NGDB rock sample M172403

Field Value
Unique Sample ID Number M172403
Analytical Job Number LQ77
Submitter Name Brew, David A.
Date Submitted 19860625
Field Number 85RN105C
State AK
Latitude 58.86778
Longitude -135.06139
Source of Sample mine/quarry
Primary Classification rock
Secondary Classification metamorphic
Specific Name hornfels
Additional Attributes and Comments quartz unknown; mafic (greenstone, greenschist, amphibolite);; biotite hornfels-metabasalt?;
Geologic Age or Range Tertiary undifferentiated
Stratigraphic Unit Name JUALIN "DIORITE"
Type of Metamorphism contact
Metamorphic Facies or Grade low grade
(click for info)
Geologic map unit -135.06139, 58.86778
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)