Difference between revisions of "Biological Sedimentary Rock"
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(New page: thumb|300px'''Biologic sedimentary rocks''' form when large numbers of living things die, pile up, and are compressed and cemented to form rock. A...) |
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| − | [[Image:Biological Sedimentary Rock.jpg|thumb|300px]]'''Biologic sedimentary rocks''' form when large numbers of living things die, pile up, and are compressed and cemented to form rock. Accumulated carbon-rich plant material may form coal. Deposits made mostly of animal shells may form limestone, coquina, or chert.<ref>http://wrgis.wr.usgs.gov/docs/parks/rxmin/rock2.html</ref> | + | [[Image:Biological Sedimentary Rock.jpg|thumb|300px]]'''Biologic sedimentary rocks''' form when large numbers of living things die, pile up, and are compressed and cemented to form [[rock]]. Accumulated carbon-rich plant material may form coal. Deposits made mostly of animal shells may form limestone, coquina, or chert.<ref>http://wrgis.wr.usgs.gov/docs/parks/rxmin/rock2.html</ref> |
==References== | ==References== | ||
