Eastern rim of Tichka massif.
Mineralized quartz lenses in Cambrian volcano-detritic series.
The mineralization is related to the intrusion of Tichka granitic pluton.
Main mineralization: pyrrhotite, arsenopyrite, pyrite.
Late stage in cracks: gold, bismuthinite, joseite, maldonite, chalcopyrite, arsenopyrite, gold-bismuth-lead sulphide and other bismuth-lead sulphides and sulpho-tellurides.
Ref.:
Y. Moëlo : "Compte-rendu de la réunion "Systématique des Minéraux" du 23 novembre 1989", Bull. Soc. Franç. Minéral. , France.