<> "The repository administrator has not yet configured an RDF license."^^ . <> . . . "The Vihanti-Pyhäsalmi VMS Belt"^^ . "The Vihanti-Pyhäsalmi belt contains the most important volcanogenic massive sulfide (VMS) deposits in\r\nFinland. The volcano-sedimentary host rocks belong to a 1.93–1.92 Ga island arc that occurs along the\r\nnorthwestern parts of the Raahe-Ladoga shear complex. The stratigraphy in the region is divided into two\r\nunits, a lower bimodal volcanic unit conforming to the Pyhäsalmi group and an upper volcano-sedimentary\r\nassociation defined as the Vihanti group. The U-Pb zircon ages of the two groups are similar.\r\nThe Vihanti-Pyhäsalmi belt hosts two large VMS deposits, Pyhäsalmi in the Pyhäsalmi group and Vihanti in\r\nthe Vihanti group, as well as a number of small sulfide deposits located around them. The Pyhäsalmi\r\ndeposit is hosted by rhyolitic and basaltic volcanic rocks, contains 75.7 Mt of pyritic mineralization grading\r\n0.9% Cu, 1.9% Zn, 0.4 g/t Au, and 14.1 g/t Ag, and hosts the only currently producing mine (2014) in the\r\nbelt. The Vihanti mine operated from 1954–1992, producing 28 Mt at 5.12% Zn, 0.48% Cu, 0.36% Pb, 25\r\nppm Ag, and 0.49 ppm Au. The Vihanti deposit and three minor satellite mineralizations are hosted in a\r\nsequence dominated by intermediate and felsic metavolcanic rocks."^^ . "2015" . . "7" . . "Elsevier"^^ . . "Elsevier"^^ . . . . . . . . . . . . . . . . . . . . . . . . "Jukka"^^ . "Kousa"^^ . "Jukka Kousa"^^ . . "Marcello"^^ . "Imaña"^^ . "Marcello Imaña"^^ . . "Hugh"^^ . "O'Brian"^^ . "Hugh O'Brian"^^ . . "Raimo"^^ . "Lahtinen"^^ . "Raimo Lahtinen"^^ . . "Wolfgang Derek"^^ . "Maier"^^ . "Wolfgang Derek Maier"^^ . . "Jouni"^^ . "Luukas"^^ . "Jouni Luukas"^^ . . "Timo"^^ . "Mäki"^^ . "Timo Mäki"^^ . . . . . "HTML Summary of #2010 \n\nThe Vihanti-Pyhäsalmi VMS Belt\n\n" . "text/html" . . . "Other-additional study" . . . "Pyhäjärvi" . . . "Underground mining" . .