準じゅん化か石せき

noun

subfossil

Geological term for remains that are not fully fossilized; often used in contrast with 半化石 (hemifossil).

See also: 半化石

• この地ち層そうからは準じゅん化か石せきが多おおく見みつかっている。

  Many subfossils have been found in this stratum.