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Acasta Gneiss

earth science Maturity 11-13

These are very old rocks.

Acasta gneiss.jpg
Acasta gneiss.jpg
They are in Canada. They are the oldest rocks we know. They help us learn about our Earth. They are a big piece of history. Do you like old things?
Acasta Gneiss fragment.JPG
Acasta Gneiss fragment.JPG

40 words
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File:Acasta gneiss.jpg
Acasta gneiss.jpg
File:Acasta Gneiss fragment.JPG
Acasta Gneiss fragment.JPG
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📚 Content adapted from Wikipedia | Readability: FK 10.2 | Vital Level 5