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EOSC 220 Lecture Final Exam Questions & Answers 2025/2026
EOSC 220 Lecture Final Exam Questions & Answers 2025/2026 
 
 
Describe the concept of Mineral Evolution - ANSWERSThe mineral evolutions is a change over time in the diversity of minerals, relative abundances of minerals, compositional ranges of minerals, and grain sizes and morphologies of minerals 
 
Compare and contrast the age and mineralogy of 3 main eras of mineral evolution - ANSWERS1. The Era of Planetary Accretion - 250 cumulative mineral type 
- minerals formed ~4.56 Ga in the Solar ne...