For this purpose, the Grenville orogen is generally broken into four localities: the southern extent in Texas and Mexico, the Appalachians, the Adirondacks and the well-studied Grenville Province of Canada.
Para isto, o oróxeno de Grenville divídese xeralmente en catro localidades: o tramo sur en Texas e México, os Apalaches, os Adirondacks e a ben estudada Provincia de Grenville de Canadá.