Among geologic agents a broad ocean current of relatively uniform flow would produce the most uniform effects throughout a geologic period, in which many thousand feet of clastic sediments were being accumulated.
In the Middle Devonian the thin clastic deposits at the base, Esopus and Schoharie grits, have not been differentiated west of the Appalachian region; but the Onondaga limestones are much more extensive.
The sedimentary epidosites occur with mica-schists, sheared grits and granulitic gneisses; they often show, on minute examination, the remains of clastic structures.
The clastic Flysch formation of the Carpathians and northern Alps appears to be of Eocene age in the upper and Cretaceous in the lower part.
While the foraminiferal limestones were being formed over most of southern Europe, a series of clastic beds were in course of formation in the Carpathians and the northern Alpine region, viz.
The sediments of the category III provinces include both pelagic and clastic terrigenous sediments.
Two more areas are represented by outcrops of white clastic quartzite on the north shore of Dubawnt lake, and on the east shore of Wharton lake.
The pebbles in the conglomerates are well rounded and water-worn, and consist almost entirely of white clastic quartzites like that of Marble island (Huronian) beds.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "clastic" in a variety of sentences. We hope that you will now be able to make sentences using this word.
