https://www.nsw.gov.au/education-and-training/nesa/curriculum/hsc-exam-papers/earth-environmental-science-hsc-geological-time-scale
Earth and Environmental Science HSC geological time scale | NSW Government
Sep 9, 2025 - These resources contain data and formulas that students may need to use in their HSC exams.
geological time scaleearth andenvironmental sciencehscnsw