How Are Concretions Formed - Web do dead animals or plants play a role in the formation of concretions, or do concretions simply preserve fossils better as the. Web concretions are compact, often rounded, accumulations of mineral matter that form inside sedimentary rocks such as shale.
Web concretions are compact, often rounded, accumulations of mineral matter that form inside sedimentary rocks such as shale. Web do dead animals or plants play a role in the formation of concretions, or do concretions simply preserve fossils better as the.