Tag Archives: limestone

Easy Science: How sinkholes form

Sinkholes can form anywhere that the bedrock dissolves away beneath the soil, but classic sinkholes tend to form in limestone, a carbonate rock composed primarily of the minerals calcite (CaCO3), aragonite (CaCO3), and dolomite (CaMg[CO3]2). Worldwide, limestones cover about 15% of land surface. Twenty percent of the US is susceptible to sinkholes. Read more

Structure and formation of recent limestone (Miami & Key Largo) of Southern Florida

This post provides a brief overview of the formation and characteristics of recent limestone deposits in Southern Florida, the Miami Limestone and Key Largo Limestone. Most of this material was collected as part of a presentation for EOS 404S: Geology of Tropical Marine Environments in Spring 2013, but has been expanded and re-formatted here. Read more