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Lagoon behind stromatolite-reefs and bathyal areas in front of the reefs are the originalbasins where copper-bearing water was accumulated. The corresponding rock facies are therear-reef bay syngenetic dolomite and the pro-reef black shale and dolomite respectively. Stra-tiform copper deposits were formed during diagenesis, being genetically connected with thestromatolite reef. No direct genetic relationship has been established between copper minera-lization and volcanic tuffs.
Lagoon behind stromatolite-reefs and bathyal areas in front of the reefs are the originalbasins where copper-bearing water was accumulated. The corresponding rock facies are therear-reef bay syngenetic dolomite and the pro-reef black shale and dolomite respectively. Stra-tiform copper deposits were formed during diagenesis, being genetically connected with thestromatolite reef. No direct genetic relationship has been established between copper minera-lization and volcanic tuffs.