type section

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type section

[′tīp ‚sek·shən]
(geology)
That sequence of strata identified as the original sequence for a location or area; the standard against which other stratigraphy of parts of the area are compared. Also known as section.
References in periodicals archive ?
The global boundary stratotype section and point (GSSP) for the base of the Himantian Stage (the uppermost of the Ordovician System).
Recently, the global boundary stratotype section and point for the base of the Hirnantian Stage was defined in the Wangjiawan North section in the Yichang area of China (Chen et al.

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