Tag Archives | Fossil Records of Different Geological Strata

In this essay we will discuss about the fossil records of different geological strata.  Essay # 1. Fossil Records of Pre-Cambrian Era: The Pre-Cambrian includes approximately 90% of the geologic time which covers approxi­mately 4,200 million years (m.y.) of the earth his­tory (Table 1.2). The Pre-Cambrian world was almost certainly as diverse and complex a […]