Showing posts with label Crater. Show all posts
Showing posts with label Crater. Show all posts

Sunday, November 24, 2019

Hidden Crater in the Catskills


Did you know about the "crater" in the Catskills?

The circular pattern made by the two creeks surrounding Panther Mountain suggest that it might have a different origin from other Catskill peaks. In the early 1970s, a geologist of the New York State Geological Survey at the New York State Museum in Albany wondered if the stream pattern indicated an impact crater buried beneath the surface.

The impact is estimated to have occurred 375 million years ago, during the Devonian period, when much of what is now the Catskills was either river delta or a shallow sea. The crater lies 2,640 feet below the surface, is 6 miles wide, and lies directly under the mountain. The meteorite that struck is believed to have been roughly one-half mile  wide, striking with a force equivalent to 11 trillion tons of TNT. -Wikipedia

Friday, July 5, 2019

Crater - René-Levasseur Island

Did you know?

The Manicouagan Reservoir and René-Levasseur Island are sometimes called the "eye of Quebec".

The geological structure was formed by the impact of a meteorite 214 million years ago. It is the fifth most powerful known impact that Earth has seen! The shock wave and air blast from the impact severely damaged and killed plants and animals out to distances of approximately 350 miles. Some scientists believe that this impact may have been responsible for a mass extinction associated with the loss of roughly 60% of all species.

Google Maps
https://www.google.com/maps/@51.455296,-68.5609973,126744m/data=!3m1!1e3

Manicouagan Impact Crater from Space: by @NASA, 
International Space Station Expedition 59

Manicouagan Impact Structure

The force of the impact exhumed and liquefied rocks down to as deep as 9 kilometers.  The heat released was so intense that it took between 1,600 and 5,000 years before the melted rocks cooled.
http://craterexplorer.ca/manicouagan-impact-structure/