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词汇 greensand
释义

Definition of greensand in English:

greensand

noun ˈɡriːnsandˈɡrēnsand
mass nounGeology
  • 1A greenish kind of sandstone, often loosely consolidated.

    〔地质〕海绿石砂岩

    Example sentencesExamples
    • From that point upstream the sub-soil was composed of laminated greensand, that is, clay containing glauconite interspersed with discrete bands of fine-grained sand.
    • 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.
    • Derived from the prehistoric deposits of marine creatures, greensand is good for loosening-up compacted soils.
    • 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. 1.1 A stratum largely composed of greensand, deposited during the Cretaceous period and often underlying chalk.
      海绿石砂岩地层
      the Upper Greensand
      Example sentencesExamples
      • Overlying the Jurassic succession, a thin sequence of basal Cretaceous strata including the Greensand is characterized by radial outward dips.

Definition of greensand in US English:

greensand

nounˈɡrēnsand
Geology
  • A greenish kind of sandstone, often loosely consolidated.

    〔地质〕海绿石砂岩

    Example sentencesExamples
    • 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.
    • From that point upstream the sub-soil was composed of laminated greensand, that is, clay containing glauconite interspersed with discrete bands of fine-grained sand.
    • Derived from the prehistoric deposits of marine creatures, greensand is good for loosening-up compacted soils.
    • The sample was taken from a thin limestone lens with phosphatic oolites within the phosphatic greensand.
    • 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.
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