Why is "Oligocene" trending?
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Trend Analysis
- Ranking position: #
- Date: 2026-04-12 13:40:36
This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.
Trend Insight
Oligocene entered the ranking for the first time today at position #. This is its highest position ever recorded.
Trend History
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-04-12 and was most recently seen on 2026-04-12.
Wikipedia Overview
The Oligocene is a geologic epoch of the Paleogene Period that extends from about 33.9 million to 23 million years before the present. As with other older geologic periods, the rock beds that define the epoch are well identified but the exact dates of the start and end of the epoch are slightly uncertain. The name Oligocene was coined in 1854 by the German paleontologist Heinrich Ernst Beyrich from his studies of marine beds in Belgium and Germany. The name comes from Ancient Greek ὀλίγος (olígos), lit. 'few', and καινός (kainós), lit. 'new', and refers to the sparsity of extant forms of molluscs. The Oligocene is preceded by the Eocene Epoch and is followed by the Miocene Epoch. The Oligocene is the third and final epoch of the Paleogene Period.
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Trending Topic Today
Search Interest Perspective
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Primate - Oligocene, Evolution, Adaptations - britannica.com
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Complex marine ecological response during the Eocene-Oligocene revealed by global foraminiferal record - Nature
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Swinging abyss: Oxygen isotope analysis shows less dynamic Antarctic ice sheet in Oligocene period - Phys.org
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Quantification of the Eocene–Oligocene transition in the Zagros Foreland Basin: Palaeogeographic control on sequence architecture and tectonic signal preservation - Rokni - 2026 - The Depositional Record - Wiley Online Library
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Late Eocene to Oligocene intracontinental deformation and growth of the northwestern Tibetan Plateau - Nature
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Sediment routing from the Red River to the Yinggehai Basin during late Oligocene: detrital zircon fingerprinting of basin-mountain coupling - Frontiers
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Oligocene-Period Fossils Provide Evidence of Pollination Interaction between Flowers and Bumblebees - sci.news
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The enigma of Oligocene climate and global surface temperature evolution - PNAS
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Oligocene Epoch in Florida – For Educators - Florida Museum of Natural History
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Short-term Antarctic ice-sheet dynamics during the late Oligocene - Nature
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Fossil of Carnivorous ‘Swamp Monster’ Found in Brazil - sci.news
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North Atlantic Temperature Change Across the Eocene-Oligocene Transition From Clumped Isotopes - agupubs.onlinelibrary.wiley.com
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Drivers of the artiodactyl turnover in insular western Europe at the Eocene–Oligocene Transition - PNAS
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Oligocene deep ocean oxygen isotope variations primarily driven by temperature - Nature
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Oligocene Orogen-Parallel Extension in Southern Tibet During Indian Continental Subduction - agupubs.onlinelibrary.wiley.com
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Molecular fingerprinting of microbial consortia in late Oligocene microbialite architectures from a freshening Junggar paleolake, Central Asia | Communications Earth & Environment - Nature
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-adrenergic receptor may underlie their thick blubber and an Oligocene radiation and dispersal - Nature
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Strength and variability of the Oligocene Southern Ocean surface temperature gradient - Nature
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Southern Ocean biogenic blooms freezing-in Oligocene colder climates - Nature
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An Oligocene giant rhino provides insights into Paraceratherium evolution | Communications Biology - Nature
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Ice sheet–free West Antarctica during peak early Oligocene glaciation - Science | AAAS
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No mass extinction for South American mammals at the Eocene–Oligocene transition - PNAS
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Saudi researchers uncover 34-million-year-old marine formation in Jouf - Arab News PK
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Multi-proxy evidence for sea level fall at the onset of the Eocene-Oligocene transition - Nature
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Arctic closure as a trigger for Atlantic overturning at the Eocene-Oligocene Transition - Nature
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Oligocene moisture variations as evidenced by an aeolian dust sequence in Inner Mongolia, China - Nature
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Collision Timing and Provenance Shifts from the Late Oligocene to Middle Miocene in the Southeasternmost Zagros Orogen - Nature
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Global change across the Oligocene-Miocene transition: High-resolution stable isotope records from IODP Site U1334 (equatorial Pacific Ocean) - agupubs.onlinelibrary.wiley.com
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Evidence for ephemeral middle Eocene to early Oligocene Greenland glacial ice and pan-Arctic sea ice - Nature
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Beyond the ice: shifts in productivity and carbonate oversaturation at the Eocene–Oligocene transition - Nature
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Proxy‐Model Comparison for the Eocene‐Oligocene Transition in Southern High Latitudes - agupubs.onlinelibrary.wiley.com
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Oligocene-Early Miocene Topographic Relief Generation of Southeastern Tibet Triggered by Thrusting - agupubs.onlinelibrary.wiley.com
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Palaeontological evidence for an Oligocene divergence between Old World monkeys and apes - Nature
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Methane hydrate dissociation across the Oligocene–Miocene boundary - Nature
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Orbital climate variability on the northeastern Tibetan Plateau across the Eocene–Oligocene transition - Nature
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Oligocene/Early Miocene E/W-Shortening in the Oman Mountains Related to Oblique Arabia-India Convergence - agupubs.onlinelibrary.wiley.com
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Impact of Eocene-Oligocene Antarctic Glaciation on the Paleoceanography of the Weddell Sea - agupubs.onlinelibrary.wiley.com
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Characteristics of the early miocene globigerinid-rich siliciclastic-carbonate reservoirs in ultra-deep water areas of the Baiyun sag, pearl river mouth basin, South China sea - Frontiers
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A new family of diprotodontian marsupials from the latest Oligocene of Australia and the evolution of wombats, koalas, and their relatives (Vombatiformes) | Scientific Reports - Nature
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Oceanography of the Eastern Equatorial Pacific Ocean Across the Oligocene-Miocene Transition - agupubs.onlinelibrary.wiley.com
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Eocene to late Oligocene history of crustal shortening within the Hoh Xil Basin and implications for the uplift history of the northern Tibetan Plateau - agupubs.onlinelibrary.wiley.com
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The Climate-Driven Mass Extinction No One Had Seen - Duke Today
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New Constraints on the Late Oligocene-Miocene Thermo-Tectonic Evolution of the Southeastern Tibetan Plateau From Low-Temperature Thermochronology - agupubs.onlinelibrary.wiley.com
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Erosion and deposition beneath the Subantarctic Front since the Early Oligocene - Nature
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Synchronous turnover of flora, fauna and climate at the Eocene–Oligocene Boundary in Asia - Nature
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Ruminants reveal Eocene Asiatic palaeobiogeographical provinces as the origin of diachronous mammalian Oligocene dispersals into Europe - Nature
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Large obliquity-paced Antarctic ice-volume fluctuations suggest melting by atmospheric and ocean warming during late Oligocene | Communications Earth & Environment - Nature
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Late Oligocene Formation of the Pearl River Triggered by the Opening of the South China Sea - agupubs.onlinelibrary.wiley.com
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The earliest Tyrannida (Aves, Passeriformes), from the Oligocene of France - Nature
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Deep water inflow slowed offshore expansion of the West Antarctic Ice Sheet at the Eocene-Oligocene transition - Nature
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Continental ice in Greenland during the Eocene and Oligocene - Nature
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Heterogeneity in global vegetation and terrestrial climate change during the late Eocene to early Oligocene transition - Nature
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An early Oligocene fossil demonstrates treeshrews are slowly evolving “living fossils” - Nature
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Equatorial Pacific productivity changes near the Eocene‐Oligocene boundary - Moore - 2014 - Paleoceanography - agupubs.onlinelibrary.wiley.com
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Eocene and Oligocene ceriantharian tubes - Cambridge University Press & Assessment
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Early Oligocene Surface Uplift in Southwestern Montana During the North American Cordilleran Extension - agupubs.onlinelibrary.wiley.com
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Export of nutrient rich Northern Component Water preceded early Oligocene Antarctic glaciation - Nature
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The Role of Transpressional Tectonics, Volcanism, and Fluvial Processes on the Oligocene to Pliocene Evolution of Intermontane Basins of the Western Colombian Andes - agupubs.onlinelibrary.wiley.com
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Tarsier-like locomotor specializations in the Oligocene primate Afrotarsius - PNAS
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Atmospheric carbon dioxide through the Eocene–Oligocene climate transition - Nature
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Adaptations of Coccolithophore Size to Selective Pressures During the Oligocene to Early Miocene High CO - agupubs.onlinelibrary.wiley.com
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Late Oligocene–Early Miocene magnetochronology of the mammalian faunas in the Lanzhou Basin–environmental changes in the NE margin of the Tibetan Plateau - Nature
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Fluid evolution and related fluid–rock interactions of the Oligocene Zhuhai sandstones in the Baiyun Sag, northern margin of the South China Sea - Nature
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Fossil evidence for vampire squid inhabiting oxygen-depleted ocean zones since at least the Oligocene - Nature
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Thrace Basin—An Oligocene Clastic Basin Formed During the Exhumation of the Rhodope Complex - agupubs.onlinelibrary.wiley.com
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Global Cooling During the Eocene-Oligocene Climate Transition - Science | AAAS
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Traces of calcium oxalate biomineralization in fossil leaves from late Oligocene maar deposits from Germany - Nature
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Early Oligocene glaciation and productivity in the eastern equatorial Pacific: Insights into global carbon cycling - agupubs.onlinelibrary.wiley.com
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Geochemical and Isotopic Evolution of Late Oligocene Magmatism in Quchan, NE Iran - agupubs.onlinelibrary.wiley.com
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Paleogene Period—66.0 to 23.0 MYA - National Park Service (.gov)
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Global carbon cycle perturbation across the Eocene‐Oligocene climate transition - agupubs.onlinelibrary.wiley.com
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Oligocene incursion of the Paratethys seawater to the Junggar Basin, NW China: insight from multiple isotopic analysis of carbonate - Nature
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Estimates for the Late Oligocene and Early Miocene Using Multi-Species Cross-Calibrations of Boron Isotopes - agupubs.onlinelibrary.wiley.com
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Antarctic glaciation caused ocean circulation changes at the Eocene–Oligocene transition - Nature
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Stretched Thin: Oligocene Extrusion and Ductile Thinning of the Basal Unit Along the Evia Shear Zone, NW Cyclades, Greece - agupubs.onlinelibrary.wiley.com
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West Antarctic paleotopography estimated at the Eocene‐Oligocene climate transition - agupubs.onlinelibrary.wiley.com
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CofC Geology Professor, Student Make Mega Discovery - today.cofc.edu
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Regional carbonate compensation depth variability in the Pacific Ocean since the Oligocene - Frontiers
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Decline in Atmospheric Carbon Dioxide Caused Eocene-Oligocene Cooling, Study Says - sci.news
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Increased seasonality through the Eocene to Oligocene transition in northern high latitudes - Nature
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Is Africa Really an “Odd Man Out”? Evidence for Diversity Decline across the Oligocene-Miocene Boundary - journals.uchicago.edu
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Eccentricity-paced monsoon variability on the northeastern Tibetan Plateau in the Late Oligocene high CO2 world - Science | AAAS
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Diagenetic evolution of the Oligocene Huagang Formation in Xihu sag, the East China Sea Shelf Basin - Nature
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Paleomagnetism of Oligocene Hot Spot Volcanics in Central Queensland, Australia - Hansma - 2019 - agupubs.onlinelibrary.wiley.com
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Closeup view of oil-saturated Oligocene sandstone in the Sagavanirktok - usgs.gov
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Oligocene-Period Dolphin Had Unique Feeding Method - sci.news
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Morphological trends in reticulate Nummulites across the Eocene–Oligocene transition - Wiley Online Library
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Oligocene-Period Raccoon-Like Mammal Had Mollusk-Based Diet - sci.news
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Antarctic weathering and carbonate compensation at the Eocene–Oligocene transition - Nature
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Eocene‐Oligocene Metamorphism, Fluid Flow and Deformation in the Ruby Mountains‐East Humboldt Range Metamorphic Core Complex - Levy - 2025 - Tectonics - agupubs.onlinelibrary.wiley.com
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Response of the Pacific inter-tropical convergence zone to global cooling and initiation of Antarctic glaciation across the Eocene Oligocene Transition - Nature
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An Early Oligocene age for the oldest known monkeys and rodents of South America - PNAS
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Eccentricity pacing and rapid termination of the early Antarctic ice ages - Nature
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Pakakali rukwaensis: Paleontologists Discover New Carnivore from Oligocene Epoch - sci.news
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Stepwise onset of the Icehouse world and its impact on Oligo-Miocene Central Asian mammals - Nature
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Factors controlling accumulation of organic carbon in a rift-lake, Oligocene Vietnam - Nature
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Prehistoric Life During the Oligocene Epoch - ThoughtCo
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Late Oligocene–early Miocene birth of the Taklimakan Desert - PNAS
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A remarkable female cranium of the early Oligocene anthropoid Aegyptopithecus zeuxis (Catarrhini, Propliopithecidae) - PNAS
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Stepwise transition from the Eocene greenhouse to the Oligocene icehouse - Nature
Why This Topic Is Trending
This topic has recently gained attention due to increased public interest. Search activity and Wikipedia pageviews suggest growing global engagement.
Search Interest & Related Topics
Search interest data over the past 12 months indicates that this topic periodically attracts global attention. Sudden spikes often correlate with major news events, public statements, or geopolitical developments.