Geologists have long known that when peridotite is exposed to the air it can react quickly with carbon dioxide to form carbonates like limestoneor marble.
Florida lies on bedrock made of limestoneor other carbonate rock that can be eaten away by acidic groundwater, forming voids that collapse when the rock can no longer support the weight of what's above it.
The state lies on bedrock made of limestoneor other carbonate rock that can be eaten away by acidic groundwater, forming voids that collapse when the rock can no longer support the weight of what's above it.
He said the variation was due to the type of limestone the fossils were excavated from, which can reduce the level of detail - or resolution - of the specimens.