Last Glacial Maximum (LGM)

(noun)

The last period in the Earth's climate history during the last glacial period when ice sheets were at their greatest extension.

Related Terms

  • Clovis peopl
  • Comparative linguistics
  • migrate
  • Paleo
  • Glacial maximum
  • Beringia
  • The Last Glacial Maximum (LGM)
  • nomadic

Examples of Last Glacial Maximum (LGM) in the following topics:

  • Migration to North America

    • Civilization in America began during the last Ice Age when nomadic Paleo-Indians migrated across Beringia.
    • While some researchers may debate the “why” and “when” of migration patterns, all can agree that migration would not have been possible without a glacial epoch. 
    • The Last Glacial Maximum (LGM), which occurred between approximately 18,000 and 20,000 years ago, was the last period in the Earth's climate history when ice sheets were at their greatest extension.
    • The archeological evidence suggests that the Paleo-Indians' first dispersal into the Americas occurred near the end of the LGM. 
    • It is believed that a small Paleo-Indian population of a few thousand survived the Last Glacial Maximum in Beringia.
  • Conclusion: Pre-Colonial Development of North America

    • Many separate indigenous cultures developed and prospered in North America after the first waves of nomadic Paleo-Indians migrated to the continent across Beringia near the end of the Last Glacial Maximum.
    • Civilization in America began during the last Ice Age when nomadic Paleo-Indians migrated across Beringia.
    • Archaeological evidence suggests that the Paleo-Indians’ first dispersal into the Americas occurred near the end of the Last Glacial Maximum (LGM), or the last period in the Earth’s climate history when ice sheets were at their greatest extension.
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