The phrase 'prominent aspect' is correct and usable in written English.
You can use it when you want to emphasize something that is particularly prominent or outstanding. For example, "The most prominent aspect of the new law is its increased emphasis on environmental protection."
A prominent aspect of practical religion was magic.
That link-up play isn't the most prominent aspect of his performances, however.
The most prominent aspect of Akan religion is an ancestor cult the rites of which serve to enforce tribal unity and morality.
The only "project" that I can see is the formation of the state of Israel, which is why the history of Zionism and the British Mandate in Palestine is an unusually prominent aspect of the chapter on modern anti-Semitism.
The Bank's most prominent aspect is the International Development Association (IDA), which gives grants ($1.7 billion last year) and soft loans (another $7.3 billion) to 81 of the world's poorest countries.
The importance of the yam is demonstrated in an annual harvest festival in which the first yam is symbolically offered to the ancestors, whose worship is a prominent aspect of Baule religion.
The whole of the care pathway needs to be given proper consideration, rather than just prominent aspects such as surgery.
Writing of this type is a kind of parody, a way of framing prominent aspects of a subject in order to examine them more fully or construct an overview.
Prayers and sermons were prominent aspects of his home and university life.
The characteristic of the rotational speed is one of the prominent aspects in designing the power based on the horizontal axis turbine.
Participant A's attending school activities as an enthusiastic attendee was one of the prominent aspects that we found in his interview.
