description Gardnos Overview
Gardnos is a meteorite impact crater near Nesbyen in Buskerud, Norway. It is about five kilometers wide and formed approximately 546 million years ago, near the transition between the Precambrian and Cambrian periods. The site contains impact-related rocks and breccias, and it is used to explain how a major impact altered the local bedrock and landscape.
help Gardnos FAQ
Where is Gardnos crater?
Gardnos is near Nesbyen in Buskerud, Norway. The impact structure is about five kilometres wide.
How old is Gardnos crater?
Gardnos formed approximately 546 million years ago, near the transition between the Precambrian and Cambrian periods. That makes it vastly older than human history.
What rocks can be found at Gardnos?
The site contains impact-related rocks and breccias, which are broken and mixed rocks created or altered during the collision. These materials help show that Gardnos was formed by an impact.
Is Gardnos a large crater today?
The original structure was about five kilometres wide, but its present appearance has been altered by erosion and later geological processes. It is best understood as an impact structure preserved in Norway’s landscape.
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