A geological assessment of so-called "sinkholes" in Gray Court, SC, found that the ground collapses are not true sinkholes but are caused by weathered granite. That’s according to lead geologist Robby Morrow, who conducted the investigation. A geological survey in August 2025 revealed that these collapses are primarily driven by water erosion and exacerbated by human activity. In early August 2025, the South Carolina Department of Natural Resources Geological Survey investig