these ancient rocks contain the tiny fossilized remains of protists and bacteria, and when University of Wisconsin-Madison geologist Stanley Tyler discovered the first microfossils in Precambrian ...

What Was Happening on Earth at This Time The Precambrian is the earliest of the geologic ages, which are marked by different layers of sedimentary rock. Laid down over millions of years ...

Paleontologists now know that the Precambrian actually did swarm with ... This makes it possible to tell if the carbon in a rock had ever been inside a living thing. Consider, for instance ...

Unusual structures of unknown origin discovered in desert rocks have been documented in a new study. In the desert regions of ...

For example, the widespread Precambrian rocks and complexity of local structural geology provide an ideal setting for petrologic and structural students. Extensive Rocky Mountain basins are the focus ...

Fun Fact: The Laurentian Mountains consist of Precambrian rocks over 540 million years old, making its soft peaks among the oldest in the world.

More extensive Precambrian finds, particularly those discovered in Australia's Ediacara Gorge in rocks 565 million years old, include fossil imprints of creatures that resemble everything from ...

I am particularly interested in applying my work to Precambrian chemical sediments ... and finally to apply what I have learned to the rock record to decipher something new about an ancient surface ...

His research focuses on the geological reconstruction of Precambrian terranes. "We look at the structure of the rocks to find out how continents came together to form the supercontinent Gondwana ...

Water-flux melting by mantle fluids played a key role in forming the sodic felsic crust that built Precambrian rocks in the Georgetown Inlier-Australia, according to geochronology and oxygen ...