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

Geologic units in Ray county, Missouri

HOLOCENE SERIES (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 22 % of this area

HOLOCENE SERIES - Alluvium - clay, silt, sand, and gravel

Lithology: clay or mud; silt; sand; gravel

PLEASANTON GROUP (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Upper Missourian]) at surface, covers 24 % of this area

PLEASANTON GROUP - dominantly shale and sandstone with minor coal.

Lithology: shale; sandstone; coal

LANSING GROUP (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Upper Missourian]) at surface, covers 0.2 % of this area

LANSING GROUP - cyclic deposits of limestone and shale

Lithology: shale; limestone; sandstone

MARMATON GROUP (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Middle [Middle Desmonian]) at surface, covers 15 % of this area

MARMATON GROUP - cyclic deposits, shale and limestone with sandstone, clay and several coal beds, some workable

Lithology: limestone; shale; sandstone; clay or mud; coal

WELDON RIVER-WARRENSBURG-MOBERLY CHANNEL SANDSTONE (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Upper Missourian]) at surface, covers 0.3 % of this area

WELDON RIVER - WARRENSBURG - MOBERLY CHANNEL SANDSTONE

Lithology: sandstone

KANSAS CITY GROUP (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Upper Missourian]) at surface, covers 38 % of this area

KANSAS CITY GROUP - cyclic deposits, limestone and shale with minor sandstone and coal.

Lithology: limestone; shale; sandstone; coal