Definition
An iron rich extrusive rock found as a member of the alkali basalt magma series
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities
History
Origin
Isle of Mull, Scotland
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Discoverer
Ben More
Unknown
Etymology
From the name of discoverer, Ben More
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock