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{{Infobox terrestrial impact site|title=Glover Bluff crater|image=Glover Bluff Impact Breccia (Oneota Formation, Lower Ordovician; Glover Bluff Impact Structure, south-central Wisconsin).jpg|caption=Impact Breccia from the Glover Bluff crater.|coordinates={{Coord|43|58|43|N|89|32|08|W}}|region=[[Wisconsin]], [[United States]]|diameter={{convert|8|km}}|map=North America#Wisconsin|name=Glover Bluff crater|age=Less than 485 mya ([[Ordovician]] or younger)}} |
{{Infobox terrestrial impact site|title=Glover Bluff crater|image=Glover Bluff Impact Breccia (Oneota Formation, Lower Ordovician; Glover Bluff Impact Structure, south-central Wisconsin).jpg|caption=Impact Breccia from the Glover Bluff crater.|coordinates={{Coord|43|58|43|N|89|32|08|W}}|region=[[Wisconsin]], [[United States]]|diameter={{convert|8|km}}|map=North America#Wisconsin|name=Glover Bluff crater|age=Less than 485 mya ([[Ordovician]] or younger)}} |
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[[File:Glover Bluff Impact Breccia (Oneota Formation, Lower Ordovician; Glover Bluff Impact Structure, south-central Wisconsin).jpg|left|thumb|Impact breccia from the Glover Bluff impact structure]] |
[[File:Glover Bluff Impact Breccia (Oneota Formation, Lower Ordovician; Glover Bluff Impact Structure, south-central Wisconsin).jpg|left|thumb|Impact breccia from the Glover Bluff impact structure]] |
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The ”’Glover Buff crater”’ is a [[impact crater]] located in [[Wisconsin]], [[United States]]. It has a diameter of about 8 |
The ”’Glover Buff crater”’ is a [[impact crater]] located in [[Wisconsin]], [[United States]]. It has a diameter of about 8 and is partially exposed however it has eroded significantly. [[Shatter cone|Shatter cones]] are associated with this impact structure. As the target rocks impacted are [[sandstone]] and [[Dolomite (rock)|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.<ref>{{Cite web |title=United States Meteorite Impact Craters – Glover Bluff crater, Wisconsin |url=https://impactcraters.us/glover_bluff_wisconsin |access-date=2025-10-18 |website=impactcraters.us}}</ref><ref>{{Cite web |title=Glover Bluff – Hypervelocity Impact Crater |url=https://impact.uwo.ca/impact-craters/map/ |access-date=2025-10-18 |website=Impact Earth Database |language=en-CA}}</ref> It is a understudied crater being one of the least studied impact structures.<ref name=”:0″>{{Cite web |title=GLOVER BLUFF IMPACT STRUCTURE – Crater Explorer |url=https://craterexplorer.ca/glover-bluff-impact-structure/ |access-date=2025-10-18 |language=en-US}}</ref><ref>{{Cite web |title=Glover Bluff |url=http://www.passc.net/EarthImpactDatabase/New%20website_05-2018/GloverBluff.html |access-date=2025-10-18 |website=www.passc.net}}</ref> The crater is near the east end of a prominent west-trending positive magnetic anomaly and near a [[Bouguer anomaly|Bouguer gravity anomaly]].<ref name=”:0″ /> |
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== References == |
== References == |
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Latest revision as of 22:10, 18 October 2025
Impact crater
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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 a 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]
