african plate aluminium amurian plate anatolian plate antarctic plate apulian plate arabian plate baltic plate basalt bellingshausen plate burma plate caribbean plate charcot plate cimmerian plate cocos plate continental crust density easter plate eurasian plate explorer plate farallon plate felsic galapagos microplate gorda plate granite indian plate indo-australian plate insular plate intermontane plate izanagi plate jan mayen plate juan de fuca plate kula plate lhasa plate lithosphere mafic magnesium nazca plate new hebrides plate north american plate oceanic crust okhotsk plate orogeny pacific plate philippine plate phoenix plate plate tectonics rivera plate scotia plate sial silicon solomon sea plate somali plate south american plate south sandwich plate sunda plate tonga plate