Sandstone layers typically have a medium-gray color. On newly
it can have from white to tan or reddish brown. This stone can produce sand bars along
creek channels and sandy soils of different bottomlands.
Limestoneusually is found as a white to yellowish or grey. Some
can have specks of black within it
if the rock has a great amount of hydrocarbons. This type of rock is found throughout the world
It is often used as a type of cement, for building some buildings, or even for blackboard chalk.
Shale is a type of sedimentary rock that is a shade of grey and splits
into thin plates quite easily. This type
of rock is also found worldwide. Its use is a source of fossils. Clay, quartz and mica can be found
within this sedimentary rock.
This type of sedimentary rock has very unique features. The different
or shingle can often be seen very distinctly. It sometimes will look like rocky concrete. Its color
depends on the type of rocks that joined together. This kind of rock is often used as types of ornaments
when the rock is cut and polished.
Coal is a dark, hard rock. When burned, it creates a bright-yellow
flame. It contains a metallic
look. This rock is mostly found in the US, southern Russia, Ukraine, UK, China, and Africa. It is
mainly used for domestic and industrial fuel.
This rock is similar to the comglomerate because it is made up
of different rock fragments, mostly fine sand or silt. Again,
the color depends on the rocks found within it. It is found throughout the world, as well, and used
for ornamental objects when the rock is tightly compacted.
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