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Bouguer Gravity Anomaly Map of the Upper Midcontinent

Red ball iconTHE MIDCONTINENT RIFT SYSTEM IN IOWA

 

 

Bouguer Gravity Anomaly Map
of the Upper Midcontinent


from
DNAG Gravity AnomalyMap of North America (1987)

 

Red and orange signify positive anomalies.

Green and blue identify negative anomalies.

     
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