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Mineral Resources > Online Spatial Data > Geology > by state > Maine Geology

Geologic units in Lincoln county, Maine

[Additional scientific data in this geographic area]

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

Devonian granite

Lithology: granite

Devonian - Ordovician Bucksport Formation (Devonian - Ordovician) at surface, covers 32 % of this area

Devonian - Ordovician Bucksport Formation

Lithology: sandstone; limestone; calc-silicate rock

Ordovician - Precambrian Z Cape Elizabeth Formation (Ordovician - Precambrian Z) at surface, covers 27 % of this area

Ordovician - Precambrian Z Cape Elizabeth Formation

Lithology: slate; schist; quartzite; phyllite

Devonian gabbro/diorite/ultramafic rocks (Devonian) at surface, covers 0.2 % of this area

Devonian gabbro/diorite/ultramafic rocks

Lithology: gabbro; diorite; ultramafic intrusive rock

Ordovician - Precambrian Z Cushing Formation mafic volcanic member (Ordovician - Precambrian Z) at surface, covers 0.4 % of this area

Ordovician - Precambrian Z Cushing Formation mafic volcanic member

Lithology: mafic volcanic rock

Ordovician - Precambrian Z Cushing Formation sulfidic pelite (Ordovician - Precambrian Z) at surface, covers 0.4 % of this area

Ordovician - Precambrian Z Cushing Formation sulfidic pelite

Lithology: mudstone; sandstone

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

Ordovician - Precambrian Z Cape Elizabeth Formation quartzite member

Lithology: quartzite

Ordovician - Precambrian Z metasedimentary and metavolcanic rocks of the Passagassawakeag block (Ordovician - Precambrian Z) at surface, covers 1 % of this area

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

Lithology: metasedimentary rock; metavolcanic rock

Ordovician - Precambrian Z unnamed sedimentary rocks (Ordovician - Precambrian Z) at surface, covers 3 % of this area

Ordovician - Precambrian Z unnamed sedimentary rocks

Lithology: mudstone; sandstone

Devonian syenite (Devonian) at surface, covers 1 % of this area

Devonian syenite - Devonian biotite syenite undivided

Lithology: syenite

Devonian - Precambrian Z Appleton Ridge Formation (Devonian - Precambrian Z) at surface, covers 2 % of this area

Devonian - Precambrian Z Appleton Ridge Formation

Lithology: schist; phyllite

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

Ordovician - Precambrian Z Cushing Formation

Lithology: mafic metavolcanic rock; felsic metavolcanic rock

Silurian - Ordovician Vassalboro formation (Silurian - Ordovician) at surface, covers 0.9 % of this area

Silurian - Ordovician Vassalboro formation

Lithology: sandstone; quartzite; schist; limestone

Ordovician - Precambrian Z Cape Elizabeth Formation mafic to felsic volcanic member (Ordovician - Precambrian Z) at surface, covers 0.2 % of this area

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

Lithology: mafic metavolcanic rock; felsic metavolcanic rock

Ordovician - Precambrian Z Scarboro and Diamond Island formations (Ordovician - Precambrian Z) at surface, covers < 0.1 % of this area

Ordovician - Precambrian Z Scarboro and Diamond Island formations

Lithology: metasedimentary rock

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

Devonian granite (muscovite accessory mineral) - muscovite-biotite granite undivided

Lithology: granite

Ordovician - Precambrian Z Spring Point Formation (Ordovician - Precambrian Z) at surface, covers 0.5 % of this area

Ordovician - Precambrian Z Spring Point Formation

Lithology: metavolcanic rock

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

Ordovician - Precambrian Z Cushing Formation quartzite

Lithology: quartzite