During __________, vast areas of eastern and central North America were covered by black muds, which accumulated in a mud-floored seaway west of the coastal mountains.

Question

Quizplus · Accepted Answer

The Late Devonian period is known for the widespread deposition of black muds in a seaway that extended through eastern and central North America. This seaway was located to the west of the coastal mountains and contained vast quantities of organic matter, which eventually formed the coal deposits of the region.

During __________, Vast Areas of Eastern and Central North America