Sentences with phrase «old lake beds»

Coring old lake beds and examining the types of pollen trapped in sediment layers led to the discovery of the Younger Dryas early in the twentieth century.
The flat plates of rock that Osmanagich and a number of his experts — including an Egyptian geologist — claim were handmade at least 12,000 years ago are actually the natural remains of a 7 - million - year - old lake bed, the dissenting geologists say.

Not exact matches

This summer, environmental questions will be heard surrounding the construction of a new amphitheater on the old Solvay waste beds along Onondaga Lake.
Honeywell is already looking at ways to clean up the old waste beds on that part of the lake shore.
To that end, with the permission of the National Museums of Kenya, she gave them a fragment of a 4 - million - year - old fossil from a buffalo - like animal recovered in the excavation of a bone bed at Allia Bay, on the east side of Lake Turkana.
Diatomaceous earth is mined from underwater beds or from ancient dried lake bottoms thousands of years old.
The Park offers excellent biking and hiking trails which wind through spectacular natural landscapes, such as the Olympic Discovery Trail and the Spruce Railroad, which hugs the north shore of Lake Crescent along an old railroad bed.
The U.S. Geological Survey took old lake - bed cores out of storage and re-examined them.
a b c d e f g h i j k l m n o p q r s t u v w x y z