AGDB2 rock sample W189426

(metamorphic, metabasalt)

Field Value
Lab ID W189426
Field ID 75RC052B
Job ID AF41
Sample submitter Berg, Henry C.
Project name Ketchikan AMRAP
Date submitted 8/19/1975 0:00:00
Country United States
State AK
Map quadrangle Ketchikan
Geographic latitude 55.40611
Geographic longitude -131.45833
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name metabasalt
Sample comment gabbro-basalt, metavolc
Geologic age Paleozoic--Cretaceous
Mineralization type fault/shear
Igneous setting dike/sill
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Geologic map unit -131.45833, 55.40611
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Element Value Units Technique Digestion Decomposition Laboratory
Al2O3 16.7 pct CM T fusion USGS-BAL
CaO 10.3 pct AA T fusion USGS-BAL
CO2 L0.01 pct VOL T HCl USGS-BAL
Fe2O3 5.3 pct CM T fusion USGS-BAL
FeO 6.9 pct TT T HF-H2SO4 USGS-BAL
H2Om 0.05 pct GV T USGS-BAL
H2Ob 1.5 pct GV T flux and combustion, total H2O less moisture USGS-BAL
K2O 1.9 pct AA T fusion USGS-BAL
MgO 6.3 pct AA T fusion USGS-BAL
MnO 0.18 pct CM T fusion USGS-BAL
Na2O 2.8 pct AA T fusion USGS-BAL
P2O5 0.44 pct CM T fusion USGS-BAL
SiO2 46.7 pct CM T fusion USGS-BAL
TiO2 1.2 pct CM T fusion USGS-BAL