From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
vein of ore /vˈeɪn ɒv ˈɔː/
Erzader <fem>, Ader <fem>, Erzgang <masc> [min.] [geol.]
Synonyms: lode of ore, ore lode, metalliferous lode, lode, ledge, ore vein, metalliferous vein, vein
see: ore lodes, metalliferous lodes, lodes, ledges, ore veins, metalliferous veins, veins, belly of ore, belly, blind lode, blind vein, blind apex, gash vein, strong vein, counterlode, cropout lode, cropout vein, outcrop, basset, dropper, subterranean outcrop, subscrop