Casco Bay Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Casco Bay Group
RTMaine
 Cape Elizabeth Formation
SNLower and middle Paleozoic. SW Maine. Includes Cape Elizabeth Formation, Spring Point Greenstone, Diamond Island Slate, Scarboro Phyllite, Spurwink Limestone, Jewell Phyllite and Mackworth Slate. Added to Thesaurus in 1989.