description Brent Overview
Brent is a meteorite impact structure in Ontario's Algonquin Park. It is about 3.8 km in diameter and was first identified in 1951 from aerial photographs taken during a Canadian government survey. Geological studies describe it as a heavily eroded or 'fossil' crater cut into Precambrian gneiss and partly filled by younger Ordovician sediments and impact breccia. Because the surface rim is poorly defined, the site is chiefly recognized through its subsurface geology, drilling records, and impact-related rocks, making it a research locality for planetary geologists.
help Brent FAQ
Where is the Brent crater?
The Brent impact structure is in Ontario's Algonquin Park, Canada. It is located in a heavily forested region and is about 3.8 kilometres in diameter.
How was the Brent crater discovered?
Brent was first identified in 1951 from aerial photographs taken during a Canadian government survey. Later geological work confirmed that it is an eroded meteorite impact structure.
How wide is the Brent crater?
The structure is about 3.8 kilometres across. Because it is heavily eroded, the present landscape does not show the sharply defined rim of a young crater.
What does geologists mean by calling Brent a fossil crater?
A fossil crater is an old impact structure whose original surface form has been substantially worn away. Brent is cut into Precambrian rocks, and its impact evidence survives even though the crater is no longer pristine.
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