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Sample HSP-113

NavDat sample number 29340 · BASALT

Sample

Sample IDHSP-113
Rock nameBASALT
Rock typeVOLCANIC
CompositionMAFIC
MaterialIGNEOUS
Commentalkali olivine basalt; unit comprises aa flows near the source cinder cone and pahoehoe flows farther away; contains microphenos of plag and olivine in glassy to aphanitic groundmass of plag, olivine, pyroxene, alkali feldspar, glass, and opaques; given location is for the vent

Location

Latitude43.521
Longitude-115.416
LocationWestern Snake River Plain
State / provinceIdaho
Volcanic fieldBoise River Group 2, Fall Creek basalt

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.35 0.2 0.5

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO247.6WT%EPMA
TIO22.34WT%EPMA
AL2O316.1WT%EPMA
FEOT13.11WT%EPMA
MNO0.15WT%EPMA
MGO7.18WT%EPMA
CAO8.88WT%EPMA
NA2O2.72WT%EPMA
K2O1.01WT%EPMA
P2O50.29WT%EPMA
TOTAL99.33WT%EPMA
NB22PPMXRF
ZR153PPMXRF
Y36PPMXRF
SR324PPMXRF
RB24PPMXRF
NI79PPMXRF
CR149PPMXRF
V254PPMXRF
SC26PPMXRF
BA608PPMXRF
LA16.69PPMINAA
CE37.1PPMINAA
ND19.9PPMINAA
SM5.2PPMINAA
EU1.82PPMINAA
TB0.765PPMINAA
YB2.62PPMINAA
LU0.379PPMINAA
HF3.69PPMINAA
TA1.44PPMINAA
U0.52PPMINAA
TH1.31PPMINAA

References