Fig. 2
Annual rock layerings, or varves, occur as the rate of sedimentation changes from season to season. Source: Wikicommons; photograph by Benutzer Grabenstedt
Fig. 2 | Evolution: Education and Outreach
Annual rock layerings, or varves, occur as the rate of sedimentation changes from season to season. Source: Wikicommons; photograph by Benutzer Grabenstedt