Rankers

Rankers are soils developed over non-calcareous material, usually rock. They are regarded in some soil classifications as lithomorphic soils, a group which also includes rendzinas, similar soils over calcareous material. They are often called A/C soils, as the topsoil or A horizon is immediately over a C horizon (unaltered parent material).[1]

This article is about the soils. For the military term, see Other ranks (UK).
Example of Rankers

References
  1. Soil Glossary Archived 2012-05-04 at the Wayback Machine. InnVista.com. Accessed May 5, 2012.
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