| 释义 |
oncolite
on·co·lite O5083600 (ŏn′kə-līt′)n. A spherical stromatolite that usually forms around a fragment of detritus such as a piece of shell or a grain of sand.
[Greek onkos, mass; see oncology + -lite.]
on′co·lit′ic (-lĭt′ĭk) adj.
oncolite
oncolite[′äŋ·kō‚līt] (geology) A small, variously shaped (often spheroidal), concentrically laminated, calcareous sedimentary structure resembling an oolith; formed by accretion of successive, layered masses of gelatinous sheaths of blue-green algae. |