NGDB rock sample M172951

Field Value
Unique Sample ID Number M172951
Analytical Job Number LR17
Submitter Name Brew, David A.
Date Submitted 19860715
Field Number 86RN58A
State AK
Latitude 58.29944
Longitude -134.35611
Source of Sample outcrop
Collection Method composite
Primary Classification rock
Secondary Classification metamorphic
Specific Name greenschist
Additional Attributes and Comments metasomatic; quartz absent; mafic (greenstone, greenschist, amphibolite);; carb-bio 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 -134.35611, 58.29944
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Element Measured value Units of measure Analytical method
Gold L0.1 ppm by weight AA (partial)