Complex sentence: M. Billaux observed that the worked Shepherd Neolithic flints were of far superior quality than the brittle, unworkable flint conglomerates in the area, suggesting that these flints were imported onto the Beqaa plains from somewhere else.
Split into simpler sentences: M. Billaux observed that the worked Shepherd Neolithic flints were of far superior quality than the brittle, unworkable flint conglomerates in the area. He suggested that these flints were imported onto the Beqaa plains from somewhere else.