Like most folded mountain chains on continental margins, the Appalachian Mountains have a piedmont (&quot;foot of the mountains&quot;) region on the ocean-ward side that consists of regional-type metamorphic rocks overlain by detrital sediment layers shed from the mountains.
(the Appalachian Mountains; have; a piedmont (&quot) (the ocean-ward side; consists; of regional-type metamorphic rocks) (regional-type metamorphic rocks; overlain; by detrital sediment layers)
the Appalachian Mountains the ocean-ward side regional-type metamorphic rocks
have consists overlain
a piedmont (&quot
of regional-type metamorphic rocks
by detrital sediment layers