Congratulations! You've decided on crushed stone for your garden pathways. But the pros and cons of limestone versus gravel ...

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 notoriously large carbon footprint of cement production is a prime target for researchers looking to chip away at the problem of climate change, and we've seen how this could involve all kinds of ...

The Quarry Trail (Q1, Q2) takes visitors through the bottom of the abandoned quarry. The rock walls surrounding the quarry bottom are composed of limestone. Limestone consists mainly of calcium ...

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 ...

Researchers have discovered a brownish piece of split limestone in a site in Croatia that suggests Neanderthals 130,000 years ago collected the rock that stands out among all other items in the cave.

TANNER - Rogers Group, owner of a rock quarry in Tanner recently banned by new state laws, has filed a motion in federal court asking that it be allowed to keep operating. Dan Rose, Rogers Group's ...