Drilling ancient African lakes sheds light on human evolution
How was human evolution and migration influenced by past changes in climate?
Earth Sciences
Feb 26, 2015
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Page 2 - News tagged with sedimentary record
Life's history in iron
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
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New test adds to scientists' understanding of Earth's history, resources
(Phys.org)—A new study co-authored by a University of Florida researcher provides the first direct chronological test of sequence stratigraphy, a powerful tool for exploring Earth's natural resources.
Earth Sciences
Dec 5, 2012
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After long-ago mass extinction, global warming hindered species' recovery
Researchers have discovered why plants and animals had a hard time recovering from the largest mass extinction in Earth's history 250 million years ago.
Earth Sciences
Nov 5, 2012
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Arctic climate under greenhouse conditions in the Late Cretaceous
New evidence for ice-free summers with intermittent winter sea ice in the Arctic Ocean during the Late Cretaceous - a period of greenhouse conditions - gives a glimpse of how the Arctic is likely to respond to future global ...
Earth Sciences
Jul 9, 2009
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Uncovering earthquake evidence in Azerbaijan's greater Caucasus mountains
The Greater Caucasus mountain range stretches between the Black and Caspian Seas across parts of Russia, Georgia, and Azerbaijan. These formidable peaks are the result of the subduction of the Arabian plate beneath the Eurasian ...
Earth Sciences
Mar 27, 2024
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What happened to Helike?
There is little to see today of Helike, just a few walls and artefacts scraped clean by archaeologists.
Archaeology
Jun 6, 2019
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Rock-solid archives record variations in the Earth's orbit
The shape of Earth's orbit around the sun and the orientation of its axis undergo regular variations over periods of thousands to millions of years. These variations—known as Milankovitch cycles after the Serbian geophysicist ...
Earth Sciences
May 31, 2019
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Preparing for the next megathrust: Scientists apply new methods to better understand Pacific coast earthquakes
Understanding the size and frequency of large earthquakes along the Pacific coast of North America is of great importance, not just to scientists, but also to government planners and the general public. The only way to predict ...
Earth Sciences
Jun 12, 2013
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Ocean floor sediments explain arid U.S. Southwest
(Phys.org)—Surface-dwelling algae adjust their biochemistry to surface temperatures. As they die and sink to the bottom, they build a sedimentary record of sea-surface temperature across millennia. Brown's work on surface ...
Earth Sciences
Sep 28, 2012
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