contact vein

contact vein

[′kän‚takt ‚vān]
(geology)
A variety of fissure vein formed by deposition of minerals in a fault fissure at a rock contact.
A replacement vein formed by mineralized solutions percolating along the more permeable surface areas of the contact.
References in periodicals archive ?
6 meter wide quartz contact vein, with a strike length of at least 40 meters inferred from two outcrops, at the stratigraphic bottom (north) of the intrusion.