Complex sentence: Tectonic movements allowed for halokinesis to occur with more uplift in the Mesozoic followed by a major phase of inversion occurred in the Cenozoic affecting many basins in NW Europe.
Split into simpler sentences: Tectonic movements allowed for halokinesis to occur with more uplift in the Mesozoic. Following a major phase of inversion occurred in the Cenozoic affecting many basins in NW Europe.