NGDB rock sample M172885

Field Value
Unique Sample ID Number M172885
Analytical Job Number LR13
Submitter Name Brew, David A.
Date Submitted 19860715
Field Number 86RN11A
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 metasomatism unknown; quartz present; aluminosilicate, pelitic (schist, phyllite, mica gneiss);; phyllite, slightly alt'd;
Geologic Age or Range Triassic
Stratigraphic Unit Name PERSERVERENCE SL.
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 0.2 ppm by weight AA (partial)