erathem


Also found in: Encyclopedia, Wikipedia.

erathem

(ˈɪərəˌθɛm)
n
(Geological Science) geology the stratum of rocks representing a specific geological era

erathem

The rocks formed during a geological era.
References in periodicals archive ?
It includes marine Oligocene-Lower Miocene rocks of the Cenozoic Paleogene erathem. By their lithofacies features, the Maykopian series rocks are subdivided into three subseries, which in their turn include a number of formations and subformations.
The strata of the target site (from top to bottom) are the Pingyuan formation of the Quaternary system, the Minghuazhen formation and Guantao formation of the upper Tertiary system, the Dongying formation of the lower Tertiary system, and the 1st, 2nd, 3rd, and 4th members of the Shahejie formations and Kongdian formation in Cenozoic Erathem (Figure 4).