NGDB rock sample M151142

Field Value
Unique Sample ID Number M151142
Analytical Job Number KW02
Submitter Name Nokleberg, Warren J.
Date Submitted 19811113
Field Number 81NK239A
State AK
Latitude 63.25889
Longitude -144.0333
Source of Sample outcrop
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name metarhyolite
Additional Attributes and Comments not metasomatic; quartz present; feldspathic (granite gneiss, syenite gneiss, biotite gneiss);; metarhyolite;
Type of Metamorphism regional
Metamorphic Facies or Grade greenschist
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Geologic map unit -144.0333, 63.25889
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Na2O 4.04 percent by weight XRF
MgO 1.06 percent by weight XRF
Al2O3 11.1 percent by weight XRF
SiO2 78.2 percent by weight XRF
P2O5 L0.05 percent by weight XRF
K2O 1.33 percent by weight XRF
CaO 0.52 percent by weight XRF
TiO2 0.32 percent by weight XRF
MnO L0.02 percent by weight XRF
FeO 0.05 percent by weight Titration
FeTO3 1.54 percent Fe2O3 by weight XRF
Rubidium 22 ppm by weight XRF
Strontium 17 ppm by weight XRF