Complex sentence: The Salinian Block is largely granitic, in accordance with its continental crustal origin, contrasting sharply, and paradoxically, with much of the crust to its east, which in much of California is mostly sedimentary and oceanic in origin.
Split into simpler sentences: The Salinian Block is largely granitic, in accordance with its continental crustal origin. This contrasts sharply, and paradoxically, with much of the crust to its east, which is sedimentary and oceanic in origin.