90 Sediment load determines the shape of rivers.
https://www.pnas.org/content/118/49/e2111215118
89 Discovery of davemaoite, CaSiO3-perovskite, as a mineral from the lower mantle.
https://www.science.org/doi/10.1126/science.abl8568
88 Mountain building was not very active for about a billion years of Earth’s history.
https://science.sciencemag.org/content/371/6530/728
87 Antarctica’s wilderness fails to capture continent’s biodiversity.
https://www.nature.com/articles/s41586-020-2506-3
86 Paleoindian ochre mines in the submerged caves of the Yucatán Peninsula, Quintana Roo, Mexico.
https://advances.sciencemag.org/content/6/27/eaba1219
85 Early human occupation of southeastern Australia: New insights from 40Ar/39Ar dating of young volcanoes.
https://pubs.geoscienceworld.org/gsa/geology/article-abstract/doi/10.1130/G47166.1/581018/Early-human-occupation-of-southeastern-Australia?redirectedF
84 Australasian impact crater buried under the Bolaven volcanic field, Southern Laos.
https://www.pnas.org/content/117/3/1346
83 Deep glacial troughs and stabilizing ridges unveiled beneath the margins of the Antarctic ice sheet.
https://www.nature.com/articles/s41561-019-0510-8
82 The first day of the Cenozoic.
https://www.pnas.org/content/116/39/19342
81 Kimberlites reveal 2.5-billion-year evolution of a deep, isolated mantle reservoir.
https://www.nature.com/articles/s41586-019-1574-8
80 African biomass burning is a substantial source of phosphorus deposition to the Amazon, Tropical Atlantic Ocean, and Southern Ocean.
https://www.pnas.org/content/116/33/16216
79 Radiocarbon and geologic evidence reveal Ilopango volcano as source of the colossal ‘mystery’ eruption of 539/40 CE.
https://www.sciencedirect.com/science/article/abs/pii/S0277379119301465?via%3Dihub
78 Variability in Earth’s thermal gradients, recorded by metamorphic rocks through time, shows that Earth’s modern plate tectonics developed gradually since the Neoarchaean era, three billion years ago.
https://www.nature.com/articles/s41586-019-1462-2
77 Stranded landscapes in the humid tropics: Earth's oldest land surfaces.
https://www.sciencedirect.com/science/article/pii/S0012821X19302171
76 Self-formed bedrock waterfalls.
https://www.nature.com/articles/s41586-019-0991-z
75 Inferring Earth’s discontinuous chemical layering from the 660-kilometer boundary topography.
http://science.sciencemag.org/content/363/6428/736
74 The current phase of subduction of the Nazca slab was established in the Peruvian Andes after a plate reorganization around 80 million years ago and then propagated progressively southwards.
https://www.nature.com/articles/s41586-018-0860-1
73 Sound velocity of CaSiO3 perovskite suggests the presence of basaltic crust in the Earth’s lower mantle.
https://www.nature.com/articles/s41586-018-0816-5
72 Neural networks trained on data from about 130,000 aftershocks from around 100 large earthquakes improve predictions of the spatial distribution of aftershocks and suggest physical quantities that may control earthquake triggering.
https://www.nature.com/articles/s41586-018-0438-y
71 Ultrastable laser interferometry for earthquake detection with terrestrial and submarine cables.
http://science.sciencemag.org/content/361/6401/486
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