1925 7 216 I have not been able to disenter this sandstone in the Braganza region, a fact consequently implying a facies change.
2001 M. D. Brasier & J. F. Lindsay in A. Yu. Zhuravlev & R. Riding iv. 82 This ‘Tommotian explosion’ can..be regarded as an artefact brought about by missing time followed by abrupt facies changes.