Precambrian time covers the vast bulk of the Earth's history, starting with the planet's creation about 4.5 billion years ago ...
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.
The Precambrian is the least-understood part of Earth history, yet it is arguably the most important. Precambrian time spans almost nine-tenths of Earth history, from the formation of the Earth to the ...
The Garden of the Ediacaran was a period in the ancient past when Earth's shallow seas were populated with a bewildering variety of enigmatic, soft-bodied creatures. Scientists have pictured it as a ...
In the history of life on Earth, a dramatic and revolutionary change in the nature of the sea floor occurred in the early Cambrian (541–485 million years ago): the agronomic revolution. This ...
A fascinating fossil discovery in remote South Australia sheds light on an important chapter in the history of life on Earth: the origins of Ecdysozoa, a vast superphylum that includes molting animals ...
The Precambrian Geology layer depicts all Precambrian rocks in the United States, inclusive of map units with minimum ages younger than Precambrian, such as the “Paleozoic to Precambrian” units shown ...
Discover the latest articles and news in related subjects. Carbonate is initially precipitated in the ocean as metastable calcite and/or aragonite, and is subsequently transformed into stable ...
Since the original release of the Ohio seismic reflection profile by the Consortium for Continental Reflection Profiling (COCORP) in 1988, several interpretations have been presented for the structure ...