blindhole

A blindhole is a term used in various fields, including geology, engineering, and archaeology, to describe a hole or cavity that does not extend through an entire material or object. Essentially, it is a depression or indentation with a closed bottom.

In geology, a blindhole can refer to a sinkhole that has not yet breached the surface or a borehole that is drilled to a certain depth without reaching its intended target or penetrating the full thickness of a stratum. These features can be important in understanding subsurface conditions and potential hazards.

In engineering, a blindhole is commonly encountered during manufacturing processes, such as drilling and machining. A blind hole is created when a drill bit penetrates a material but stops before it reaches the opposite side. This is distinct from a through-hole, which passes completely through the material. Applications include creating threaded holes for fasteners or recesses for components.

Archaeologists may uncover blindholes as evidence of ancient tools, storage pits, or even burials that have been subsequently filled in. The depth and contents of a blindhole can provide valuable clues about past activities and settlement patterns. The interpretation of a blindhole depends heavily on the context in which it is found.