NGDB rock sample M172941

Field Value
Unique Sample ID Number M172941
Analytical Job Number LR17
Submitter Name Brew, David A.
Date Submitted 19860715
Field Number 86RN48
State AK
Latitude 58.29528
Longitude -134.35667
Source of Sample outcrop
Collection Method composite
Primary Classification rock
Secondary Classification metamorphic
Specific Name greenschist
Additional Attributes and Comments metasomatic; quartz unknown; mafic (greenstone, greenschist, amphibolite);; carb-chl 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 -134.35667, 58.29528
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Element Measured value Units of measure Analytical method
Gold L0.1 ppm by weight AA (partial)