Have Geologists found Britain’s biggest impact event?

Geologists think they have discovered the biggest impact event, recorded in rocks ~1.2billion years old in the Northwest Highlands of Scotland near Ullapool:



Does the UK have an impact crater?

The much lauded anouncement of the discovery of an impact crater in the North Sea has been contested by other geologists who argue a different origin:


Did the Tunguska event leave a crater?

The 1908 Tunguska event is the largets extra-terrestrial “impact” event of modern times. Some geologists think they have found a crater which can be attrubuted to the event:


More details about the event: