Nowe dane o minerałach wietrzeniowych złoża Miedzianka-Ciechanowice w Rudawach Janowickich (Dolny Śląsk, Polska)

The abandoned deposit of polymetallic ore in Miedzianka-Ciechanowice is located in the northern part of the Kowary-Czarnów Unit, within the eastern metamorphic cover of the Karkonosze granite. This deposit is formed mainly of hydrothermal veins related to the Karkonosze granite and Intra-Sudetic Fault. Lenses-forming contact-metasomatic ores are also present. The ore assemblages are rich in Cu, and poor in Pb, Ag, As and Fe. The Miedzianka- -Ciechanowice deposits were mined from the early Middle Ages to the middle of the 20th