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The top documents tagged [late cretaceous epoch]
RADIOACTIVE ELEMENTS HAVE A PROVEN CONSTANT DECAY RATE RADIOACTIVE ELEMENTS HAVE A PROVEN CONSTANT HALF-LIFE NECESSARILY, A DATABLE MATERIAL MUST
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By Dane and Patrick. Early Cretaceous Epoch - from 145.5 – 127 million (Neocomian) years ago. Middle Cretaceous Epoch – from 127 – 89 million years (Gallic)
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