A Typical Progression of Soil Profile Development The soil profile develops over time as the result of the weathering of minerals and deposition of organic matter. The following link from North Carolina States University provides a brief animation of the horizon development process within the soil profile.
Pisos de vegetación Ministerio de Educación, Cultura y Deporte. Instituto Nacional de Tecnologías Educativas y de Formación del Profesorado. Flashes de Geografía de Carlos Guallart Moreno.