miocene epoch

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miocene epoch

The Miocene epoch saw the spread of vast grasslands across the continents.

Definition
  1. Proper noun:
    • The Miocene Epoch: A specific geological time period within the Neogene Period, spanning from approximately 23 to 5.3 million years ago (though definitions vary; commonly cited as 25 to 13 million years ago). It is characterized by significant evolution and diversification of mammals, particularly the emergence and spread of modern grazing mammals.
Usage
  • The term "Miocene Epoch" is used as a proper noun to refer to this specific segment of geologic time. It is typically capitalized.
  • It is used in scientific contexts such as geology, paleontology, and evolutionary biology to discuss events, climate, fossil records, and evolutionary developments that occurred during this period.
Examples
  • Proper noun:
    • Fossils from the Miocene Epoch show the first widespread appearance of grasslands.
    • Many modern mammal families originated during the Miocene Epoch.
    • The climate cooled significantly throughout the Miocene Epoch.
Advanced Usage
  • "Mid-Miocene Climatic Optimum": A period of global warming during the early to middle Miocene.
    • The Mid-Miocene Climatic Optimum led to the expansion of tropical forests.
  • "Miocene-Pliocene boundary": The transition point between the Miocene and the subsequent Pliocene Epoch.
    • The Miocene-Pliocene boundary is marked by further cooling and drying.
Variants and Related Words
  • Miocene (adj/noun): The adjectival form or a shorter, common reference to the epoch.
    • Miocene deposits are rich in fossil mammals.
  • Neogene (proper noun): The geologic period that contains the Miocene and Pliocene Epochs.
  • Geologic time scale: The framework within which the Miocene Epoch is defined.
Synonyms
  • Miocene Period (less common but occasionally used synonymously with Miocene Epoch).
Related Phrases
  • "Age of Mammals": An informal name for the Cenozoic Era, which includes the Miocene Epoch.
  • "Hominoid radiation": Refers to the diversification of apes (hominoidea) that occurred during the Miocene.
miocene epoch

The Miocene epoch saw the spread of vast grasslands across the continents.

Noun
  1. from 25 million to 13 million years ago; appearance of grazing mammals

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