Jarman Gap is a wind gap in a physiographic province located in which part of the United States ?
Jarman Gap Jarman Gap (also Jarman's Gap or Jarmans Gap) is a wind gap in the Blue Ridge Mountains in the counties of Albemarle and Augusta, Virginia.
Spavinaw terrane The Spavinaw terrane is an occurrence of Proterozoic (1.40–1.35 Ga) intrusive and volcanic rocks in the mid-continent region of the United States. The terrane extends across southern Missouri, southern Kansas, northern Arkansas and much of Oklahoma. The rocks are almost entirely known from drill core and only exposed in outcrop near Spavinaw, Mayes County, Oklahoma and parts of the Saint Francois Mountains in Washington County, Missouri. The terrane is composed almost exclusively of essentially unaltered intrusive granites and volcanic rhyolite and rhyolite tuffs.