NGDB rock sample W189421

Field Value
Unique Sample ID Number W189421
Analytical Job Number AF40
Submitter Name Grybeck, Donald J.
Date Submitted 19750728
Field Number 75DG156A
State AK
Latitude 57.98972
Longitude -133.77556
Primary Classification rock
Secondary Classification igneous
Specific Name hornblendite
Additional Attributes and Comments magnetite-plagioclase-epidote-hornblende hornblend;
Stratigraphic Unit Name TRACY ARM ULTRAMAFIC
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Geologic map unit -133.77556, 57.98972
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
H2O+ 0.88 percent bound water (unknown method)
H2O- 0.11 percent moisture (unknown method)
CO2 0.19 percent by weight Titration
Na2O 0.98 percent by weight AA
MgO 9.2 percent by weight AA
Al2O3 7.5 percent by weight Colorimetry
SiO2 40.4 percent by weight Colorimetry
P2O5 0.03 percent by weight Colorimetry
K2O 0.88 percent by weight AA
CaO 13.7 percent by weight AA
TiO2 2.3 percent by weight Colorimetry
MnO 0.15 percent by weight Colorimetry
Fe2O3 11.1 percent by weight Colorimetry
FeO 11.6 percent by weight Titration