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Location: 47 km NE from Ilomantsi, Finland
Pampalontie 11IlomantsiFinland82967
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The Hosko zone represents the northeastern part of the Hattu schist belt, and is distinctive in terms of the asymmetric doubly plunging folds and the extensive seritic alteration of epiclastic or pyroclastic depos-its, which evidently predates regional foliation development, and is therefore likely a product of sub-marine volcanic-related hydrothermal processes. Mineralization has been delineated over about 600 m of strike length, and varies from 2-15 m in width, with sporadic drill hole intersections yielding exceptionally high Au abundances. Variations in grain size and the erratic distribution of mineralization have also made resource estimation more diffi-cult. The mineralized zone corresponds to a distinct IP anomaly, which can be traced southward from Hosko for several kilometers toward the Kuivisto deposit in the Pampalo zone.The 2024 drill program reported at Hosko successfully penetrated the quartz-tourmaline breccia along extensions of previously known perforations, in the direction of local extension. This confirmed the continuity of the gold-bearing breccia down-dip. The distribution of high gold grades within the quartz-tourmaline breccia is being further investigated. In particular, the structural control of the newly identified new breccia pipes is being investigated. The gold-bearing mineralization occurs as sulfide-bearing quartz-tourmaline breccias, which are hosted by heavily weathered and sericitized metasedimentary rocks.
