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Dense Earth Crust Was Recycled Into The Mantle During Archean Eon
2013-12-31 07:31:36

The temperature of the Earth’s mantle during the Archean eon some four billion years ago was significantly higher than it is today, causing the crust to become unstable and drip back down into the mantle, according to research published this month in Nature Geoscience.

New Insights Into The Strength Of Continents
2012-08-21 11:11:47

Over the last 50 million years, the Caribbean islands have been pushed east, driven by the movement of the Earth's viscous mantel against the more rooted South American continent.

2012-03-12 21:04:59

The earth's structure can be compared to an orange: its crust is the peel supported by the earth's heavy mantle.

2012-01-23 14:03:33

Kimberlites are magmatic rocks that form deep in the Earth’s interior and are brought to the surface by volcanic eruptions.

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2011-07-22 12:04:00

Ancient minerals tell story of planet's distant past.

2011-07-22 01:24:22

Jewelers abhor diamond impurities, but they are a bonanza for scientists.

2011-05-18 16:07:56

Carbon found within ancient rocks has played a crucial role developing a time line for the emergence of biological life on the planet billions of years ago.

2011-04-04 17:00:51

Geologists have long-debated about when plate tectonics started on the planet.

2010-09-01 13:56:00

HOUSTON, Sept. 1 /PRNewswire-USNewswire/ -- Why do we still find rocks from the Archean, one of the earliest geological eons on Earth dating from about 3.8 to 2.5 billion years ago? This is an apt question as our planet is one of the most dynamic in the solar system.

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2010-08-26 07:57:40

New seismic technique detects boundary between old and new lithosphere.


Word of the Day
plim
  • To swell, as grain or wood with water.
The word 'plim' is probably a variant of the word 'plum'.
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