Block, SkipCaptcha, nsAm_Govt_101RO, nsAm_Govt_101RW, nsAm_Govt_101_ta, nsTeam2RO, nsTeam2RW, nsTeam2_talkRO, nsTeam2_talkRW
5,655
edits
Changes
Jump to navigation
Jump to search
Biological Sedimentary Rock (view source)
Revision as of 17:32, October 1, 2007
, 17:32, October 1, 2007New 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...
[[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/>
[[Category:Geology]]
==References==
<references/>
[[Category:Geology]]