A sample of ancient oxygen, teased out of a 1.4 billion-year-old evaporative lake deposit in Ontario, provides fresh evidence of what the Earth's atmosphere and biosphere were like during the interval leading up to the emergence ...
Earth Sciences
Jul 18, 2018
0
90
A dinosaur tooth found in Malaysia is at least 140 million years old and belongs to a new species within the "bird-hipped" Ornithischian order, researchers said Thursday.
Archaeology
Nov 13, 2014
0
0
A new study examines how Earth's oldest iron formations could have been formed before oxygenic photosynthesis played a role in oxidizing iron.
Earth Sciences
Nov 7, 2014
4
0
Researchers are providing new information about the 'diet' of microorganisms on the early Earth. By studying 3.45-billion-year-old rocks, the team uncovered clues about ancient microbial metabolism.
Earth Sciences
Nov 21, 2012
3
0
(Phys.org) —A tool to precisely pinpoint where petroleum and gas reserves have accumulated has been created by an international team of scientists, including a geologist from the University of California, Davis.
Environment
Sep 6, 2013
1
0
A superplume, or massive episode of volcanic eruptions that related to extensive melting of the Earth's mantle, could explain the puzzling reappearance of major iron formations long after the rise in atmospheric oxygen about ...
Earth Sciences
Apr 27, 2012
0
0
Iron ore is a big deal in Australia.
Earth Sciences
Mar 18, 2024
0
14
In the absence of long-term instrumental data, fragile rock formations, called hoodoos, may be key to understanding seismic hazard risk. In this study, researchers consider two hoodoos in Red Rock Canyon region to put limits ...
Earth Sciences
Feb 4, 2013
0
0
