NGDB rock sample M139239

Field Value
Unique Sample ID Number M139239
Analytical Job Number KH58
Submitter Name Decker, John E.
Date Submitted 19790301
Field Number 78JD570A
State AK
Latitude 57.75333
Longitude -136.20556
Source of Sample outcrop
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name phyllite
Additional Attributes and Comments not metasomatic; quartz absent; mafic (greenstone, greenschist, amphibolite);; phyllite;
Geologic Age or Range Mesozoic undifferentiated
Stratigraphic Unit Name KELP BAY GROUP(HIGH GRADE UNIT)
Type of Metamorphism regional
Metamorphic Facies or Grade greenschist
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Geologic map unit -136.20556, 57.75333
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
LOI 2.59 percent by weight (unknown method)
Na2O 2.89 percent by weight XRF
MgO 8.32 percent by weight XRF
Al2O3 15 percent by weight XRF
SiO2 48.4 percent by weight XRF
P2O5 0.1 percent by weight XRF
K2O 0.19 percent by weight XRF
CaO 9.79 percent by weight XRF
TiO2 1.26 percent by weight XRF
MnO 0.166 percent by weight XRF
FeTO3 10.4 percent Fe2O3 by weight XRF