HYDROTHERMAL VEIN DEPOSITS OF NEOGENE AGE, N.W. ROMANIA by Nigel J. Cook Mineralogisches Institut der...polymetallic vein mineralisation of Neogene age, N.W. Romania. Paragenenetic and mineral compositional data are...lillianite-gustavite, ãschirmeriteÒ, heyrovskyite, matildite, berryite and wittichenite are the most abundant Bi-sulphosalts...comparable with those recently described from the Toroioaga vein systems, Baia Borha district (COOK, 1997)...ores of the Neogene metallogenic province, N.W. Romania is therefore not only of topographic interest but |