The early earth / editor, D.R. Nelson. Earth's formation and first billion years / D.R. Nelson. The early Precambrian stratigraphic record of large extraterrestrial impacts / B.M. Simonson, G.R.

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 almost ...

The Precambrian eon is vast, almost unimaginably so. In fact, before some fossil discoveries were made late in the 20th century, it was considered unknowable -- evolution's dark ages. The Precambrian ...

Paleontologists now know that the Precambrian actually did swarm with living creatures, and it was swarming more than 3.85 billion years ago. The earliest evidence of life comes from the southwestern ...

The casual observer generally rejects the possibility of hydrocarbons occurring in the Precambrian basement rocks of Ohio and surrounding region. However, it appears that a major paradigm shift must ...

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Researchers led by Nagoya University discover penetrative trace fossils from the late Ediacaran of western Mongolia, revealing earlier onset of the "agronomic revolution" Nagoya, Japan -- In the ...

Several thousand wells in Kansas have been drilled into the Precambrian basement, which usually signals the depth limit of drilling for oil and gas prospecting. Most of these wells have penetrated ...