(3) ore carrying small particles of valuable minerals spread more or less uniformly through the worthless minerals, as distinct from massive ore, in which valuable materials occur in almost solid form with little waste material included.

Ore carrying small particles of valuable minerals, spread through the gangue matter.

A scattered distribution of generally fine-grained metal-bearing minerals throughout a rock body, in sufficient quantity to make the deposit an ore.

Said of a mineral deposit (esp. of metals) in which the desired minerals occur as scattered particles in the rock, but in sufficient quantity to make the deposit an ore.

ore bearing small particles of valuable minerals spread throughout the rock

Ore carrying small particles of valuable minerals spread more or less uniformly through the host rock.