AGDB2 rock sample M172957

(metamorphic, slate)

Field Value
Lab ID M172957
Field ID 86RN61A
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 58.305
Geographic longitude -134.35639
Sample source outcrop
Collection method composite
Primary media type rock
Secondary media type metamorphic
Sample media name slate
Sample comment mod-alt'd chl-ank-bt-qtz-po rock(phyll)-SL
Additional sample attributes metasomatic; quartz present; aluminosilicate, pelitic (schist, phyllite, mica gneiss)
Geologic age Cretaceous
Stratigraphic unit Perseverance Slate Fm
Mineralization type contact metamorphic
Alteration type altered
Metamorphic setting hydrothermal
Metamorphic facies or grade greenschist
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Geologic map unit -134.35639, 58.305
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