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biostrome
bi·o·strome B5274450 (bī′ō-strōm′)n. A stratified rock deposit, such as coal or carbonate, formed from the remains of sedentary organisms such as trees or corals, crinoids, and brachiopods.
[bio— + Greek strōma, bed, mattress; see ster- in Indo-European roots.]biostrome (ˈbaɪəˌstrəʊm) n (Geological Science) a rock layer consisting of a deposit of organic material, such as fossils[C20: from bio- + Greek strōma covering]biostrome
biostrome[′bī·ə‚strōm] (geology) A bedded structure or layer (bioclastic stratum) composed of calcite and dolomitized calcarenitic fossil fragments distributed over the sea bottom as fine lentils, independent of or in association with bioherms or other areas of organic growth. (invertebrate zoology) A flat-bedded, fossil, reeflike structure. |