New page: '''Argillaceous''' means rich in clay, and is most often applied to rocks.<ref>http://wrgis.wr.usgs.gov/docs/parks/misc/glossaryAtoC.html</ref> ==References== <references/> [[Category:G...
'''Argillaceous''' means rich in clay, and is most often applied to rocks.<ref>http://wrgis.wr.usgs.gov/docs/parks/misc/glossaryAtoC.html</ref>