| 释义 |
Definition of allochem in English: allochemnoun ˈaləkɛm Geology Any of various coarse particles (as skeletal fragments, ooliths, pellets, carbonate clasts, etc.) which have become incorporated in, and provide a framework for, certain mechanically deposited sedimentary rocks.
Origin 1950s. Shortened from allochemical. Definition of allochem in US English: allochemnounˈaləkɛm Geology Any of various coarse particles (as skeletal fragments, ooliths, pellets, carbonate clasts, etc.) which have become incorporated in, and provide a framework for, certain mechanically deposited sedimentary rocks.
Origin 1950s. Shortened from allochemical. |