Upper Ecca Series References Upper Ecca Series 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: Africa/ The Paleozoic Era…and fossilized plants), and the Upper Ecca (about 650 feet [200 metres] of shales again). Read More…and fossilized plants), and the Upper Ecca (about 650 feet [200 metres] of shales again). Read More
