Navigation Links
Poisonous Gas Caused Mass Extinction

The largest ever mass extinction on earth may have been triggered by poisonous volcanic gas which erupted in Siberia 250 million years ago // , according to a new research. This must have happened before dinosaurs came into existence, towards the Permian era's end, when over two-thirds of amphibians and reptiles were wiped out.

Possibilities like a deep sea methane release, an asteroid hitting the earth, or a greenhouse effect were contemplated by scientists as reasons for the mass extinction.

According to Discovery News, the eruption was the earth's biggest outpouring as the crust split and torrents of lava were released. They covered vast swaths of land in present-day Siberia and created the Siberian Traps, a large area of igneous rocks around the city of Tura.

New evidence for the volcanic gas hypothesis comes from a unique set of molecules preserved in rocks from the Dolomite mountains in Italy. Dating from the time of the extinction, the molecules are the remains of polysaccharides, large sugar-based structures common in plants and soil. The chemistry of the rocks revealed that although the polysaccharides are remains of marine sediments, they are derived from land, supporting the theory that a massive soil erosion resulting from destruction of land vegetation caused them to end up in the sea.

The excessive supply of soil materials to the oceans provides a direct link between terrestrial and marine ecological crises, suggesting that the ecosystem collapse on land could have contributed to the end-Permian marine extinctions.

The terrestrial ecosystem was the first to suffer. The continent-wide nature of the event implies that it was caused by something in the atmosphere, Sephton said. The soil crisis could have caused a worldwide expanse of uninhabitable low-oxygen conditions in shallow marine waters, a condition similar to the oxygen-depleted waters found today in the Gulf of Mexico's dead zone, said the researchers.

Edited (ANI)
'"/>




Related medicine news :

1. Poisonous Parkinsons molecule discovered
2. Caution: Apricot Seeds May Be Poisonous
3. Hong Kong Citizens Fear over Poisonous Vegetables in Local Markets
4. Investigators Find Poisonous Chemicals In Four More Drugs In China
5. Lakhs of Indians Exposed to High Levels of Poisonous Gases
6. Four of Family Died After Consuming Poisonous Mushrooms
7. Lead With a Poisonous Electron Shield
8. Antibiotics Dangerous for Diarrhoea in Children Caused by E.Coli
9. Albendazole Effective In Reducing Seizures Caused By A Common Parasite
10. Birth Defects Caused By Drugs Used For Epilepsy
11. Alzheimers Disease Caused By Insulin Increase
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:10/16/2018)... ... October 16, 2018 , ... The months of training are over. The race has come and ... feel like they were put through the wringer after the big event. Read on for ... Medicine in Motion on how to treat the body and mind after a long run: ...
(Date:10/13/2018)... ... ... At HEI Health, we believe tomorrow’s healthcare can be made affordable today. HEI Health ... Summit by Marcus Evans. HEI will be hosting an exclusive round table session at ... providers. , Marcus Evans National Healthcare CXO Summit is the premium forum bringing ...
(Date:10/13/2018)... ... ... This World Food Day – Tuesday, October 16 – Rise Against ... 2030 by breaking a GUINNESS WORLD RECORDS title with volunteers around the globe. The ... five international locations together to break the GUINNESS WORLD RECORDS title for the Most ...
(Date:10/11/2018)... ... October 11, 2018 , ... The ... are leading scientists in their fields recognized by DuPont Nutrition & Health for ... relevant to the future of food, nutrition and health. , This year’s medalists ...
(Date:10/11/2018)... ... October 11, 2018 , ... Bizmatics Inc. is ... sizes and specialties. PrognoCIS , their Health IT Software – provides physicians ... Greater Houston Healthconnect (GHH), the region’s health information exchange (HIE), serves 24 counties ...
Breaking Medicine News(10 mins):
(Date:10/13/2018)... ... October 12, 2018 , ... David Young was the inventor ... in the Lockheed F22 Aircraft. Today, he announces the invention of the Two-Dimensional ... lead to sudden cardiac death (SCD). , The Two-Dimensional Arrhythmia Monitor has the ...
(Date:10/13/2018)... ... October 13, 2018 , ... In the world of ... one massive brand after another. 2018 has been a game-changing year for Ion ... played a large role in the growth. Ion Labs attributes its growth to its ...
(Date:10/11/2018)... ... October 11, 2018 , ... ... today that it has completed the strategic combination of RevSpring and Apex ... revenue cycle engagement, billing, and payments solutions generating over one billion consumer ...
Breaking Medicine Technology: