NGDB rock sample M172943

Field Value
Unique Sample ID Number M172943
Analytical Job Number LR17
Submitter Name Brew, David A.
Date Submitted 19860715
Field Number 86RN49B
State AK
Latitude 58.29639
Longitude -134.35583
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);; chl alt'd andesitic(?) grnschist;
Geologic Age or Range Mesozoic undifferentiated
Stratigraphic Unit Name GASTANEAU VOLCS.
Alteration altrtn present
Metamorphic Facies or Grade greenschist
(click for info)
Geologic map unit -134.35583, 58.29639
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Gold L0.1 ppm by weight AA (partial)