They would not thus form a layer of flint keeping more or less to the same level in the chalk. At the periphery, where they entered the area, they would be lower in the chalk, and gradually rise.

Publishing once gave us a well-regarded history of the pencil (Henry Petroski, 1990). There has been a good book devoted to ...

The blackest flint nodules I have seen occur in a chalk-pit near Faversham, but the apparently black silica becomes white when powdered, showing it to be merely an optical effect.

AT one part of Caterham Valley, Surrey, there is an example of an abundance of red flints similar to that mentioned by W. Fream (NATURE, vol. xxv. p. 437). The colour is, doubtless, due to the ...

FLINT, MI--Next weekend, children will get to draw on the sidewalk for a chance at a Flint Institute of Arts scholarship. In Flint Public Library's Chalk The Walk, kids up to age 17 are invited to ...

FLINT, MI--Rainy weather didn't stop area children from using chalk to have fun and compete for art scholarships on Saturday afternoon. For the fifth year, Flint Public Library hosted its Chalk ...