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A continent buried under lava?
Photo Credit: LAKRUWAN WANNIARACHCHI, Getty Images

A continent buried under lava?

Feb 24 2013, 10:08pm CST | by

Berlin, Feb 25 (IANS) Well-known tourist destinations, the Indian Ocean islands of Reunion and Mauritius, actually hide a micro-continent, say a team of researchers.

Berlin, Feb 25 — Well-known tourist destinations, the Indian Ocean islands of Reunion and Mauritius, actually hide a micro-continent, say a team of researchers. The continent fragment known as...

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1 year ago

A continent buried under lava?

Feb 24 2013, 10:08pm CST | by

Berlin, Feb 25 (IANS) Well-known tourist destinations, the Indian Ocean islands of Reunion and Mauritius, actually hide a micro-continent, say a team of researchers.

Berlin, Feb 25 — Well-known tourist destinations, the Indian Ocean islands of Reunion and Mauritius, actually hide a micro-continent, say a team of researchers.

The continent fragment known as Mauritia detached about 60 million years ago while Madagascar and India drifted apart, and has been hidden under huge masses of lava, the researchers say.

A group of geoscientists from Norway, South Africa, Britain and Germany have suggested the existence of further fragments, based on the study of lava sand grains from the beach of Mauritius, the journal Nature Geoscience reports.

Bernhard Steinberger of the GFZ German Research Centre for Geosciences and Pavel Doubrovine of Oslo University calculated the hotspot trail: "On the one hand, it shows the position of the plates relative to the two hotspots at the time of the rupture, which points towards a causal relation."

"On the other hand, we were able to show that the continent fragments continued to wander almost exactly over the Reunion plume, which explains how they were covered by volcanic rock," adds Steinberger, according to a statement of the German Research Centre.

Such micro-continents in the oceans seem to occur more frequently than previously thought. The break-up of continents is often associated with mantle plumes -- these giant bubbles of hot rock rise from the deep mantle and soften the tectonic plates from below, until the plates break apart.

This is how Eastern Gondwana broke apart about 170 million years ago. At first, one part was separated, which in turn fragmented into Madagascar, India, Australia and Antarctica, which then migrated to their present position.

Plumes currently situated underneath the islands Marion and Reunion appear to have played a role in the emergence of the Indian Ocean.

IANS

Source: IANS

 
Update
11

4 days ago

Hunt for Malaysia Airlines Flight MH370 could take MONTHS

Oct 23 2014 6:00pm CDT | Source: Daily Express

THE HUNT for missing Malaysia Airlines Flight 370 in a remote patch of the Indian Ocean is progressing well but will likely take many months because of the huge area inv ...
Source: Daily Express   Full article at: Daily Express
 

 
Update
10

4 days ago

Hunt for Malaysia Airlines Flight MH370 could take MONTHS, warns Australian official

Oct 23 2014 6:00pm CDT | Source: Daily Express

THE HUNT for missing Malaysia Airlines Flight 370 in a remote patch of the Indian Ocean is progressing well but will likely take many months because of the huge area involved, an Australian official ...
Source: Daily Express   Full article at: Daily Express
 

 
Update
9

6 days ago

'We WILL find MH370' New vow as second ship joins hunt for missing Malaysia Airlines plane

Oct 22 2014 4:57am CDT | Source: Daily Express

A SECOND ship is to join the hunt for missing Malaysia Airlines Flight 370 in a remote area of the Indian Ocean, search teams have revealed ...
Source: Daily Express   Full article at: Daily Express
 

 
Update
8

2 weeks ago

Madagascar’s former leader detained after return, say media reports

Oct 13 2014 9:29am CDT | Source: Business Day

Madagascar media reports exiled former leader Marc Ravalomanana is detained after returning to Indian Ocean island for first time since he was deposed i ...
Source: Business Day   Full article at: Business Day
 

 
Update
7

2 weeks ago

MH370 might not be in the Indian Ocean, experts say

Oct 11 2014 4:12pm CDT | Source: Daily Express

THE head of a major airline believes missing flight MH370 may not have crashed in ...
Source: Daily Express   Full article at: Daily Express
 

 
Update
5

2 weeks ago

Did MH370 spiral out of control? Theory revealed as teams admit search zone could be WRONG

Oct 9 2014 8:29am CDT | Source: Daily Express

TEAMS searching for lost Malaysia Airlines flight MH370 believe the plane could have spiralled out of control into the southern Indian Ocean – and they could be searching in the WRO ...
Source: Daily Express   Full article at: Daily Express
 

 
Update
4

2 weeks ago

With huge search area mapped, MH370 hunt resuming

Oct 9 2014 8:00am CDT | Source: Wicked Local - Eastham

After a four-month hiatus, the hunt for Malaysia Airlines Flight 370 is about to resume in a desolate stretch of the Indian Ocean, with searchers lowering new equipment deep beneath the waves in a bid to finally solve one of the world ...
Source: Wicked Local - Eastham   Full article at: Wicked Local - Eastham
 

 
Update
3

2 weeks ago

With huge search area mapped, MH370 hunt resuming

Oct 9 2014 8:00am CDT | Source: Wicked Local - Falmouth

After a four-month hiatus, the hunt for Malaysia Airlines Flight 370 is about to resume in a desolate stretch of the Indian Ocean, with searchers lowering new equipment deep beneath the waves in a bid to finally solve one of the world's ...
Source: Wicked Local - Falmouth   Full article at: Wicked Local - Falmouth
 

 
Update
2

2 weeks ago

With huge search area mapped, MH370 hunt resuming

Oct 9 2014 8:00am CDT | Source: Wicked Local - Falmouth

After a four-month hiatus, the hunt for Malaysia Airlines Flight 370 is about to resume in a desolate stretch of the Indian Ocean, with searchers lowering new equipment deep beneath the waves in a bid to finally solve one of t ...
Source: Wicked Local - Falmouth   Full article at: Wicked Local - Falmouth
 

 
Update
1

2 weeks ago

First official report on MH370 says flight spiraled into sea after fuel ran out

Oct 9 2014 2:05am CDT | Source: Business Standard

An official report mapping the final hours of missing Malaysia Airlines flight MH370 has revealed that the plane went into a shallow left turn at 35,000 feet above the Indian Ocean before rapidly spiraling down into the se ...
Source: Business Standard   Full article at: Business Standard
 

 

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<a href="/latest_stories/all/all/8" rel="author">Luigi Lugmayr</a>
Luigi is the founding Chief Editor of I4U News and brings over 15 years experience in the technology field to the ever evolving and exciting world of gadgets. He started I4U News back in 2000 and evolved it into vibrant technology magazine.
Luigi can be contacted directly at ml@i4u.com. Luigi posts regularly on LuigiMe.com about his experience running I4U.

 

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