Deposit formation through brecciation involving explosion, hydrothermal or tectonic breccias might explain these data.
Ulf Kempe, Torsten Graupner, Reimar Seltmann, Hugo de Boorder, Alla Dolgopolova, MaartenZeylmans van Emmichoven 2016, 'The Muruntau gold deposit (Uzbekistan) – A unique ancient hydrothermal system in thesouthern Tien Shan', Geoscience Frontiershttp://www.sciencedirect.com/science/article/pii/S1674987115001139. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)