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Interpretation of Aeromagnetic Data in Southwest Connecticut, and Evidence for Faulting Along the Northern Fall Line

机译:解读康涅狄格州西南部的航磁数据,以及北部秋季断层的证据

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摘要

A striking change occurs in the aeromagnetic anomaly pattern in southwestern Connecticut and adjacent New York. A northeast trending zone passing through south Britain and Ridgefield, Connecticut, and just east of White Plains, New York, separates high-intensity anomalies of diverse trends on the northwest from a relatively low flat field on the southeast. The zone consists of a series of northeast and north northeast trending aeromagnetic lineaments, several of which correspond to lineaments on Landsat satellite imagery. Geologic units change across the zone, and the Triassic-Jurassic fault block of Pomperaugh Valley occurs within it. Some aeromagnetic lineaments correspond to mapped faults in areas of detailed mapping, and suggest that the entire zone may be a broad fault zone.

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