Brent Crater, Algonquin Park, Ontario
Posted by: 
scotian
N 46° 04.010 W 078° 27.496
17T E 696572 N 5104614
The Brent Crater is an impact crater located in Algonquin Provincial Park in Ontario, Canada. It was created about 450 million years ago. There is an observation tower at the coordinates and hiking trails leading down into the crater.
Waymark Code: WM9VR7
Location: Ontario, Canada
Date Posted: 10/02/2010
Views: 24
The Brent Crater: First recognized in 1951 from aerial photographs, the crater is a circular depression about two miles in diameter formed in Precambrian crystalline rocks. Geophysical and diamond drilling investigations show that the crater has a present depth of about 1,400 feet but is partly filled with sedimentary rocks with a thickness of 900 feet. The rocks beneath the crater floor are thoroughly fragmented over a depth of 2,000 feet. Like the similar New Quebec (Chubb) crater, the Brent crater is attributed to the high speed impact of a giant meteorite. It is calculated that the impact released energy equaling 250 megatons of TNT and occurred about 450 million years ago when this area was probably covered by a shallow sea.
Type of Crater: Simple
Crater Diameter: 2 miles
Age of Crater: 450,000,000.00
Crater Web Page: [Web Link]
View from the Coordinates:
It's hard to distinguish the shape of the crater but you can see the lake and the rise of the crater rim from the observation tower.
|
Visit Instructions:
1. An original photograph of your visit must be supplied with your log. Invalid
logs will be deleted.
2. The waymark owner may have specific logging requirements