The phrase "in the process of formation" is correct and usable in written English.
You can use it when discussing something that is still in the midst of being created or formed. For example, "The new company is still in the process of formation."
Its involuted curves and bulbous contours suggest a world in the process of formation.
In some it was possible to view massive star clusters still in the process of formation.
In them we can see not just history as it was happening but documentary evidence of myths in the process of formation.
The major discoveries of the KAO include the rings of the planet Uranus, stars in the process of formation, and molecules in interstellar space and in planetary atmospheres.
Yet other observers contend that a new upper class is in the process of formation, comprising production organizers and managers in both the public and the private arenas.
So that, when we create the elements of the new system, we can say to ourselves, and to others: "This is no longer simply my survival mechanism, my bolt hole from the neoliberal world; this is a new way of living in the process of formation"...
The proposed capability metric, designed to find the vehicles with similar direction and better channel quality, is exploited in the processes of formation and maintenance to determine which node is suitable for a cluster head.
Under the current wording, the representative would be able to collaborate in the process of the formation of new governmental and civic institutions.
Different stages in the process of particle formation were observed.
Do the senses play any role in the process of concept formation?
Monomer diffusion plays an important role in the process of hologram formation in photopolymer materials.
