Within the last 500,000-one million years, flood waters dissolved along fractures in the limestone bedrock to create most of the cave.

The tomb is carved from the solid limestone bedrock.

Cedar glades occur where limestone bedrock occurs near or at the surface.

Much more rarely the same process can be seen in limestone bedrock.

This eventually hardened into the limestone bedrock, which can be seen in the caverns today.

In the course of the exploration, the team discovered a number of holes cut into the Oolitic limestone bedrock.

Four chultunob were found cut into the limestone bedrock of the plazas at the site.

There is a wide flood plain where the river has cut through limestone bedrock now exposed as white cliffs.

The soil is quite thin over limestone bedrock.

At depths of five feet, there was limestone bedrock of what had been river channels.