NGDB rock sample M172887

Field Value
Unique Sample ID Number M172887
Analytical Job Number LR13
Submitter Name Brew, David A.
Date Submitted 19860715
Field Number 86RN11C
State AK
Latitude 58.29639
Longitude -134.33194
Source of Sample outcrop
Collection Method composite
Primary Classification rock
Secondary Classification metamorphic
Specific Name phyllite
Additional Attributes and Comments not metasomatic; quartz present; aluminosilicate, pelitic (schist, phyllite, mica gneiss);; phyllite, mod.-strngly alt'd;
Geologic Age or Range Triassic
Stratigraphic Unit Name PERSERVERENCE SLATE
Alteration altrtn present
Type of Metamorphism regional
Metamorphic Facies or Grade greenschist
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Geologic map unit -134.33194, 58.29639
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Element Measured value Units of measure Analytical method
Gold L0.1 ppm by weight AA (partial)