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Sample CH82-58

NavDat sample number 11458 · BASALT

Sample

Sample IDCH82-58
Rock nameBASALT
Rock typeVOLCANIC
CompositionMAFIC
MaterialIGNEOUS
Commentvery fine grained matrix of intergranular cpx, plagioclase, oxide, and abundant oxide mesostasis; porphyritic and glomeroporphyritic plagioclase laths and fresh to completely clay-altered olivine; patches ofalteration to calcite and clay

Location

Latitude41.7971
Longitude-115.796
Locationdomelike exposure of highly fractured and jointed dike? basalt, N of Point of Rocks; Elko County
State / provinceNevada

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
14.5 13.4 15.6

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO248.1WT%UNKNOWN
TIO21.96WT%UNKNOWN
AL2O315.4WT%UNKNOWN
FE2O3T13.6WT%UNKNOWN
MNO0.19WT%UNKNOWN
MGO5.65WT%UNKNOWN
CAO8.52WT%UNKNOWN
NA2O2.68WT%UNKNOWN
K2O1.18WT%UNKNOWN
P2O50.43WT%UNKNOWN
LOI0.93WT%UNKNOWN
TOTAL98.64WT%UNKNOWN

References