†(a) A laminated rock structure with a complex interleaving of igneous and sedimentary components. Obsolete. (b) = stromatolite, n.
| 单词 | θ5628 |
| 释义 | the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > stromatolite (2) stromatolith1916 †(a) A laminated rock structure with a complex interleaving of igneous and sedimentary components. Obsolete. (b) = stromatolite, n. stromatolite1930 A laminated calcareous sedimentary structure built up by algae or bacteria. Cf. oncolite, n. |
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