![]() ![]() The Fortune Head GSSP is unlikely to be washed away or built over. The boundary is set at the first appearance of a complex trace fossil Treptichnus pedum that is found worldwide. A continuous section is available from beds that are clearly Precambrian into beds that are clearly Cambrian. It is accessible by paved road and is set aside as a nature preserve. The Precambrian- Cambrian boundary GSSP at Fortune Head, Newfoundland is a typical GSSP. GSSPs are also sometimes referred to as Golden Spikes. The first stratigraphic boundary was defined in 1972 by identifying the Silurian- Devonian boundary with a bronze plaque at a locality called Klonk, northeast of the village of Suchomasty in the Czech Republic. Once a GSSP boundary has been agreed upon, a "golden spike" is driven into the geologic section to mark the precise boundary for future geologists (though in practice the "spike" need neither be golden nor an actual spike). ![]()
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