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POTENTIAL SIGNS OF LIFE OF LIFE ON EARTH’S MANTLE ROCKS

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THEME:   LIFE STYLE, NATURE, WORLD

By Serge K | February 3, 2016 11:43 pm

To question is how mantle rocks are brought to the sea floor and react with water.

Evidence of life has been discovered in rock samples from shallow mantle of the ocean crust, announced the Bigelow Laboratory for Ocean Sciences.

Scientists Discover Signs Of Life On Earth's Mantle Rocks

Scientists Discover Signs Of Life On Earth’s Mantle Rocks

Researchers said the samples offer records of deep processes that formed the Atlantis Massif.
The team was led by Co-Chief Scientist Dr. Gretchen Früh-Green (ETH Zurich, Switzerland) and included Dr Beth Orcutt from Bigelow Laboratory for Ocean Sciences in the US also hopes to learn more about what happens to carbon during the reactions between the rocks and the seawater – processes that could impact on climate by sequestering carbon.
“The rocks collected on the expedition provide unique records of deep processes that formed the Atlantis Massif. We will also gain valuable insight into how these rocks react with circulating seawater at the seafloor during a process we call serpentinization and its consequences for chemical cycles and life” stated expedition Co-Chief Scientist Gretchen Früh-Green..
During a 47 – day research expedition in the middle of the Atlantic, an international team of scientists have managed to collect an unparalleled amount of rock samples from the shallow mantle of the oceanic crust.
“We will also gain valuable insight into how these rocks react with circulating seawater at the seafloor and its consequences for chemical cycles and life,” said expedition co-chief scientist Gretchen Früh-Green from ETH Zurich, Switzerland, in a statement.
A different team has failed to breach the Earth’s crust and recently caught the attention of the media. But Dr. Beth Orcutt of Bigelow Labs and Dr. Gretchen Fruh-Green of Eidgenossissche Technische Hochschule (ETH) of Switzerland found their success in a different path following a 47-day expedition to the Atlantis Massif. This is a 10-mile wide and 14,000 feet high mass of rock that is found at the very bottom of the Atlantic Ocean. And they believe that the rocksamples they were able to collect shows signs of life.
The International Ocean Discovery Program (IODP) Expedition 357 has been conducted by the European Consortium for Ocean Research Drilling (ECORD). The expedition started on October 26, 2015, from Southampton, UK, and returned on Dec. 11, 2015.
The team of scientists was aboard the Royal Research Vessel James Cook. The science party has been studying during the past two weeks the rock samples at the IODP Bremen Core Repository in Bremen, Germany.

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