key bed
noun
geology
: a distinctive stratum or group of strata that serves to facilitate correlation in field mapping or subsurface studies : the horizon or bed on which elevations are taken or to which elevations are referred in making a structure contour map
called also key horizon
Dictionary Entries Near key bed
Cite this Entry
“Key bed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/key%20bed. Accessed 30 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share