Coated Grains

pp 308-329

Environmental Significance of Freshwater Oncoids, Eocene Guarga Formation, Southern Pyrenees, Spain

  • Enno NickelAffiliated withInstitute of Earth Science, Comparative Sedimentology Division, State University of Utrecht

* Final gross prices may vary according to local VAT.

Get Access


An oncolite (sic) is a stromatolite with centrifugal growth vectors, and encapsulating laminae formed around an intermittently mobile nucleus (Hofmann 1969).