NGDB rock sample M172957

Field Value
Unique Sample ID Number M172957
Analytical Job Number LR17
Submitter Name Brew, David A.
Date Submitted 19860715
Field Number 86RN61A
State AK
Latitude 58.305
Longitude -134.35639
Source of Sample outcrop
Collection Method composite
Primary Classification rock
Secondary Classification metamorphic
Specific Name phyllite
Additional Attributes and Comments metasomatic; quartz present; aluminosilicate, pelitic (schist, phyllite, mica gneiss);; mod-alt'd chl-ank-bio-qtz-po rock(phyll);
Geologic Age or Range Tertiary undifferentiated
Alteration altrtn present
Type of Metamorphism hydrothermal
Metamorphic Facies or Grade greenschist
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Geologic map unit -134.35639, 58.305
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Element Measured value Units of measure Analytical method
Gold L0.1 ppm by weight AA (partial)