iso·pach
| \ ˈī-sə-ˌpak
\
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Definition of isopach
: an isoline that connects points of equal thickness of a geologic stratum formation or group of formations
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“Isopach.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isopach. Accessed 29 Jun. 2022.
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Time Traveler for isopach
The first known use of isopach was circa 1918
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