chert

• Roca sedimentaria dura y densa compuesta de cuarzo microcristalino, una variedad de sílice. Se emplea como término geológico para designar sílex o pedernal de grano fino.

A hard, dense, sedimentary rock composed of microcrystalline quartz, a variety of silica.

incontable

1. Microcrystalline quartz rockC1formalscientific

   A hard, dense sedimentary rock composed of microcrystalline quartz, often found in nodules or layers within limestone.

   chert (sílex)

   • The geologist identified the sample as chert due to its conchoidal fracture.
   • Ancient toolmakers used chert to create sharp-edged blades and arrowheads.
   • Chert nodules are commonly found embedded in chalk deposits.

   Sinónimosflint