GEOLOGICAL ERA Meaning and
Definition
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A geological era refers to a substantial expanse of time in the Earth's history, characterized by distinctive geological and biological developments. It is the second largest division of geologic time, surpassed only by eons. Geological eras are identified based on significant changes and events that occurred during specific periods.
Each era is usually tens to hundreds of millions of years long and is characterized by unique combinations of rock types, formation of major landforms, shifts in climate patterns, and notable evolutionary developments of organisms. These defining characteristics assist geologists and paleontologists in understanding Earth's history and how it has evolved over time.
The current Phanerozoic Eon, for instance, is divided into three eras: the Paleozoic, Mesozoic, and Cenozoic. The Paleozoic era, which lasted approximately 300 million years, witnessed the evolution of invertebrates, the appearance of complex life forms like fishes and land plants, and the emergence of the first amphibians. The Mesozoic era, covering around 180 million years, was marked by the rise of reptiles, the dominance of dinosaurs, and the emergence of mammals and birds. The Cenozoic era, spanning roughly 66 million years to the present, saw the proliferation of mammals, including hominids (ancestors of humans), and the eventual dominance of humans on Earth.
Overall, geological eras play a pivotal role in comprehending the Earth's past, including its geological and biological transformations, allowing scientists to reconstruct the history of our planet and gain insights into the origins and development of life.
Common Misspellings for GEOLOGICAL ERA
- feological era
- veological era
- beological era
- heological era
- yeological era
- teological era
- gwological era
- gsological era
- gdological era
- grological era
- g4ological era
- g3ological era
- geilogical era
- geklogical era
- gellogical era
- geplogical era
- ge0logical era
- ge9logical era
- geokogical era
Etymology of GEOLOGICAL ERA
The word "geological" is derived from the Greek words "geō" meaning "earth" and "logos" meaning "study" or "science". Therefore, "geological" refers to the study or science of the Earth.
The term "era" comes from the Latin word "aera", which means "age" or "epoch". It can be traced back to the Ancient Greek word "aion", meaning "age" or "lifetime".
When combined, "geological era" refers to a specific period of time in Earth's history characterized by distinct geological and biological events.
Similar spelling words for GEOLOGICAL ERA
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