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Sample CH82-65B

NavDat sample number 11461 · BASALT

Sample

Sample IDCH82-65B
Rock nameBASALT
Rock typeVOLCANIC
CompositionMAFIC
MaterialIGNEOUS
Commentfine grained, intergranular to subophitic, nearly equigranular assemblage of plagioclase, cpx, olivine, and oxide; abundant oxide mesostasis pervasively altered to clay; minor glomeroporphyritic clumps of plagioclase

Location

Latitude41.1875
Longitude-116.926
Locationflow exposed in basal section of Owyhee Bluffs and cut by Sawtooth dike, Midas Trough; Elko County
State / provinceNevada

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
12.7 11.9 13.5

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO250.4WT%UNKNOWN
TIO20.97WT%UNKNOWN
AL2O315.7WT%UNKNOWN
FE2O3T9.65WT%UNKNOWN
MNO0.14WT%UNKNOWN
MGO6.66WT%UNKNOWN
CAO9.39WT%UNKNOWN
NA2O2.45WT%UNKNOWN
K2O0.64WT%UNKNOWN
P2O50.25WT%UNKNOWN
LOI3.16WT%UNKNOWN
TOTAL99.41WT%UNKNOWN

References