epigenic
/ˌɛpɪˈdʒɛnɪk/
adjective
- Relating to the formation or development of something, especially in geology or biology; formed on the surface or after the original formation.
- Epigenic processes can reshape landscapes over thousands of years.
- Epigenic mineral deposits form near the Earth's surface through weathering.
- The geologist explained that these crystals are epigenic, created long after the surrounding rock.