Willard Shale

The Willard Formation, also referred to as Willard Shale, is a Late-Carboniferous geologic formation in Kansas, extending into Nebraska, Iowa, Missouri, and Oklahoma.^[2][1]

Willard Formation Willard Shale
Stratigraphic range: [1]Gzhelian PreꞒ Ꞓ O S D C P T J K Pg N ↓ (Virgilian stage)[2]
Type	Formation
Unit of	Wabaunsee Group
Underlies	Zeandale Limestone
Overlies	Emporia Limestone
Lithology
Primary	Argillaceous shale
Other	Thin arenaceous shales, sand
Location
Region	Kansas
Country	United States
Type section
Named for	Willard, Kansas[3]
Named by	Beede[3]
Year defined	1898[3]

The full face of the formation is exposed for easy access on the north bank of Deep Creek at the public park, Pillsbury Crossing, in southeast Riley County, Kansas,^[4] about 25 miles (40 km) west of the type location at Willard, Kansas.^[3]

See also

• Earth sciences portal
• Kansas portal
• Paleontology portal

• List of fossiliferous stratigraphic units in Kansas
• Paleontology in Kansas