greensand

• Ein olivgrüner Sandstein, der das Mineral Glaukonit enthält; auch ein grüner Sand, der reich an Glaukonit ist.

A noun referring to an olive-green sandstone that contains the mineral glauconite.

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1. Olive-green sandstoneC1formalscientific

   A sedimentary rock that has an olive-green color due to the presence of the mineral glauconite.

   Grünsandstein

   • The cliffs along the coast are composed of greensand.
   • Geologists study greensand formations to understand ancient marine environments.
   • Greensand is often used as a soil conditioner because of its potassium content.