https://youtu.be/nw2xA41RmcA I've done some videos about the real-life geology behind popular attractions at the Disney Parks, but Walt Disney World has some very interesting geology underfoot that may just give you a sinking feeling—sinkholes. The state of Florida is a bit like a slice of Swiss cheese, given the number of sinkholes it has. All… Continue reading Could a Sinkhole Swallow Walt Disney World?
Imagine that there’s a faucet that’s slowly dripping. If the faucet is left to drip long enough, you’ll notice that it will leave behind deposits from the dissolved minerals in the water. Now, imagine if you left your faucet dripping long enough to create a mineral deposit that was a meter-plus tall. This process is the… Continue reading Speleothems
Limestone with ooids and shells, viewed through a hand lens