Siluria

work by Murchison

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In Sir Roderick Impey Murchison
…successive editions of his work Siluria (1854; 5th ed. 1872), which presented the main features of the original Silurian System together with information on new findings. In addition, he fought unsuccessfully against the splitting of his original Silurian System into three parts: the Cambrian Period (about 542 million to 488…
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