<p>A second question inspired from <a href="http://www.bbc.com/earth/story/20150323-how-long-will-life-on-earth-last" rel="nofollow">How Long Will Life Last On Earth</a>, The Manicouagan crater in Canada is one of the largest impact crater on Earth.  It was created 215 million years ago, but its formation did not trigger a mass extinction event. It is claimed that this is because the impact occurred in crystalline rock. It is also claimed that had the event occurred in sedimentary rock clouds of climate-changing gases could have been released into the atmosphere, which could have triggered a mass extinction.</p>

<p>What different gases could be produced by a significant asteroid impact in crystalline and sedimentary rocks?</p>

<atmosphere><rocks><gas>
The differences in gases produced by asteroids impacting crystalline and sedimentary rocks
Fred
# The differences in gases produced by asteroids impacting crystalline and sedimentary rocks

(Asked by: username_0 on 2015-03-24)

A second question inspired from [How Long Will Life Last On Earth](http://www.bbc.com/earth/story/20150323-how-long-will-life-on-earth-last), The Manicouagan crater in Canada is one of the largest impact crater on Earth. It was created 215 million years ago, but its formation did not trigger a mass extinction event. It is claimed that this is because the impact occurred in crystalline rock. It is also claimed that had the event occurred in sedimentary rock clouds of climate-changing gases could have been released into the atmosphere, which could have triggered a mass extinction.

What different gases could be produced by a significant asteroid impact in crystalline and sedimentary rocks?

**Tags:** atmosphere, rocks, gas


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## 0 answers

