In some places it also overlies the older marine Agrio and Bajada Colorada Formations of the Mendoza Group through the same Middle Miranican unconformity.

It is in turn overlain by the Candeleros Formation of the Neuquén Group, separated by the Main Miranican unconformity.

[1] The Lohan Cura Formation contains two members of roughly equal thickness.

The lowest sediments in this unit are conglomerates, overlain by sandstones and siltstones.

Numerous tetrapod fossils have been recovered from the Cullín Grande Member of the Lohan Cura, including: The rebbachisaurid Rayososaurus comes from the correlating Rayoso Formation in this same area.