Earth: Day Zero • Paper 183 of 512
Acraman Structure
The Acraman Structure of South Australia represents one of the largest recognized impact structures within Australia.
Regional Geological Context
The structure is located within South Australia near Lake Acraman and the Gawler Craton.
Regional institutions include University of Adelaide, Adelaide, South Australia, Australia, and Flinders University, Adelaide, South Australia, Australia.
Observation
The structure preserves evidence of a large ancient impact event despite substantial geological modification.
Constraint Analysis
Acraman provides a useful comparison between cratonic preservation and impact structure survivability.