groundmass

• Término geológico que designa el material cristalino de grano fino que forma la matriz en la que están incrustados cristales más grandes en una roca ígnea.

A geological term referring to the fine-grained crystalline material that forms the matrix in which larger crystals are embedded in an igneous rock.

incontable

1. Geological matrixC2formalscientific

   The fine-grained crystalline material in which larger crystals are embedded in igneous rocks.

   matriz o mesostasis de una roca ígnea

   • The groundmass of the basalt contains tiny crystals of feldspar.
   • Geologists study the groundmass to understand the cooling history of the rock.
   • Phenocrysts are often surrounded by a finer groundmass in porphyritic textures.

   Sinónimosbasematrix