AGDB2 rock sample M172983

(metamorphic, metagabbro)

Field Value
Lab ID M172983
Field ID 86DB013F
Job ID LR19
Sample submitter Brew, David A.
Project name Juneau AMRAP
Date submitted 7/15/1986 0:00:00
Country United States
State AK
Map quadrangle Juneau
Geographic latitude 58.28972
Geographic longitude -134.31611
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name metagabbro
Sample comment amphibolite (metagabbro) sill
Additional sample attributes not metasomatic; quartz present; mafic (greenstone, greenschist, amphibolite)
Geologic age Triassic
Stratigraphic unit Perseverance Slate Fm
Igneous setting sill
Metamorphic setting regional
Metamorphic facies or grade greenschist
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Geologic map unit -134.31611, 58.28972
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