Changes

'''Sedimentary rocks''' are composed of small bits of [[rock|rocks]] ([[mud]], [[sand]], [[gravel]]), and sometimes [[plants]] and/or [[animal]]s, that have become '[[cemented]]' together in layers over time.

'''Sedimentary rocks''' are composed of small bits of [[rock]]s ([[mud]], [[sand]], [[gravel]]), and sometimes [[plants]] and/or [[animal]]s, that have become '[[cement]]ed' together in layers over time.

Composed of [[bonded]] [[grains]] of [[eroded]] rocks. Many break in [[plate-like]] fragments.

Composed of [[bonded]] [[grain]]s of [[erosion|eroded]] rocks. Many break in [[plate]]-like fragments.

*[[Shale]]

*[[Shale]]

*[[Coal]]

*[[Coal]]

=Sources=

==Sources==

*Kavanaugh, James. ''Pocket Naturalist - Geology - An Introduction to familiar Rocks, Minerals, Gemstones & Fossils'', Waterford Press: Arizona (2000)

*Kavanaugh, James. ''Pocket Naturalist - Geology - An Introduction to familiar Rocks, Minerals, Gemstones & Fossils'', Waterford Press: Arizona (2000)

[[category:geology]]

[[category:Sedimentary rocks]]