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Impala Black Granite (gabbronorite) (Bushveld Complex, 2.054-2.061 Ga, Paleoproterozoic; north of Rustenburg, North West Province, South Africa) 1

Check out this South African City image: Impala Black Granite (gabbronorite) (Bushveld Complex, 2.054-2.061 Ga, Paleoproterozoic; north of Rustenburg, North West Province, South Africa) 1 Image by James St. John "Impala Black Granite" – gabbronorite from the Precambrian of South Africa. The “black granites” are popular and attractive decorative stones. However, the term “black granite” …

Nice Gabbronorite (“Impala Black Granite”) (Bushveld Complex, 2.054-2.061 Ga, Paleoproterozoic; north of Rustenburg, North West Province, South Africa) photo

A nice South African City image: Gabbronorite (“Impala Black Granite”) (Bushveld Complex, 2.054-2.061 Ga, Paleoproterozoic; north of Rustenburg, North West Province, South Africa) Image by James St. John Igneous rocks form by the cooling & crystallization of hot, molten rock (magma & lava). If this happens at or near the land surface, or on the …