noun[mass noun] Geology
1A greenish kind of sandstone, often loosely consolidated.
- The sample was taken from a thin limestone lens with phosphatic oolites within the phosphatic greensand.
- Use additions of mineral-rich materials such as rock phosphate or greensand to tailor the nutrients in your compost to match the needs of your soil and plants.
- They lie on a fault line created by a seam of greensand, which runs for 200 miles from Lyme Regis to the Wash, taking in the edge of the Bowood Estate.
1.1 (usually the Greensand) A stratum largely composed of greensand, deposited during the Cretaceous period and often underlying chalk: the Upper Greensand
More example sentences
- Overlying the Jurassic succession, a thin sequence of basal Cretaceous strata including the Greensand is characterized by radial outward dips.
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