stratigraphic unit

A stratum of rock or a body of strata classified as a unit on the basis of character, property, or attribute.

Related terms:

• rock-stratigraphic unit
• time-stratigraphic unit
• biostratigraphic unit
• lithostratic unit
• lithostratigraphic unit
• lithologic unit
• rock unit
• operational unit
• Dobson unit
• stratigraphic throw