Lähdehiili
Lähdehiili is a Finnish term that translates to "source coal" or "originating coal." It is not a specific type of coal but rather a descriptive term used to indicate the geological origin or formation context of coal. In geological studies and discussions about coal resources, "lähdehiili" can refer to coal that is still in its original deposit or has not been significantly moved from its place of formation. This distinguishes it from coal that has been transported by natural processes, such as erosion and deposition, or through mining and subsequent processing.
The concept of lähdehiili is important in understanding coal seam continuity, the quality and characteristics of
In practice, the term might be used in contrasting different coal samples or deposits. For instance, a