composite vein

composite vein

[kəm′päz·ət ′vān]
(geology)
A large fracture zone composed of parallel ore-filled fissures and converging diagonals, whose walls and intervening country rock have been replaced to a certain degree.
References in periodicals archive ?
The Mala Noche Footwall target is a composite vein and breccia body hosted in a parallel to sub-parallel structure adjacent to the main production horizon at Cozamin, the Mala Noche vein.
For Ayelen and Odin, AMEC used the composite vein true thicknesses and grades provided by Minera Andes.
Paving the way for future feminist writers and thinkers, these authors represent a rich composite vein to be mined at will.