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Text File  |  1999-10-31  |  3KB  |  1 lines
  1. CO   Undifferentiated Carboniferious to Ordovician rocks          57Cmsm Cambrian sedimentary and metamorphic rocks                   58Cs   Carboniferious sedimentary rocks                             39D    Devonian rocks                                               43Gry   Other regions                                               70H2O                                                               69I    Undifferentiated igneous rocks                               29JTr  Triassic and Jurassic rocks                                  26Jim  Jurassic igneous and metamorphic rocks                       34Jms  Jurassic metamorphic and sedimentary rocks                   22KJim Jurassic and Cretaceous igneous and metamorphic rocks        34KJs  Undifferentiated Jurassic and Cretaceous sedimentary rocks   21KTrs Middle Triassic - Lower Cretaceous sedimentary rocks         25Kim  Cretaceous igneous and metamorphic rocks                     34Ks   Cretaceous sedimentary rocks                                 17MzPziPaleozoic and Mesozoic metamorphic and intrusive rocks       31Mzim Mesozoic intrusive and metamorphic rocks                     34N    Neogene sedimentary rocks                                    71Oms  Ordovician metamorphic and sedimentary rocks                 53Pg   Paleogene sedimentary rocks                                  76Pr   Permian rocks                                                35Prim Permian intrusive and metamorphic rocks                      64Pz   Undifferentiated Paleozoic rocks                             61Pzi  Paleozoic igneous rocks                                      64Pzl  Lower Paleozoic rocks                                       160Pzu  Upper Paleozoic metmorphic and intrusive rocks              159Q    Quaternary sediments                                          1Qs   Quaternary sand and dunes                                     4S    Silurian rocks                                               48SOc  Ordovician and Silurian carbonates                           52TKim Cretaceous and Tertiary igneous and metamorphic rocks        11TKs  Cretaceous and Tertiary sedimentary rocks                    15TKv  Cretaceous-Paleocene volcanics                                5Ti   Tertiary igneous rocks                                        8TrCs Upper Carboniferious - Lower Triassic sedimentary rocks      38TrPr Permian and Triassic rocks                                   63Trms Triassic metamorphic and sedimentary rocks                   27Ts   Tertiary sedimentary rocks                                    6Tv   Tertiary extrusive rocks                                      7pC   undivided Precambrian rocks                                  68