Sphalerite-rich colloform ore

 

Sphalerite-rich colloform ore

 

Ore deposit type: Hydrothermal in sedimentary environments, Mississippi Valley type (MVT), Alpine subtype

Provenance: Raibl Mine, Cave del Predil (NE Italy)

Description: Colloform bands of Fe sulphides (pyrite or marcasite; yellow, metallic), sphalerite (yellowish to brown), barite and dolomite (white), forming the infill of a dissolution cavity in a carbonate platform.

 

Link to the italian version