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Chalk is a soft, white, porous,
sedimentary carbonate rock. It is a form of
limestone composed of the
mineral calcite and
originally formed deep under...
- Ant
chalk, also
known as
Chinese chalk or 'Miraculous
Insecticide Chalk', is an
insecticide in the form of
normal looking chalk. It
contains the pesticides...
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Chalk mining is the
extraction of
chalk from
underground and
above ground deposits by mining.
Mined chalk is used
mostly to make
cement and bricks. Chalk...
- Look up
chalk or
Chalk in Wiktionary, the free dictionary.
Chalk is a type of
sedimentary rock,
composed predominantly of
calcium carbonate.
Chalk may also...
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chalk number, "You are in
chalk five but your gear will be
shipped in
chalk two." In the Army 75th
Ranger Regiment they use the term
chalk. A
chalk can...
- The
Chalk Marl is a
geologic formation in England.
Consisting of
mixed and
layered chalk and marl, it
preserves fossils dating back to the
Cretaceous period...
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Chalk carving is the
practice and
shaping of
chalk via
carving . This
article covers some methods,
types of
chalk,
tools used and the
benefits (and ramifications)...
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Chalk River (2016 po****tion: 1029) is a
small rural village, part of the
Laurentian Hills muni****lity in
Renfrew County, Ontario, Canada. It is located...
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chalk, or sharkchalk,
refers to
several different kinds of
liquified chalk including liquid-
chalk marking pens (with water-soluble ink), liquid-
chalk...
- The
Chalk Emerald is a 37.82
carats (7.564 g)
rectangular step-cut emerald,
mined in Muzo, Colombia. It was one of many
Colombian emeralds shipped to...