Evolution of borate minerals from contact metamorphic to hydrothermal stages: Ludwigite-group minerals and szaibélyite from the Vysoká – Zlatno skarn, Slovakia

Borate minerals of the ludwigite group (LGM) and szaibelyite in association with hydroxylclinohumite, clinochlore, a serpentine mineral, magnesian magnetite, spinel, magnesite, dolomite and sulphide minerals, occur in a magnesian exoskarn in the R-20 borehole located in the Vysoka – Zlatno Cu-Au porphyry-skarn deposit, located within the Stiavnica Neogene stratovolcano, Western Carpathians, central Slovakia. The skarn is developed along the...