPMA
TIO23.14WT%EPMA
AL2O315.6WT%EPMA
FEOT15.06WT%EPMA
MNO0.25WT%EPMA
MGO4.79WT%EPMA
CAO8.1WT%EPMA
NA2O3.01WT%EPMA
K2O1.75WT%EPMA
P2O51WT%EPMA
TOTAL100.59WT%EPMA

References