AGDB2 rock sample M172419

(metamorphic, phyllite)

Field Value
Lab ID M172419
Field ID 85RN124D
Job ID LQ77
Sample submitter Brew, David A.
Project name Juneau AMRAP
Date submitted 6/25/1986 0:00:00
Country United States
State AK
Map quadrangle Juneau
Geographic latitude 58.30917
Geographic longitude -134.35944
Sample source mine/quarry
Primary media type rock
Secondary media type metamorphic
Sample media name phyllite
Sample comment biotite-quartz-chlorite-pyrrhotite phyllite
Additional sample attributes quartz present; aluminosilicate, pelitic (schist, phyllite, mica gneiss);
Geologic age Tertiary undifferentiated
Stratigraphic unit Perseverance Slate Fm
Alteration type silicified/silicated
Metamorphic setting regional
Metamorphic facies or grade low grade
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Geologic map unit -134.35944, 58.30917
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Gold 0.1 parts per million by weight AA_F_HBr
Element Value Units Technique Digestion Decomposition Laboratory
Gold 0.1 ppm AA T HBr-Br2 and MIBK USGS-BAL