Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Kansas Geology
Geologic units in Douglas county, Kansas
- Alluvium (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 16 % of this area
unconsolidated sand, silt, clay, and gravel
- Douglas Group (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Virgilian]) at surface, covers 34 % of this area
Lawrence FM (base LA)- mostly gray shale and sandstone with minor red shale, coal, gray limestone and conglomerate, thickness ranges from 140ft to 250 ft. Stranger FM- five members containing sandstone, shale, and minor limestone, coal and conglomerate ranging from 100 ft. to 180 ft. thickness.
- Drift (Phanerozoic | Cenozoic | Quaternary | Pleistocene) at surface, covers 6 % of this area
sand, silt, clay, and some gravel
- Lansing Group (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Middle [Missourian]) at surface, covers 0.8 % of this area
Stanton Limestone- three limestone and two shales members, ranges from 15 to 130 ft. thick. Vilas Shale- sandy, carbonaceous gray shale with some sandstone and limestone locally, ranges from 5 to 120 ft. thick. Plattsburg Limestone- two limestone members separated by shale, ranging from 25 to 115 ft. thick.
- Shawnee Group (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Virgilian]) at surface, covers 39 % of this area
Includes: Topeka Limestone, Calhoun Shale, Deer Creek Limestone (base DC), Tecumseh Shale, Lecompton Limestone (base LC), Kanwaka Shale, Oread Limestone with Plattsmouth Limestone Member (base PL).