Sometimes sedimentary rocks are disturbed by events, such as fault movements, that cut across layers after the rocks were deposited. This is the principle of cross-cutting relationships .

Scientists called geochronologists are experts in dating rocks and fossils, and can often date fossils younger than around 50,000 years old using radiocarbon dating.

A belt of volcanic rock along the eastern shore of Hudson Bay in Canada’s Quebec province has been confirmed as the oldest ...

First rock dating experiment performed on Mars Date: December 12, 2013 ... and colleagues examined the physical characteristics of the rock layers in and near Yellowknife Bay.

Although researchers have determined the ages of rocks from other planetary bodies, the actual experiments -- like analyzing meteorites and moon rocks -- have always been done on Earth. Now, for ...

A groundbreaking discovery in northern Quebec has confirmed the existence of Earth's oldest known rocks, dating back 4.16 ...

A new scientific dating technique used on a mineral layer coating Kimberley rock art shelters shows the rock carvings may be up to 43,000 years old — among the oldest in the world.

A Scottish and Irish rock formation dating back hundreds of millions of years could be evidence of what scientists call snowball Earth, a new study says.

Sometimes sedimentary rocks are disturbed by events, such as fault movements, that cut across layers after the rocks were deposited. This is the principle of cross-cutting relationships .