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Geologic units in Camden county, Missouri

[Additional scientific data in this geographic area]

ST. FRANCOIS MOUNTAINS INTRUSIVE SUITE (SUBVOLCANIC, ALKALI GRANITIC RING COMPLEXES) (Precambrian [Y]) at surface, covers < 0.1 % of this area
ST. FRANCOIS MOUNTAINS INTRUSIVE SUITE (SUBVOLCANIC, ALKALI GRANITIC RING COMPLEXES)
Lithology: granite
EMINENCE DOLOMITE, POTOSI DOLOMITE (Phanerozoic | Paleozoic | Cambrian-Furongian [Croixian]) at surface, covers 3 % of this area
EMINENCE DOLOMITE - dolomite with some druse - coated chert. POTOSI DOLOMITE - dolomite with abundance of druse - coated chert.
Lithology: dolostone (dolomite); chert
ELVINS GROUP- (INCLUDING DERBY-DOERUN DOLOMITE, DAVIS FORMATION), BONNETERRE DOLOMITE (Phanerozoic | Paleozoic | Cambrian-Furongian [Croixian]) at surface, covers < 0.1 % of this area
ELVINS GROUP - (INCLUDING DERBY - DOERUN DOLOMITE - alternating thin dolomite, siltstone, and shale; DAVIS FORMATION - glauconitic shale with fine - grained sandstone, limestone, and dolomite); BONNETERRE DOLOMITE - dolomite, dolomitic limestone, and limestone; glauconitic in lower part
Lithology: dolostone (dolomite); shale; siltstone; sandstone; limestone; conglomerate
LAMOTTE SANDSTONE (Phanerozoic | Paleozoic | Cambrian-Furongian [Croixian]) at surface, covers < 0.1 % of this area
LAMOTTE SANDSTONE - sandstone with some dolomitic and shaly lenses; coarse - graines to conglomeratic and arkosic at base
Lithology: sandstone
ROUBIDOUX FORMATION (Phanerozoic | Paleozoic | Ordovician-Early [Ibexian]) at surface, covers 41 % of this area
ROUBIDOUX FORMATION - sandstone, chert and interbedded dolomite
Lithology: sandstone; chert; dolostone (dolomite)
GASCONADE DOLOMITE (Phanerozoic | Paleozoic | Ordovician-Early [Ibexian]) at surface, covers 46 % of this area
GASCONADE DOLOMITE - coarse - crystalline cherty dolomite with a basal Gunter Sandstone Member.
Lithology: dolostone (dolomite); sandstone
RIVERTON FORMATION, BURGNER FORMATION (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Middle [Atokan]) at surface, covers < 0.1 % of this area
RIVERTON FORMATION - shale, clay, coal. BURGNER FORMATION - limestone
Lithology: shale; siltstone; limestone; clay or mud; coal
SMITHVILLE DOLOMITE, POWELL DOLOMITE, COTTER DOLOMITE, JEFFERSON CITY DOLOMITE (Phanerozoic | Paleozoic | Ordovician-Early [Ibexian]) at surface, covers 11 % of this area
SMITHVILLE DOLOMITE, POWELL DOLOMITE, COTTER DOLOMITE, JEFFERSON CITY DOLOMITE - fine crystalline, silty, cherty dolomite, and oolitic chert with local sandstone beds
Lithology: dolostone (dolomite); sandstone; shale; conglomerate; chert
PENNSYLVANIAN UNDIFFERENTIATED (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian) at surface, covers < 0.1 % of this area
PENNSYLVANIAN UNDIFFERENTIATED
Lithology: shale; limestone; sandstone; coal

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