chert meaning in Hindi

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They used spears made of bone, jasper or black chert.
The chytrids display a range of behaviour in the Rhynie chert.
Siliceous ooze are modified and transformed during burial into bedded cherts.
Most of them are crude cutting instruments made of chert and shale,
Chert also occurs in diatomaceous deposits and is known as diatomaceous chert.
Chert also occurs in diatomaceous deposits and is known as diatomaceous chert.
Cherts are subject to problems when used as concrete aggregates.
The red Strong Island Chert for instance rests on ophiolites.
Several different kinds of chert were available in the area.
Breccia, chert, calcite and gypsum deposits can also be found.

noun.