Copper metallogeny, north shore region of Lake Huron, Ontario

Petrogenetic of Igneous Complex of Ilota Nanasi Gold Deposit, Gunung Pani, Gorontalo, Indonesia

“…The oldest rocks unit in the North Arm of Sulawesi mainly occurred in the western part from Tolitoli and extend eastward to Pani, comprised of a metamorphic basement and Paleogene Tinombo Formation (Trail et al, 1974;Sukamto, 1973;Ratman, 1976;Kavalieris et al, 1982;Kavalieris et al, 1990;Carlile et al, 1990;Bachri et al, 1993;Maulana et al, 2019). The Tinombo Formation intruded by a series of Oligocene to Miocene granodiorite to monzonite e.g., in Palu has been dated 31 Ma (Sukamto, 1973), Pani dated 17.7 -12.6 Ma and Gorontalo dated 16.0 Ma (Pearson and Caira, 1999), and at Tolitoli has been dated 8.2 ± 0.2 to 7.2 ± 0.1 Ma (Maulana et al, 2016;Zhang et al, 2020). Most of these granitoid rocks along the North Arm of Sulawesi are grouped into magnetite series that show more intense mineralisation than the ilmeniteseries rocks commonly in the southern part of the island as reported by Maulana et al (2013).…”

“…The volcanic center intruded by hornblende and hornblende-biotite granodiorite that correlated with Pani Volcanics (Kavalieries et al, 1990) and other granitoids e.g., granite, dacite and quartz monzonite that mapped as Bumbubulan Granodiorite by Bachri et al (1993). Carlile et al, 1990;Bachri et al, 1993;Apandi and Bachri, 1997;Effendi and Bawono, 1997;Caira and Pearson, 1999)…”

“…1. Regional geology and mineral occurrences along the North Arm Sulawesi (modified afterCarlile et al, 1990;Bachri et al, 1993;Apandi and Bachri, 1997;Effendi and Bawono, 1997;Caira and Pearson, 1999)…”