NGDB rock sample W223197

Field Value
Unique Sample ID Number W223197
Analytical Job Number BK71
Submitter Name Brew, David A.
Date Submitted 19830913
Field Number 83EW028A
State AK
Latitude 58.31361
Longitude -134.3725
Source of Sample mine dump/prospect pit
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name metadiorite
Additional Attributes and Comments not metasomatic;; calcite-quartz-altered diorite;
Geologic Age or Range Permian--Cretaceous
Type of Metamorphism regional
Metamorphic Facies or Grade greenschist
(click for info)
Geologic map unit -134.3725, 58.31361
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Na2O 3.37 percent by weight XRF
MgO 4.38 percent by weight XRF
Al2O3 18.2 percent by weight XRF
SiO2 41.4 percent by weight XRF
P2O5 0.19 percent by weight XRF
K2O 2.45 percent by weight XRF
CaO 8.83 percent by weight XRF
TiO2 1.86 percent by weight XRF
MnO 0.16 percent by weight XRF
FeO 8.3 percent by weight Titration
FeTO3 10.5 percent Fe2O3 by weight XRF