Total magnetic intensity map of the Charity Shoal structure, northeastern Lake Ontario

Magnetic survey data over the Charity Shoal Structure in northern lake Ontario Canada. Data shows large anomaly over suspected impact structure. Grid provided is the grid used to create the models of Charity Shoal加拿大安大略湖北部慈善浅滩构造（Charity Shoal Structure）的磁测数据。数据显示，该疑似撞击构造上方存在显著磁异常。本次提供的测网即为用于构建慈善浅滩构造模型的测网。