rift valley

noun

Definition of rift valley

: an elongated valley formed by the depression of a block of the earth's crust between two faults or groups of faults of approximately parallel orientation

Examples of rift valley in a Sentence

Recent Examples on the Web Because of its location, the lake bed sits upon a rift valley and thus is slowly being pulled apart. Joshua Hawkins, BGR, 15 Feb. 2022 The Bor family’s story begins in the rift valley of Kenya where the oldest six of seven siblings grew up in the running mecca of Eldoret, while the youngest, Hillary, went to live with his grand parents in Kaspabet. Orrin Konheim, Outside Online, 29 July 2021 Lake Kivu, located in a rift valley, neighbors two volcanoes: Nyiragongo and Nyamuragira. Rachael Lallensack, Smithsonian Magazine, 29 Oct. 2021 One of Iceland’s most popular tourist destinations, the park lies in a rift valley that marks the crest of the Mid-Atlantic Ridge and the boundary between the North American and Eurasian tectonic plates. Washington Post, 14 Oct. 2021 The Eastern Valley is a 45-mile long rift valley bounded by mountain chains and one of the richest agricultural regions in the world. Ann M. Cheney, The Conversation, 26 June 2020 East Africa’s rift valleys, the continent’s other great hominin fossil source, feature layers of volcanic ash that can be dated by measuring the decay of radioactive elements, thereby dating the fossils within. Brian Handwerk, Smithsonian Magazine, 2 Apr. 2020 It was nestled in a lush rift valley between the continents of Antarctica and Australia, surrounded by mountains covered in ferns, conifers, and ginkgo trees. Rachel Fritts, Ars Technica, 15 Jan. 2020 Geologists discovered that new seafloor is formed where the tectonic plates at the mid-ocean ridges spread apart from each other—hence the rift valley Tharp spotted at the mid-Atlantic ridge. Meg Neal, Popular Mechanics, 3 Aug. 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rift valley.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of rift valley

1894, in the meaning defined above

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The first known use of rift valley was in 1894

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Dictionary Entries Near rift valley

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Cite this Entry

“Rift valley.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rift%20valley. Accessed 29 Jun. 2022.

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