3‐D Subsurface Geophysical Modeling of the Charity Shoal Structure: A Probable Late Proterozoic‐Early Paleozoic Simple Impact Structure in Eastern Lake Ontario

3‐D Subsurface Geophysical Modeling of the Charity Shoal Structure: A Probable Late Proterozoic‐Early Paleozoic Simple Impact Structure in Eastern Lake Ontario

Abstract The Charity Shoal structure is a circular, ∼1.2‐km‐diameter, bedrock‐rimmed shoal in eastern Lake Ontario with a ∼20‐m‐deep central basin. The structure has been proposed as a possible Middle Ordovician impact crater or volcanic intrusion. We conducted marine seismic and magnetic surveys (9...

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Bibliographic Details
Main Authors: Mary H. Armour, Joseph I. Boyce, Phillip Suttak, Doug Hrvoic
Format: Article
Language:English
Published: American Geophysical Union (AGU) 2024-11-01
Series:Earth and Space Science
Subjects:
Charity Shoal
3‐D potential field modeling
suspected impact structure
magnetics
Bouguer gravity
seismic profiling
Online Access:https://doi.org/10.1029/2024EA003605
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https://doi.org/10.1029/2024EA003605

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