peridotite
noun
pe·ri·do·tite
pə-ˈri-də-ˌtīt 
: any of a group of granular igneous rocks composed of ferromagnesian minerals and especially olivine
Examples of peridotite in a Sentence
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Utilizes minerals like olivine and peridotite that chemically react with CO₂, turning them into stable solid forms like carbonates which can be stored in the subsurface.
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Rob Van Straten, Forbes, 31 Oct. 2024
As the National Academies report explains, carbon-dioxide–rich fluids injected into basalt or peridotite formations (two kinds of igneous rock that make up much of the earth’s mantle) react with the rock, converting the dissolved carbon dioxide into solid carbon-containing minerals.
—Fred Krupp, Foreign Affairs, 12 Feb. 2019
For example, scientists are studying how the surface-level peridotite in Oman’s rock formations reacts with the air and absorbs large amounts of carbon.
—Fred Krupp, Foreign Affairs, 12 Feb. 2019
Different layers of the mantle are made up of different rock types, and one of the most common is an igneous rock high in silica content called peridotite.
—Riley Black, Smithsonian Magazine, 24 July 2024
The team drilled down an astonishing 4,160 ft (1,268 m) into the peridotite, and recovered 71% of the rock.
—Michael Irving, New Atlas, 9 Aug. 2024
In the case of peridotite, geologists have found that very old remnants from Earth’s mantle are much less oxidized than those of the modern mantle.
—Riley Black, Smithsonian Magazine, 24 July 2024
This movement stripped the upper crust from the rising peak, exposing swaths of its peridotite core.
—Quanta Magazine, 4 Jan. 2024
A bit taller than Mount Rainier, this submarine mountain is largely made of peridotite, a type of rock that dominates the upper mantle.
—Quanta Magazine, 4 Jan. 2024
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Rob Van Straten, Forbes, 31 Oct. 2024
As the National Academies report explains, carbon-dioxide–rich fluids injected into basalt or peridotite formations (two kinds of igneous rock that make up much of the earth’s mantle) react with the rock, converting the dissolved carbon dioxide into solid carbon-containing minerals.
—Fred Krupp, Foreign Affairs, 12 Feb. 2019
For example, scientists are studying how the surface-level peridotite in Oman’s rock formations reacts with the air and absorbs large amounts of carbon.
—Fred Krupp, Foreign Affairs, 12 Feb. 2019
Different layers of the mantle are made up of different rock types, and one of the most common is an igneous rock high in silica content called peridotite.
—Riley Black, Smithsonian Magazine, 24 July 2024
The team drilled down an astonishing 4,160 ft (1,268 m) into the peridotite, and recovered 71% of the rock.
—Michael Irving, New Atlas, 9 Aug. 2024
In the case of peridotite, geologists have found that very old remnants from Earth’s mantle are much less oxidized than those of the modern mantle.
—Riley Black, Smithsonian Magazine, 24 July 2024
This movement stripped the upper crust from the rising peak, exposing swaths of its peridotite core.
—Quanta Magazine, 4 Jan. 2024
A bit taller than Mount Rainier, this submarine mountain is largely made of peridotite, a type of rock that dominates the upper mantle.
—Quanta Magazine, 4 Jan. 2024
Cite this Entry
“Peridotite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peridotite. Accessed 2 Jul. 2025.
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