Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
Black, Brown, Dark Grey to Black, Red
Decorative Aggregates, Interior Decoration
Garden Decoration, Paving Stone
Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works
Artifacts, Monuments, Sculpture
As a traction material on snow-covered roads, Creating Artwork, High-temperature insulation, In gas barbecue grills
Basaltic Scoria and Andesitic Scoria
Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny
Archaeological Significance
Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.
Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Coastal Erosion, Glacier Erosion
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Deposits in Eastern Continents
Afghanistan, Indonesia, Japan, Russia
Ethiopia, Kenya, Tanzania
Greece, Hungary, Iceland, Italy, Turkey
Deposits in Western Continents
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Argentina, Chile, Ecuador, Peru
Deposits in Oceania Continent
New Zealand, Western Australia
Information about Scoria
Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Scoria Uses. We have provided you with all information about Scoria rock here. Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Scoria is available in black, brown, dark grey to black, red colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Scoria is white. Get to know more about Scoria rock and characteristics of Scoria rock in the next sections.