It is unresolved when eolian processes began to significantly affect global mean sand
composition and texture through abrasion and enhanced sorting. Reports of Proterozoic …

Recognizing the deposits of linear megadunes in ancient aeolian successions is
challenging when the original bedform topography is not preserved. The present study …

Basal Ediacaran barite, which has mass-anomalous depleted 17 O, supporting Snowball
Earth models, likely grew in shallow-marine settings, but sedimentological constraints lack …

The sedimentary rock records indicate widespread low-latitude glaciations both near the
beginning and end of the Proterozoic eon. However, a major part of the Proterozoic was …

Fine-grained strata deposited on the Eastern Siberian craton are predominantly considered
to mainly consist of Neoproterozoic sandstones. Clastic rocks near the unconformity border …