NGDB rock sample M172961

Field Value
Unique Sample ID Number M172961
Analytical Job Number LR18
Submitter Name Brew, David A.
Date Submitted 19860715
Field Number 86RN63A
State AK
Latitude 58.3
Longitude -134.33611
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);; somewhat bleached phyllite;
Geologic Age or Range Triassic
Stratigraphic Unit Name PERSERVERIENCE SLATE
Alteration altrtn present
Metamorphic Facies or Grade greenschist
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Geologic map unit -134.33611, 58.3
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Element Measured value Units of measure Analytical method
Gold L0.1 ppm by weight AA (partial)