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Lower Carboniferous   /lˈoʊər kˌɑrbənˈɪfərəs/   Listen
Lower Carboniferous

From 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects.  Synonyms: Lower Carboniferous period, Missippian period, Mississippian.

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"Lower Carboniferous" Quotes from Famous Books

... extreme south end, between Kilchattan and Garroch Head, these conglomerates and sandstones are overlaid by a thick cornstone or dolomitic limestone marking the upper limit of the formation, which is surmounted by the cement-stones and contemporaneous lavas of Lower Carboniferous age. The bedded volcanic rocks which form a series of ridges trending north-west comprise porphyritic basalts, andesite, and, near Port Luchdach, brownish trachyte. Near the base of the volcanic series intrusive igneous rocks of Carboniferous age appear in the form of sills ...
— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 - "Bulgaria" to "Calgary" • Various

Words linked to "Lower Carboniferous" :   geological period, Missippian period, period, carboniferous, Carboniferous period

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