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21 articles
New Zealand Geologic Time Scale: Local Epochs and Stages While the international geologic time scale provides a global framework for dating Earth's history, many nations utilize localized...
Read New Zealand Geologic Time Scale: Local Epochs and StagesPliocene Epoch: The Bridge to the Modern World The Pliocene is a pivotal epoch in Earth's geologic history, spanning from approximately 5.33 to 2.58 million years ago (Ma). As the second ...
Read Pliocene Epoch: The Bridge to the Modern WorldMiocene Epoch: The Era of Grasslands and Global Cooling The Miocene Epoch, spanning from 23.04 to 5.333 million years ago (Ma), represents a pivotal chapter in Earth's Cenozoic Era. Situa...
Read Miocene Epoch: The Era of Grasslands and Global CoolingCenozoic Era: The Rise of Mammals and Modern Earth The Cenozoic Era, spanning from 66 million years ago to the present day, represents the most recent chapter of Earth's history. Often re...
Read Cenozoic Era: The Rise of Mammals and Modern EarthMesozoic Era: The Age of Reptiles and Dinosaurs The Mesozoic Era, often referred to as the "Age of Reptiles," "Age of Dinosaurs," or "Age of Conifers," represents a pivotal chapter in Ear...
Read Mesozoic Era: The Age of Reptiles and DinosaursLate Cretaceous Epoch: The Final Age of the Dinosaurs The Late Cretaceous (100.5 to 66 million years ago) represents the grand finale of the Mesozoic Era. As the more recent of the two ep...
Read Late Cretaceous Epoch: The Final Age of the DinosaursQuaternary Period: The Age of Ice and Human Evolution The Quaternary is the current and most recent period of the Cenozoic Era. Spanning from 2.58 million years ago to the present day, it...
Read Quaternary Period: The Age of Ice and Human EvolutionTonian Period: The Dawn of Complex Life and the Breakup of Rodinia The Tonian Period marks a pivotal chapter in Earth's history, serving as the first geologic period of the Neoproterozoic...
Read Tonian Period: The Dawn of Complex Life and the Breakup of RodiniaNeoproterozoic Era: The Dawn of Complex Life and Snowball Earth The Neoproterozoic is the final era of the Proterozoic eon, marking a pivotal transition in Earth's history. Spanning from ...
Read Neoproterozoic Era: The Dawn of Complex Life and Snowball EarthHadean Eon: The Violent Birth of Early Earth The Hadean is the first and oldest of Earth's four geologic eons. Spanning from the planet's formation approximately 4.567 billion years ago t...
Read Hadean Eon: The Violent Birth of Early EarthArchean Eon: The Dawn of Life and Earth's Early Geology The Archean Eon represents one of the most pivotal chapters in our planet's history. Derived from the Greek word arkhē, meaning "be...
Read Archean Eon: The Dawn of Life and Earth's Early GeologyProterozoic Eon: The Era of Oxygen and Early Complex Life The Proterozoic Eon represents one of the most transformative chapters in Earth's history. Spanning from 2500 to 538.8 million ye...
Read Proterozoic Eon: The Era of Oxygen and Early Complex LifePhanerozoic Eon: The Era of Visible Life The Phanerozoic is the current geologic eon, spanning from approximately 538.8 million years ago to the present day. Its name, coined in 1930 by g...
Read Phanerozoic Eon: The Era of Visible LifeCryogenian Period: The Era of Snowball Earth The Cryogenian Period, spanning from 720 to 635 million years ago (Ma), represents one of the most volatile chapters in Earth's history. Deriv...
Read Cryogenian Period: The Era of Snowball EarthPaleontology: The Science of Ancient Life and Deep Time Paleontology is the scientific study of life from the distant past. While it is primarily centered on the analysis of fossils—the p...
Read Paleontology: The Science of Ancient Life and Deep TimePiacenzian Age: A Climatic Analogue and the Dawn of the Genus Homo The Piacenzian represents the final stage of the Pliocene epoch, a critical window in Earth's history spanning from appr...
Read Piacenzian Age: A Climatic Analogue and the Dawn of the Genus HomoTertiary Period: History and Evolution of a Geologic Era The Tertiary is a term once used to describe a vast stretch of geologic time spanning from approximately 66 million to 2.6 million...
Read Tertiary Period: History and Evolution of a Geologic EraNeogene Period: The Era of Modernizing Earth and Life The Neogene Period represents a pivotal chapter in Earth's history, a 20.45-million-year span that bridged the gap between the ancien...
Read Neogene Period: The Era of Modernizing Earth and Life