More than 25 years ago, as an anxious freshman at a small, private, liberal-arts college in the Midwest, I sat stoically in front of a midterm exam in introductory geology. The course had been ...
The most common process by which limestone caves form involves carbonic acid — or weakly acidic groundwater — as the primary agent. When carbonic acid contacts limestone, it dissolves minerals in the ...
The flooding, brought on by 35 inches of rain in eight days, sent a wall of water more than seven feet tall over the 1,250-foot wide spillway and into a narrow valley behind Canyon Dam. The ...
Tower Rock, a limestone formation in the middle of the Mississippi River, is newly accessible by foot. The destination is now popular with tourists, the Missouri Department of Conservation said. The ...
The origin story of Hells Canyon, North America's deepest river gorge, has long been unclear to scientists. But new research estimates it formed about 2.1 million years ago when a dramatic flood event ...
If you've ever wondered how Ithaca became gorges, Josh Teeter seems to be the person to satisfy any curiosity. He has a well-versed, articulate explanation of the 380-million-year history, give or ...
At first glance, Wyoming's Kane Cave exhibits few characteristics of the world's most picturesque caves — it lacks mineral deposits, including stalactites and stalagmites, which decorate most cave ...
South West China, Myanmar and Northern Vietnam contain one of the oldest exposed outcrops of limestone in the world. Within this area are thousands of caves and gorges. It is only recently that ...
RED RIVER GORGE, Ky. (LEX 18) — It’s easy to enjoy almost everything about the Daniel Boone National Forest from ground level. But to really understand its history and majesty, you should really ...
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