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Abstract

Summary

The Sudbury basin in Ontario, Canada has been historically studied due to its economic mineral deposits and unique geology. High resolution marine seismic surveying was conducted in two lakes to explore sediments for imbedded neo-tectonic indicators providing evidence of neo-tectonic activity prior to anthropogenic influence. Seismic profiles revealed four distinct acoustic facies correlating to sediment facies described and cored in the encompassing Huron basin. Utilizing these interpretations a rudimentary chronology was established for the sediment stratigraphy based on the timing of significant regional events such as deglaciation and the warm/arid Hypsithermal climatic event. Faulting was confined to older (> 8000 ybp) sediments while sediment slumping was recorded throughout the succession, revealing persistent neo-tectonic activity since deglaciation. This study demonstrates the use of shallow marine seismic surveying for reconstructing late and post glacial environments, and how this information can be applied for investigating on-going natural hazards such as neo-tectonic activity.

© EAGE Publications BV
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/content/papers/10.3997/2214-4609.201602166
2016-09-04
2024-04-23

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References

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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201602166
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High Resolution Marine Seismic Surveying in the Sudbury Basin, Ontario, Canada
Conference Proceedings 2016, 1 (2016); https://doi.org/10.3997/2214-4609.201602166
/content/papers/10.3997/2214-4609.201602166
/content/papers/10.3997/2214-4609.201602166
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