: the long period of time occupied by the earth's geologic history
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Readers will enjoy a tour through geologic time, discovering how plants and animals evolved.—Richard Horan, The Christian Science Monitor, 7 Mar. 2025 Image The paintings can set one adrift to wander in the breadth of geologic time — unmoored from the present.—Zoë Hopkins, New York Times, 2 Jan. 2025 The section on geologic time explores how educators like Hitchcock described estimations of the earth’s age by delineating geologic strata in long, colorful maps, as well as painstakingly drawing assemblages of fossils to understand and disseminate the human discoveries of ancient life.—Anne Wallentine, Smithsonian Magazine, 8 Oct. 2024 For instance, the theory of plate tectonics—that the planet’s surface is composed of rocky plates that move around over geologic time—wasn’t widely accepted until the mid-1960s.—Rudy Molinek, Smithsonian Magazine, 13 Aug. 2024 See All Example Sentences for geologic time
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