Precambrian geology

Definition

Precambrian geology is the study of solid Earth and environmental processes that occurred during the Precambrian supereon.

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News and Comment

  • News and Views |

    The composition of Earth's oldest crust is uncertain. Comparison of the most ancient mineral grains with more recent analogues suggests that formation of the earliest crust was heavily influenced by re-melting of igneous basement rocks.

    • Elizabeth Bell
  • News and Views |

    The composition of Earth's crust depends on the style of plate tectonics and of the melting regimes in the mantle. Analyses of the oldest identified rocks suggest that these styles and the resulting crust have changed over Earth's history.

    • Alan Brandon
    Nature Geoscience 9, 731–732