AGDB2 rock sample M173208

(metamorphic, semischist)

Field Value
Lab ID M173208
Field ID 86DB060B
Job ID LR40
Sample submitter Brew, David A.
Project name Juneau AMRAP
Date submitted 7/30/1986 0:00:00
Country United States
State AK
Map quadrangle Juneau
Geographic latitude 58.31222
Geographic longitude -134.3775
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name semischist
Sample comment quartz chlorite semischist
Additional sample attributes not metasomatic; quartz present; siliceous (quartzite)
Geologic age Permian--Cretaceous
Stratigraphic unit Perseverance Slate Fm
Metamorphic setting regional
Metamorphic facies or grade greenschist
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Geologic map unit -134.3775, 58.31222
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 L0.1 ppm AA T HBr-Br2 and MIBK USGS-BAL