Paleontologists now know that the Precambrian actually did swarm with ... to the ocean and becomes sedimentary rock. And even those rocks, made partly from carbon that has cycled through life's ...

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 ...

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 ...

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

Precambrian time covers the vast bulk of the Earth's history, starting with the planet's creation about 4.5 billion years ago and ending with the emergence of complex, multicelled life-forms ...

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 ...

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 a chemical sedimentologist: I study how and why chemical sediments form and lithify, with the goal of better understanding how chemical sedimentary rocks (e.g., carbonates ... interested in ...

Geology is about much more than rocks. It is about the study of the ... 2 and Nuna (Columbia), as well as the geology of the Precambrian era. Earth scientists in the department also closely ...