Sauropod footprints in thinly-layered sediments responsible for ‘onion-ring’ effect in broken or weathered specimens.
figure
posted on 2013-02-20, 04:45 authored by Tony ThulbornA, example broken obliquely, showing extent of laminations enclosing the entire footprint. B, example broken horizontally, revealing typical ‘onion-ring’ pattern of laminations surrounding the footprint.
