NGDB rock sample M172955

Field Value
Unique Sample ID Number M172955
Analytical Job Number LR17
Submitter Name Brew, David A.
Date Submitted 19860715
Field Number 86RN60A
State AK
Latitude 58.30417
Longitude -134.35694
Source of Sample outcrop
Collection Method composite
Primary Classification rock
Secondary Classification metamorphic
Specific Name greenschist
Additional Attributes and Comments metasomatic; quartz present; mafic (greenstone, greenschist, amphibolite);; chl-ank alt'd andesitic(?) grnschist;
Geologic Age or Range Mesozoic undifferentiated
Stratigraphic Unit Name GASTANEAU VOLCS.
Alteration altrtn present
Metamorphic Facies or Grade greenschist
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Geologic map unit -134.35694, 58.30417
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Element Measured value Units of measure Analytical method
Gold L0.1 ppm by weight AA (partial)