Lawn Hill crater
From Wikipedia, the free encyclopedia
Lawn Hill ‘crater’ refers to an Ordovician impact structure, the eroded remnant of a former impact crater, situated approximately 220 km north-north-west of Mount Isa in northwestern Queensland, Australia. The site is marked by an 18 km diameter ring of dolomite hills. The origin of this circular feature was uncertain until the discovery of shatter cones and shocked quartz from uplifted rocks at the centre was reported in 1987.[1][2]
Quick Facts Impact crater/structure, Confidence ...
Lawn Hill crater | |
---|---|
Impact crater/structure | |
Confidence | Confirmed |
Diameter | 18 km (11 mi) |
Age | Ordovician |
Exposed | Yes |
Drilled | No |
Location | |
Coordinates | 18.667°S 138.63°E / -18.667; 138.63 |
Country | Australia |
State | Queensland |
Close