The sedimentology and depositional architecture of the 1.2 Ga Stoer Group is analyzed.
Remote sensing aids in the recognition of ancient large-scale fluvial forms.
Previously unrecognized trunk-channel belts point to stable, deep Precambrian rivers.
Channel bodies shared shape and morphodynamics with post-vegetation rivers.
Trunk-channel belts are sided by floodbasins, gravelly piedmonts and aeolian fields