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The meaning of unconformities

The remarkable landscape around Provadia, Bulgaria

Not enough rocks: the sedimentary record and deep time

Do rivers erode through mountains?

The ‘Great Unconformity’ and associated geochemical evidence for Noahic Flood erosion

The Grand Canyon in the thralls of shallow, doctrinaire uniformitarianism

Changing paradigms in stratigraphy—“a quite different way of analyzing the record”

Did a lake exist under the north-western Laurentide Ice Sheet?

Coastal great escarpments caused by Flood runoff

The Appalachian Mountains are young

Massive erosion on California’s Oroville Dam

The age of the Jenolan Caves, Australia