Accordingly, in the Swiss Alps, even the flysch, or upper portion of the nummulitic series, has been occasionally invaded by plutonic rocks, and converted into crystalline schists of the hypogene class.
There are also cases where the upper portion of the boulder deposit has been greatly deranged, while the lower beds of the same have continued horizontal.
There is reason to believe--although the fact is not definitely established--that she studied for a while in Athens in the school of philosophy conducted by Plutarch the Younger and his daughter Asclepigenia.
Illustration: May-apple (Podophyllum Pellatum), Upper Portion of Plant with Flower and Rootstock.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "upper portion" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.