Introduction

Between these major glaciations, interglacial sediments were deposited, and in the central Flinders zone these are commonly shallow water facies such as stromatolitic limestones and localized biogenic reef mounds, as a shallow shelf persisted here for much of this interval.

Figure 1. Enorama Diapir

Enorama Diapir

Geological map of the area surrounding the Enorama Diapir, illustrating a near complete section of the Umberatana Group, and locations of the biogenic mounds and fringing reefs blanketed by the Enorama Shale on the western side of the diapir (from Lemon, 2000).