bio·clast
| \ ˈbī-(ˌ)o-ˌklast
\
\
plural bioclasts
Definition of bioclast
geology
: a fragment of biological origin (such as a shell fragment or fossil) occurring in sedimentary rock
You can have fabrics full of bioclasts—fragments of organic origin, such as bits of plants or clamshells—and you can classify the kinds of mineral grains, their size and distribution.— Karen Chin, quoted in Discover, June 1996
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“Bioclast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bioclast. Accessed 16 Aug. 2022.
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Time Traveler for bioclast
The first known use of bioclast was in 1963
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