Description: This is a global map showing the distribution of Cambrian Period rocks. "Cambrian System, in geology, the name now universally employed to designate the earliest group of Paleozoic rocks which possesses a connected suite of fossils. The strata of this system rest upon the Pre-Cambrian, and are succeeded by the Ordovician system." — The Encyclopedia Britannica, 1910
Source: The Encyclopedia Britannica , The Encyclopedia Britannica 11th Edition Vol. 5 (New York, NY: The Encyclopedia Britannica Company, 1910) 87
Map Credit: Courtesy the private collection of Roy Winkelman. |
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