ylakerroksia
Ylakerroksia is a Finnish term meaning the upper layers of a stratified system. It is used as a descriptive label in geology, soil science, archaeology and environmental studies to refer to the portion of a sequence that lies above deeper horizons or layers. The term does not denote a fixed unit with a defined thickness; its physical meaning depends on context and material.
In soil science, ylakerroksia commonly refer to the uppermost soil horizons, typically including the A horizon
In geology and stratigraphy, ylakerroksia denotes the uppermost beds or layers in a sedimentary sequence or
In archaeology, ylakerroksia describe the most recent occupation or use layers within a site, lying above older
Analytically, researchers study ylakerroksia through field logging, coring or drilling, stratigraphic profiling, colorimetry, grain-size analysis, and