The Barberton Mountainland in north-eastern South Africa is underlain by the some of the oldest and best preserved rocks in the world – the Barberton Greenstone Belt. The rocks of this unique area allow geologists to peer into the world of 3.5 billion years ago. Among the oldest form of life was discovered here, an Archean bacterial micro fossil Archaeospheroides barbertonis and has been identified as being 3.2 billion years old.

The Barberton Mountainland in north-eastern South Africa is underlain by the some of the oldest and best preserved rocks in the world – the Barberton Greenstone Belt. The rocks of this unique area allow geologists to peer into the world of 3.5 billion years ago. Among the oldest form of life was discovered here, an Archean bacterial micro fossil Archaeospheroides barbertonis and has been identified as being 3.2 billion years old.

A piece of a banded iron formation, a type of rock that consists of alternating layers with iron(III) oxide (red) and iron(II) oxide (grey). BIFs were mostly formed during the Precambrian, when the atmosphere wasn't yet rich in oxygen. Moories Group, Barberton Greenstone Belt, South Africa.

A piece of a banded iron formation, a type of rock that consists of alternating layers with iron(III) oxide (red) and iron(II) oxide (grey). BIFs were mostly formed during the Precambrian, when the atmosphere wasn't yet rich in oxygen. Moories Group, Barberton Greenstone Belt, South Africa.

Willemseite. Colour: Light green. Named after Johannes Willemse (1909-1967), Professor of Geology, University of Pretoria (South Africa).Type Locality: Scotia Talc mine, Bon Accord, Barberton District, Mpumalanga Province, South Africa. Year of Discovery: 1968.

Willemseite. Colour: Light green. Named after Johannes Willemse (1909-1967), Professor of Geology, University of Pretoria (South Africa).Type Locality: Scotia Talc mine, Bon Accord, Barberton District, Mpumalanga Province, South Africa. Year of Discovery: 1968.

Willemseite : (Ni,Mg)3(Si4O10)(OH)2.Named after Johannes Willemse (1909-1967), Professor of Geology, University of Pretoria (South Africa).Type Locality: Scotia Talc mine, Bon Accord, Barberton District, Mpumalanga Province, South Africa.

Willemseite : (Ni,Mg)3(Si4O10)(OH)2.Named after Johannes Willemse (1909-1967), Professor of Geology, University of Pretoria (South Africa).Type Locality: Scotia Talc mine, Bon Accord, Barberton District, Mpumalanga Province, South Africa.

Trevorite.Colour: Black with green or brown tint.Type Locality: Bon Accord Ni Deposit, Bon Accord, Barberton District, Mpumalanga Province, South Africa.

Trevorite.Colour: Black with green or brown tint.Type Locality: Bon Accord Ni Deposit, Bon Accord, Barberton District, Mpumalanga Province, South Africa.

Trevorite.Colour: Black with green or brown tint.Type Locality: Bon Accord Ni Deposit, Bon Accord, Barberton District, Mpumalanga Province, South Africa.

Trevorite.Colour: Black with green or brown tint.Type Locality: Bon Accord Ni Deposit, Bon Accord, Barberton District, Mpumalanga Province, South Africa.

Bonaccordite. Scotia Talc mine, Bon Accord, Barberton, Ehlanzeni District, Mpumalanga Province, South Africa

Bonaccordite. Scotia Talc mine, Bon Accord, Barberton, Ehlanzeni District, Mpumalanga Province, South Africa

African Green Stone - Verdite Sphere 3.4 lbs 4" diam.

African Green Stone - Verdite Sphere 3.4 lbs 4" diam

African Green Stone - Verdite Sphere 3.4 lbs 4" diam.

Trevorite, Willemseite Scotia Talc mine, Bon Accord, Barberton, Ehlanzeni District, Mpumalanga Province, South Africa Copyright © Knut Eldjarn

Trevorite, Willemseite Scotia Talc mine, Bon Accord, Barberton, Ehlanzeni District, Mpumalanga Province, South Africa Copyright © Knut Eldjarn

Pillow lavas. Barberton Mountainland, South Africa. Picture taken by Jackie Gauntlett.

Pillow lavas. Barberton Mountainland, South Africa. Picture taken by Jackie Gauntlett.

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