沈ちん積せき岩がんちんせきがんじ字FuriganaMeanings1nounsedimentary rockrare termRare synonym for 堆積岩 (たいせきがん). Used mainly in older or specialized geological texts.See also: 堆積岩この地ち層そうには沈ちん積せき岩がんが多おおく見
