Related by context. Frequent words. (Click for all words.) 50 Poinar 46 geomorphology 45 stromatolites 45 geology 44 foraminifera 43 marine sediments 42 marine biology 42 MBARI 42 microfossils 42 Paleocene 42 geologic 41 marine invertebrates 41 plate tectonics 41 oceanographers 41 paleontology 41 biogeography 41 Oceanographers 40 sediment cores 40 crustal 40 continental crust 40 landforms 40 Ausubel 40 fossils 40 palaeontology 39 diatoms 39 Mullineaux 39 paleontological 39 lake sediments 39 geological sciences 39 Woods Hole Oceanographic 39 isotopic composition 39 University Lamont Doherty 39 planktonic 38 sediments 38 flora fauna 38 volcanology 38 tectonics 38 vertebrate paleontology 38 Earth crust 38 geological 38 magma chamber 38 seismicity 38 mineralogy 38 A'Hearn 38 oceanography 38 biogeochemistry 37 Dziak 37 volcanism 37 continental drift 37 marine reptiles 37 archaeological 37 paleontologists 37 fossil 37 ecology 37 earth crust 37 archeological 37 trilobites 36 aerosol particles 36 fluvial 36 feathered dinosaurs 36 dinosaur bones 36 Melosh 36 geologists 36 aquatic biologist 36 archeology 36 diatom 36 geoscientist 36 Astrophys 36 botany 36 Oceanographer 36 volcanic 36 rock outcropping 36 hydrogeology 36 glacial melt 36 Burgess Shale 36 Lamont Doherty Earth 36 methane 36 oceanographer 35 geochemistry 35 Geologists 35 methane hydrate 35 journal Geology 35 Paleontology 35 paleo 35 basaltic 35 oceanography professor 35 bathymetry 35 planetary science 35 Colaprete 35 geological formations 35 Quaternary 35 lavas 35 single celled 35 anthropology 35 rock outcrops 34 carbon dioxide sequestration 34 biological sciences 34 solar nebula 34 numerical simulations 34 paleontologist 34 geologically