Related by context. Frequent words. (Click for all words.) 43 Weddell Sea 41 Antarctic Peninsula 40 Antarctic ice 40 Carboniferous 39 Antarctica 39 sediment cores 38 glaciers 38 marine sediments 38 glacier 38 Eocene 38 Cretaceous Period 38 glacial 38 Greenland 38 intertidal 38 stalagmites 38 diatom 38 melting glacier 38 retreating glaciers 37 Sediments 37 Arctic Ocean 37 musk oxen 37 Greenland Ice 37 Lake Agassiz 37 Quaternary 37 Pliocene 37 landforms 36 Antarctic 36 interglacial period 36 Pleistocene 36 Glacial 36 Martian landscape 36 Holocene 36 basalt 36 lunar soil 36 basalts 36 polar caps 36 Earth crust 36 oceanographers 36 glaciation 36 Younger Dryas 35 Wrangell St 35 Greenland glaciers 35 Greenland ice 35 dinosaurs roamed 35 silty 35 icecaps 35 Wilkins Ice Shelf 35 sedimentary rock 35 Ordovician 35 sediments 35 moraines 35 microfossils 35 lichen 35 Cretaceous 35 icecap 35 Permafrost 35 Antarctic peninsula 35 lichens 35 glaciated 34 Antarctic Ice 34 Ellesmere Island 34 geologic 34 marine organisms 34 Ross Ice Shelf 34 glacial ice 34 lake sediments 34 mammoths 34 ocean 34 coral reef 34 Saturn moons 34 magma chamber 34 calcite 34 glacial lake 34 Seward Peninsula 34 icebergs 34 reefs 34 mid latitudes 34 plankton 33 glaciers melt 33 Arctic explorer 33 mass extinctions 33 geologically 33 crater rim 33 polar 33 paleo 33 Arctic 33 anoxic 33 interglacial 33 permafrost 33 arctic 33 Precambrian 33 continental crust 33 Meridiani 33 lavas 33 Late Cretaceous 33 solar nebula 33 seamounts 33 sequoias 32 graben 32 olivine 32 aspen trees