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Sample HSP-89

NavDat sample number 29305 · BASALT

Sample

Sample IDHSP-89
Rock nameBASALT
Rock typeVOLCANIC
CompositionMAFIC
MaterialIGNEOUS
Commentalkali olivine basalt; microporphyritic with microphenos of olivine and plag in fine-grained, subophitic to intersertal matrix of plag, pyroxene, glass, and opaques; erupted from same cinder cone as unit 1; location given is for vent

Location

Latitude43.509
Longitude-115.505
LocationWestern Snake River Plain
State / provinceIdaho
Volcanic fieldBoise River Group 2, Smith Praire basalt, unit 2

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.26 0.1 0.42

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO249.2WT%EPMA
TIO21.92WT%EPMA
AL2O317.3WT%EPMA
FEOT10.3WT%EPMA
MNO0.12WT%EPMA
MGO6.66WT%EPMA
CAO9.36WT%EPMA
NA2O2.79WT%EPMA
K2O1.71WT%EPMA
P2O50.34WT%EPMA
TOTAL99.64WT%EPMA
NB33PPMXRF
ZR180PPMXRF
Y27PPMXRF
SR517PPMXRF
RB48PPMXRF
NI66PPMXRF
CR130PPMXRF
V186PPMXRF
SC18PPMXRF
BA602PPMXRF
LA20.77PPMINAA
CE45.4PPMINAA
ND22PPMINAA
SM5.49PPMINAA
EU1.77PPMINAA
TB0.768PPMINAA
YB2.39PPMINAA
LU0.354PPMINAA
HF4.32PPMINAA
TA2.15PPMINAA
U0.6PPMINAA
TH1.85PPMINAA

References