sedimentary rock

Cultural  

1. Rock that has formed through the deposition and solidification of sediment, especially sediment transported by water (rivers, lakes, and oceans), ice (glaciers), and wind. Sedimentary rocks are often deposited in layers, and frequently contain fossils.

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Limestone and shale are common sedimentary rocks.

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sedimentary rock

Workers were digging in a fossil-rich sedimentary rock unit known as the Santiago Formation.

From Los Angeles Times ● Sep. 24, 2026

Shale is, after all, the most common sedimentary rock and found all over the world.

From The Wall Street Journal ● Feb. 10, 2026

The Nanushuk Formation is an outcropped layer of sedimentary rock 800 to 5,000 feet thick across the central and western North Slope.

From Science Daily ● Mar. 12, 2024

But which sedimentary rock is that metamorphic rock derived from, hmm?

From Slate ● Jan. 12, 2024

The organ-pipes were basaltic** in character but, to my great joy, I found the beacons were of sedimentary rock.

From The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 by Sir Douglas Mawson

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