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gptkbp:instance_of
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gptkb:Iron_Age
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|
gptkbp:appearance
|
perfect
|
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gptkbp:chemical_formula
|
Pb S
|
|
gptkbp:color
|
Lead gray
lead-gray
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gptkbp:difficulty
|
2.5 to 3
|
|
gptkbp:discovery
|
gptkb:Missouri
First discovered in ancient times
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|
gptkbp:environmental_impact
|
gptkb:Atmosphere
water pollution
toxic waste
soil contamination
lead contamination
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|
gptkbp:geological_features
|
important for mining history
important in economic geology
indicator of ore deposits
source of lead and silver
used in geology for dating rocks
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|
https://www.w3.org/2000/01/rdf-schema#label
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Galena
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gptkbp:is_found_in
|
sedimentary rocks
igneous rocks
metamorphic rocks
|
|
gptkbp:luster
|
Metallic
metallic
|
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gptkbp:mining_locations
|
gptkb:Missouri,_USA
gptkb:Australia
gptkb:Canada
gptkb:China
gptkb:Germany
gptkb:Illinois
gptkb:Mexico
gptkb:Missouri
gptkb:Peru
gptkb:Poland
gptkb:Wisconsin
gptkb:Iowa
gptkb:Kyrgyzstan
gptkb:Kansas
gptkb:Zinc_City,_USA
|
|
gptkbp:notable_artifact
|
gptkb:Sphalerite
gptkb:candy
gptkb:Calcite
calcite
pyrite
sphalerite
|
|
gptkbp:occurs_in
|
Lead ore
hydrothermal veins
|
|
gptkbp:structure
|
cubic
|
|
gptkbp:surface
|
7.4 to 7.6
|
|
gptkbp:used_in
|
lead production
|
|
gptkbp:uses
|
gptkb:ceramics
gptkb:photography
gptkb:weapons
batteries
soldering
glassmaking
pigments
radiation shielding
electrical contacts
cable sheathing
Lead production
X-ray shielding
|
|
gptkbp:bfsParent
|
gptkb:Wisconsin
|
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gptkbp:bfsLayer
|
4
|