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 ...

IPOH: Hidden within a former tin mining pond in Malim Nawar near Kampar is a rare geological feature, towering limestone ...

IPOH: It may have taken millions of years to form, but a limestone formation located on private land here is now being partially cleared to make way for a house. Limestone hill conservation group ...

A unique, naturally formed, amphitheater-like formation of limestone is among the highlights of a forested 20-acre property on Washington Island recently acquired by the Door County Land Trust. The ...

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 ...

Geologists compared the spatial and temporal distribution of methane concentrations in the air of northern Siberia with geological maps. The result: the methane concentrations in the air after last ...