Page 5 - i1052-5173-29-5_flip-compressed (1)
P. 5

60°N      30°N     0°        30°S      60°S  A
                 km C         0°    Isabela Island  Goro  30°S           C               New  Caledonia

                1 000                        New Caledonia  Tiébaghi  Koniambo  Philippines  Indonesia  150°E
                                 Papua New Guinea                                PNG  Australia


             150°E                  Ramu     Greenvale  150°E                                         120°E

                              Cycloops             Australia         Myanmar



                    Philippines  Casiguran  Pujada  Murrin Murrin  Bulong  India                      90°E

                 Acoje/Zambales  Mindoro  Weda Bay  Soroako  Indonesia  Russia        Madagascar      60°E



             120°E    Berong                          Cawse  120°E           Ethiopia  Burundi
                              0°                       30°S         Greece                            30°E
                 Ni Laterite type deposits  Hydrous Mg-Ni silicate  60°W  60°W  60°W  Oxide  Clay  Loma de Hierro  60°W  0°  Ivory Coast Cameroon  0° Figure 1. (A) Global resource of Ni metal contained in laterite type deposits by country (after Berger et al., 2011). The intertropical zone, where most of the deposits are  located, is highlighted. Orange dashed areas represent the envelope of the world’s main lateritic zones (after Tardy, 1993). Weathering profiles being highl












             Ac ve subduc on zones  Marginal basins  Cuba  Nicaro  Moa  Falcondo  Dominican  Republic  Cerro Matoso  Venezuela  Colombia  30°W  60°W  Cuba  Brazil  30°W  60°W






                        San Felipe  Camaguey  Punta Gorda  90°W


                                 Baja Verapaz                                B          New Caledonia  Philippines


                    90°W                    90°W                USA                  Resources    Indonesia      and deposit types. PNG—Papua New Guinea.
                                  Guatemala  km       Mt Ni metal contained  10 - 20  20 - 30  Age of the weathering  Miocene to Present  Cretaceous to Paleocene  Cuba



                                       1 000        150°W  150°W  150°W  < 10   Mesozoic  Rest of   the world  Australia  Brazil


                                            B                        30°N     0°








                                                                                       www.geosociety.org/gsatoday  5
   1   2   3   4   5   6   7   8   9   10