Kaskaskia Sequence References Kaskaskia Sequence geology Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: epeirogeny…400 million years ago), the Kaskaskia Sequence (Early Devonian to mid-Carboniferous; about 408 to 320 million years ago), and the Absaroka Sequence (Late Carboniferous to mid-Jurassic; about 320 to 176 million years ago). Read More…400 million years ago), the Kaskaskia Sequence (Early Devonian to mid-Carboniferous; about 408 to 320 million years ago), and the Absaroka Sequence (Late Carboniferous to mid-Jurassic; about 320 to 176 million years ago). Read More