Geologic units in Waldo county, Maine

Silurian - Ordovician Vassalboro Formation (Silurian - Ordovician) at surface, covers 26 % of this area

Silurian - Ordovician Vassalboro formation

Ordovician - Precambrian Z Cape Elizabeth Formation (Ordovician - Precambrian Z) at surface, covers 14 % of this area

Ordovician - Precambrian Z Cape Elizabeth Formation

Penobscot Formation (Ordovician - Cambrian) at surface, covers 13 % of this area

Penobscot Formation

Devonian granite (Devonian) at surface, covers 12 % of this area

Devonian granite

Devonian - Ordovician Bucksport Formation (Devonian - Ordovician) at surface, covers 8 % of this area

Devonian - Ordovician Bucksport Formation

Ordovician - Precambrian Z metasedimentary and metavolcanic rocks of the Passagassawakeag block (Ordovician - Precambrian Z) at surface, covers 8 % of this area

Ordovician - Precambrian Z metasedimentary and metavolcanic rocks of the Passagassawakeag block

Ordovician - Precambrian Z Cushing Formation (Ordovician - Precambrian Z) at surface, covers 7 % of this area

Ordovician - Precambrian Z Cushing Formation

Devonian - Precambrian Z Appleton Ridge Formation (Devonian - Precambrian Z) at surface, covers 3 % of this area

Devonian - Precambrian Z Appleton Ridge Formation

Ordovician - Precambrian Z Cushing Formation, mafic volcanic member (Ordovician - Precambrian Z) at surface, covers 1 % of this area

Ordovician - Precambrian Z Cushing Formation mafic volcanic member

Precambrian Z rocks of Islesboro (Precambrian Z) at surface, covers 1 % of this area

Precambrian Z rocks of Islesboro

Silurian Waterville Formation (Silurian) at surface, covers 1.0 % of this area

Silurian Waterville Formation

Ordovician - Cambrian Megunticook Formation (Ordovician - Cambrian) at surface, covers 0.9 % of this area

Ordovician - Cambrian Megunticook Formation

Ordovician - Precambrian Z Cape Elizabeth Formation, mafic to felsic volcanic member (Ordovician - Precambrian Z) at surface, covers 0.9 % of this area

Ordovician - Precambrian Z Cape Elizabeth Formation mafic to felsic volcanic member

Ordovician - Precambrian Z Cushing Formation, sulfidic pelite (Ordovician - Precambrian Z) at surface, covers 0.7 % of this area

Ordovician - Precambrian Z Cushing Formation sulfidic pelite

Ordovician - Precambrian Z Cape Elizabeth Formation, quartzite member (Ordovician - Precambrian Z) at surface, covers 0.7 % of this area

Ordovician - Precambrian Z Cape Elizabeth Formation quartzite member

Penobscot Formation, Basalt Member (Ordovician - Cambrian) at surface, covers 0.5 % of this area

Penobscot Formation, Basalt Member

Precambrian Z Ogier Point Formation (Precambrian) at surface, covers 0.3 % of this area

Precambrian Z Ogier Point Formation

Ordovician - Precambrian Z calc-silicate rocks of the Passagassawakeag block (Ordovician - Precambrian Z) at surface, covers 0.3 % of this area

Ordovician - Precambrian Z calc-silicate rocks of the Passagassawakeag block

Devonian granite (muscovite accessory mineral) (Devonian) at surface, covers 0.3 % of this area

Muscovite-biotite granite undivided

Silurian - Ordovician unnamed pelite (Silurian - Ordovician) at surface, covers 0.2 % of this area

Silurian - Ordovician unnamed pelite

Precambrian Z rocks of Islesboro limestone (Precambrian) at surface, covers 0.2 % of this area

Precambrian Z rocks of Islesboro limestone

Devonian syenite (Devonian) at surface, covers 0.2 % of this area

Devonian biotite syenite undivided

Ordovician - Precambrian Z Cushing Formation, quartzite (Ordovician - Precambrian Z) at surface, covers 0.2 % of this area

Ordovician - Precambrian Z Cushing Formation quartzite

Precambrian Z Coombs Limestone (Precambrian Z) at surface, covers 0.2 % of this area

Precambrian Z Coombs Limestone

Ordovician - Precambrian Z Ellsworth formation (Ordovician - Precambrian Z) at surface, covers 0.1 % of this area

Ordovician - Precambrian Z Ellsworth formation

Silurian ultramafic rocks (Silurian) at surface, covers 0.1 % of this area

Silurian ultramafic rocks

Ordovician - Precambrian Z Cushing Formation, limestone (Ordovician - Precambrian Z) at surface, covers 0.1 % of this area

Ordovician - Precambrian Z Cushing Formation limestone

Megunticook Formation, Polymictic Conglomerate Member (Ordovician - Cambrian) at surface, covers < 0.1 % of this area

Megunticook Formation, Polymictic Conglomerate Member

Silurian - Ordovician unnamed sulfidic pelite (Silurian - Ordovician) at surface, covers < 0.1 % of this area

Silurian - Ordovician unnamed sulfidic pelite

Precambrian Z North Haven Formation (Precambrian) at surface, covers < 0.1 % of this area

Precambrian Z North Haven Formation

Megunticook Formation, Limestone Member (Ordovician - Cambrian) at surface, covers < 0.1 % of this area

Megunticook Formation, Limestone Member

Precambrian Z Rockport Formation (Precambrian) at surface, covers < 0.1 % of this area

Precambrian Z Rockport Formation