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Sample CH83-22

NavDat sample number 11440 · BASALT

Sample

Sample IDCH83-22
Rock nameBASALT
Rock typeVOLCANIC
CompositionMAFIC
MaterialIGNEOUS
Commentvery fine grained matrix of intergranular plagioclase, cpx, olivine, and oxide; abundant interstitial oxide-rich mesostasis and scattered interstitial clay/calcite after glass and plagioclase; scattered phenocrysts and glomeroporphyritic clumps of resorbed plagioclase

Location

Latitude41.7687
Longitude-117.574
Locationflow midway up basalt section along Canyon Creek, W side of Santa Rosa Range; Humboldt County
State / provinceNevada

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
11.4 10.5 12.3

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO251.5WT%UNKNOWN
TIO22.29WT%UNKNOWN
AL2O314.8WT%UNKNOWN
FE2O3T11.8WT%UNKNOWN
MNO0.17WT%UNKNOWN
MGO3.85WT%UNKNOWN
CAO6.98WT%UNKNOWN
NA2O3.17WT%UNKNOWN
K2O1.89WT%UNKNOWN
P2O50.52WT%UNKNOWN
LOI1.39WT%UNKNOWN
TOTAL98.36WT%UNKNOWN

References