NGDB rock sample M151134

Field Value
Unique Sample ID Number M151134
Analytical Job Number KW02
Submitter Name Nokleberg, Warren J.
Date Submitted 19811113
Field Number 81NK236A
State AK
Latitude 63.32417
Longitude -144.40222
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 -144.40222, 63.32417
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Na2O 4.38 percent by weight XRF
MgO 0.49 percent by weight XRF
Al2O3 12 percent by weight XRF
SiO2 75.1 percent by weight XRF
P2O5 0.06 percent by weight XRF
K2O 1.81 percent by weight XRF
CaO 1.14 percent by weight XRF
TiO2 0.34 percent by weight XRF
MnO L0.02 percent by weight XRF
FeO 0.38 percent by weight Titration
FeTO3 1.75 percent Fe2O3 by weight XRF
Rubidium 30 ppm by weight XRF
Strontium 46 ppm by weight XRF