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General
- Scoria is
a textural term for macrovesicular volcanic rock.
- It is commonly, but
not exclusively, basaltic or andesitic in composition.
- Scoria is
light as a result of numerous macroscopic ellipsoidal vesicles, but most
scoria has a specific gravity greater than 1, and sinks in water.
- Scoria
is the common product of strombolian eruptions or lava fountains.
Process
- Is a type
of igneous rock formed under pressure during the formation of volcanic
cones.
- It
is therefore extremely hard and durable yet very porous, so it drains
water from surface soils extremely well.
- Scoria
formed as lava exploded out of a volcano.
- Gas
bubbles formed inside the lava, and were trapped as the lava cooled and
hardened into rock.
Application
- They can
be used to reduce the finished weight of any concrete or masonry product
by up to 30%.
- They are
ideal for specialty applications in the filter and refractory areas
where our sand's light weight, excellent insulating and fire refractory
properties give the product unique benefits.
- Crushed
and screened to specific sizes, the open structure and excellent
drainage properties of volcanic scoria creates a truly versatile product
for both landscaping purposes and as a bedding material for under soil
drainage applications.
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