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Lower Devonian Seboomook Formation and Matagamon Sandstone, Northern Maine: A Flysch Basin-Margin Delta Complex

By
Bradford A. Hall
Bradford A. Hall
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Stephen G. Pollock
Stephen G. Pollock
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Kerry M. Dolan
Kerry M. Dolan
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Published:
January 01, 1976

Detailed sedimentological work in Lower Devonian (primarily Siegenian) rocks of the Matagamon Lake area in northern Maine indicates that mudstone and fine-grained sandstone grades upward from a turbidite-bearing prodelta-marine slope association (Seboomook Formation) to coarser grained associations characteristic of delta-front and delta-plain environments (Matagamon Sandstone). Paleocurrent directions determined from turbidites, channeled fluxoturbidites, and various facies of the shallower water environments indicate sediment transport from east to west. The coarsening-upward sequence coupled with paleocurrent and paleoenvironmental data indicate a westerly prograding delta-slope-basin sequence. It is proposed that the widespread Siegenian deeper water mudstone and fine-grained sandstone facies (Seboomook Formation and equivalents) is a syntectonic shaly flysch derived f r o m an extensive landmass to the east that was uplifted in Early Devonian time.

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GSA Memoirs

Contributions to the Stratigraphy of New England

Lincoln R. Page
Lincoln R. Page
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Geological Society of America
Volume
148
ISBN print:
9780813711485
Publication date:
January 01, 1976

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