Quarries in general area hazardous places with falling rocks, limestone dust and quarry trucks, so caution is necessary for fossil hunters.

The worm slowed, but surged forward again as one of the restraints burst in a shower of limestone dust.

Everything is coated with fine limestone dust.

His pointing finger indicated a brown, brittle object covered with limestone dust, which Vandergelt began to remove with a small brush.

Drilling five times into the sediment they found embedded limestone dust.

Using carbon dating the limestone dust was found to be 10055 years old (plus/minus 195 years).

The chamber floor was littered with smaller pieces of rock and coated with limestone dust.

Binders hold the mix together and can include clay, lime, chalk dust and limestone dust.

The early-morning light barely penetrates the darkness and swirling wisps of limestone dust.

Through cascading hazes of limestone dust they R peered about, making sure the quake was really over.