BlogArena

General blog about anything and everything of everyday's life.

21. Sep 2019

January 21, 2018
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When water met iron deep inside the Earth, it might have created conditions for life

Washington, DC— Reservoirs of oxygen-rich iron between the Earth’s core and mantle could have played a major role in Earth’s history, including the breakup of supercontinents, drastic changes in Earth’s atmospheric makeup, and the creation of life, according to recent … Continue reading

March 24, 2014
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New study reveals insights on plate tectonics, the forces behind earthquakes, volcanoes

The Earth’s outer layer is made up of a series of moving, interacting plates whose motion at the surface generates earthquakes, creates volcanoes and builds mountains. Geoscientists have long sought to understand the plates’ fundamental properties and the mechanisms that … Continue reading

December 12, 2013
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Ancient crater may be clue to Moon’s mantle

A massive impact on the Moon about 4 billion years ago left a 2,500-mile crater, among the largest known craters in the solar system. Smaller subsequent impacts left craters within that crater. Comparing the spectra of light reflected from the peaks of … Continue reading

August 20, 2013
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Newly discovered ocean plume could be major source of iron

Study reveals micronutrient riches rising from the Southern Mid-Atlantic Ridge Scientists have discovered a vast plume of iron and other micronutrients more than 1,000 km long billowing from hydrothermal vents in the South Atlantic Ocean. The finding, soon to be … Continue reading

July 14, 2013
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Noble gases hitch a ride on hydrous minerals

The six noble gases do not normally dissolve into minerals, leaving earth scientists to wonder how they are subducted back into the Earth. Researchers at Brown have discovered that the lattice structure of minerals such as amphibole provides a way. … Continue reading

March 25, 2013
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Lunar impacts created seas of molten rock

A new analysis of data from NASA’s Lunar Orbiter Laser Altimeter (LOLA) shows that molten rock may have been present on the Moon more recently and for longer periods than previously thought. Differentiation — a settling out of rock layers … Continue reading

February 25, 2013
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Researchers Propose New Way to Probe Earth’s Deep Interior

AUSTIN, Texas — Researchers from Amherst College and The University of Texas at Austin have described a new technique that might one day reveal in higher detail than ever before the composition and characteristics of the deep Earth. There’s just … Continue reading

January 10, 2013
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Magma in Earth’s Mantle Forms Deeper Than Once Thought

Study simulating pressures in mantle beneath the ocean floor shows that rocks can melt at depths up to 250 kilometers Magma forms far deeper than geologists previously thought, according to new research results. A team led by geologist Rajdeep Dasgupta … Continue reading