Complex sentence: The study of diagenesis in rocks is used to understand the tectonic history they have undergone, the nature and type of fluids that have circulated through them and, from an economic standpoint, allows the assessment of the likelihood of finding various economic minerals and hydrocarbons.
Split into simpler sentences: The study of diagenesis in rocks is used to understand the tectonic history they have undergone, the nature and type of fluids that have circulated through them. From an economic standpoint, that study aids in assessubg the likelihood of finding various economic minerals and hydrocarbons.