description Foelsche Overview
Foelsche is an impact structure in the McArthur Basin of the Northern Territory, Australia. Its surface expression includes a roughly circular outcrop of Neoproterozoic Bukalara Sandstone and fractured, brecciated Limmen Sandstone interpreted as remnants of a crater rim about 5 to 6 kilometers wide. A prominent circular aeromagnetic anomaly and shock features in rock samples support the impact interpretation, which is generally assigned a Neoproterozoic age.
help Foelsche FAQ
Where is the Foelsche impact structure?
Foelsche is in the McArthur Basin of Australia's Northern Territory. Its surface expression includes a roughly circular outcrop of Neoproterozoic Bukalara Sandstone.
What rocks form the visible Foelsche crater rim?
The interpreted rim remnants include Bukalara Sandstone and fractured, brecciated Limmen Sandstone. The fractures and broken rock are consistent with intense impact forces.
Is Foelsche an exposed or buried crater?
Foelsche has a surface expression, so parts of the structure can be studied at ground level. Erosion and later geological change mean that the visible feature is interpreted as remnant crater material rather than a pristine bowl.
Where can Foelsche be found in Australia?
It is located in the Northern Territory, within the McArthur Basin. The basin is a major geological region containing very old sedimentary rocks.
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