Glover Bluff crater

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Glover Bluff crater
Glover Bluff Impact Breccia (Oneota Formation, Lower Ordovician; Glover Bluff Impact Structure, south-central Wisconsin).jpg
Impact Breccia from the Glover Bluff crater.
Impact crater/structure
Diameter8 kilometres (5.0 mi)
Age Less than 485 mya (Ordovician or younger)
Location
Coordinates 43°58′43″N89°32′08″W / 43.97861°N 89.53556°W / 43.97861; -89.53556
Region Wisconsin, United States
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Glover Bluff crater
USA Wisconsin location map.svg
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Glover Bluff crater

The Glover Buff crater is a impact crater located in Wisconsin, United States. It has a diameter of about 8 kilometres (5.0 miles) and is partially exposed, however it has eroded significantly. Shatter cones are associated with this impact structure. As the target rocks impacted are sandstone and dolomite of Cambrian and Ordovician in age, it must be at least as young as the Ordovician, though the age of the impact is otherwise unconstrained. [1] [2] It is an understudied crater, being one of the least studied impact structures. [3] [4] The crater is near the east end of a prominent west-trending positive magnetic anomaly and near a Bouguer gravity anomaly. [3]

References

  1. ↑ "United States Meteorite Impact Craters - Glover Bluff crater, Wisconsin". impactcraters.us. Retrieved 2025-10-18.
  2. ↑ "Glover Bluff - Hypervelocity Impact Crater". Impact Earth Database. Retrieved 2025-10-18.
  3. 1 2 "GLOVER BLUFF IMPACT STRUCTURE – Crater Explorer" . Retrieved 2025-10-18.
  4. ↑ "Glover Bluff". www.passc.net. Retrieved 2025-10-18.
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