| 单词 | stromatolite |
| 释义 | stromatolite Geol.|ˈstrəʊmətəʊlaɪt|
[ad. G. stromatolith (see next): see -lite.]
A laminated calcareous sedimentary structure built up by algae or bacteria. Cf. oncolite s.v. onco-.
1930Peach & Home Chapters on Geol. Scotl. vi. 214 The structures referred to above as resembling the Stromatolites of Kallowsky [sic] are considered to be of the nature of a chemical deposit brought about by the action of organisms such as algae. 1957Prof. Papers U.S. Geol. Surv. No. 294-d. 129/1 The present study discriminates between fossil algae and stromatolites. 1969Dunbar & Waage Hist. Geol. (ed. 3) viii. 182/2 Since these deposits preserve only the gross form of the colony, the algae cannot be identified biologically and the deposits are simply called stromatolites. 1979D. Attenborough Life on Earth i. 22 The blue-green pillars of Hamelin Pool are living stromatolites.
Hence stromatoˈlitic a., of the nature of or pertaining to stromatolites.
1933Trans. Geol. Soc. S. Afr. XXXV. 35 The main interest of the rocks is centred in the abundance amongst them of stromatolitic limestones. 1955Jrnl. Paleont. XXIX. 723/2 (heading) Recent stromatolitic sediments from south Florida. 1978Sci. Amer. Sept. 86/3 Microfossils have been identified in some 45 stromatolitic deposits. |
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