Schachtförmig
Schachtförmig is a German adjective that translates to "shaft-shaped" or "pit-shaped" in English. It describes something that is long, narrow, and deep, resembling a vertical shaft or a deep pit. This term is often used in technical or geological contexts to describe formations or structures.
For instance, in geology, a schachtförmig deposit might refer to a vertical or near-vertical vein of ore
The term emphasizes the predominantly vertical and enclosed nature of the form. It differentiates from shapes