Orbital forcing of climate 1.4 billion years ago

2.4 billion years ago to 2.1 billion years ago (24, 25) and episodes of glaciation during the latter Neoproterozoic Eon, some of which may have been global in extent (26, 27). There are also suggestions of Milankovitch-style cyclicity in the repetitive de-position of distinct sedimentary packages linked to high-fre- ................
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