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 ...

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 ...

Estrella Resources says it is on track to unearth a monster 500m tonne limestone resource at its Werumatamata project in Timor Leste after drilling logged large sheets of valuable mineralisation up to ...