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Aphebian

Overview page. Subjects: Earth Sciences and Geography.

A stage (1 600–2 500 Ma ago) of the lowermost Proterozoic of Canada, overlain by the Helikian.

See overview in Oxford Index

Aphebian

Overview page. Subjects: Earth Sciences and Geography.

A stage (1 600–2 500 Ma ago) of the lowermost Proterozoic of Canada, overlain by the Helikian.

See overview in Oxford Index

Aphebian

Edited by MICHAEL ALLABY.

in A Dictionary of Earth Sciences

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Earth Sciences and Geography. 19 words.

A stage (1 600–2 500 Ma ago) of the lowermost Proterozoic of Canada, overlain by the Helikian.

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Aphebian

Edited by Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 19 words.

A *stage (1 600–2 500 Ma ago) of the lowermost *Proterozoic of Canada, overlain by the *Helikian

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Helikian

Overview page. Subjects: Earth Sciences and Geography.

A stage (850–1 600 Ma ago) of the Middle Proterozoic of the Canadian Shield region, underlain by the Aphebian and overlain by the Hadrynian.

See overview in Oxford Index

Helikian

Edited by MICHAEL ALLABY.

in A Dictionary of Earth Sciences

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Earth Sciences and Geography. 26 words.

A stage (850–1 600 Ma ago) of the Middle Proterozoic of the Canadian Shield region, underlain by the Aphebian and

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