miniseries oldest, north america, canada, acasta, metamorphic, greenland, sedimentary, isua, igneous, eoarchean, canadian shield, superior, slave Dylan Wilmeth miniseries oldest, north america, canada, acasta, metamorphic, greenland, sedimentary, isua, igneous, eoarchean, canadian shield, superior, slave Dylan Wilmeth

Miniseries: The Oldest Rocks in North America

Miniseries Episode 7:

The oldest rocks on Earth are hidden deep in the Canadian North, 4 billion years old. For our final stop of our tour, we sneak a peek at these and other rocks we'll meet soon in the main series, including reefs made from bacteria and mysterious stones hidden beneath Greenland's glaciers.

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