AGDB2 rock sample M172950

(metamorphic, metamafite)

Field Value
Lab ID M172950
Field ID 86RN54
Job ID LR17
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 58.30583
Geographic longitude -134.33611
Sample source outcrop
Collection method composite
Primary media type rock
Secondary media type metamorphic
Sample media name metamafite
Sample comment mafic sill, very fresh in appearance
Additional sample attributes not metasomatic; quartz absent; mafic (greenstone, greenschist, amphibolite)
Geologic age Mesozoic undifferentiated
Stratigraphic unit Perseverance Slate Fm
Igneous setting sill
Metamorphic setting regional
Metamorphic facies or grade greenschist
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Geologic map unit -134.33611, 58.30583
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