GIANT PRECAMBRIAN PALAEOPLACERS: CONFIRMATION OF A PRESERVATIONAL PATTERN Giant Precambrian gold palaeoplacers broadly match temporal peak of orogenic gold formation No other preserved placers until Tertiary to Recent Again supports preservation in anomalously bouyant sub- continental mantle lithosphere Confirmed by almost complete stratigraphic record from ca 3500 Ma to 1600 Ma in South Africa TRANSVAAL SUPERGROUP
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