The stratification is the act and the result of stratifying . This verb (stratify), in turn, refers to ordering in strata .
A stratum, meanwhile, is a set of pieces or elements that make up a larger entity and that are grouped by certain characteristics in common. The strata can be associated with levels or layers .
Returning to the idea of stratification, it refers to a strata provision . He concept It appears in multiple fields, acquiring various nuances and specific meanings.
In the field of geology , stratification is linked to how the strata of a land are distributed . In this case, the strata must be understood as layers that have a fairly uniform thickness and overlap.
When analyzing the stratification of a canyon, for example, we find the oldest stratum at the bottom (the base ) and the most recent stratum in the upper sector (the ceiling ). Other layers can be detected in the middle.
In the archeology , analyzing the stratification is key to determine the seniority of the findings . When the excavations are carried out, the extracted earth is carefully ordered: thus, when an object is detected, according to the stratum in question it is possible to draw various conclusions.
The social stratification , on the other hand, it is related to the classes that can be recognized within a society . Through certain criteria, people are categorized in a pyramid that reflects existing inequalities.
Many times social stratification is carried out according to the income . Thus, the poorest class occupies the lower level of the pyramid, while the richest class is at the tip.