During Pleistocene times all these lacustrine basins were occupied by lakes of much greater depth and larger size.

The canyon was formed relatively recently in Pleistocene time by the rapid cutting of the Colorado down through layers of sedimentary rock.

With the beginning of the Pleistocene time (about one million years ago), cooling temperatures provided conditions favorable for the creation of continental glaciers.

Tupungato, one of the highest mountains in South America, is a massive stratovolcano dating to Pleistocene times.

They are volcanic in origin, the peaks of volcanoes which were formerly active in Pleistocene times.

He who had a stone axe was more likely to win a vigorous difference of opinion in Pleistocene times.

It was active in the late Pliocene and early Pleistocene times.

Fossils from the Pleistocene time show that they once lived in Europe.

During Pleistocene time, this region of Ohio was under the massive ice shelf that formed in Canada.

The town is located above the Uribante River on a river terrace which was formed in Pleistocene times.