Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
EGBC National Exam — Geological Engineering, 04-Geol-A1 Mineralogy and Petrology, 2013-Dec. Closed book; approved calculator permitted; 3 hours. Most questions call for a paragraph/essay answer, and point form is acceptable where appropriate. Question 1 instructs "fully explain 5 of the following 8" and Question 3 instructs "answer any THREE of the following 6".
Reference texts: Klein & Dutrow, Manual of Mineral Science, 23rd ed. (mineral identification, crystal symmetry, silicate structural classification); Nesse, Introduction to Optical Mineralogy, 4th ed. (relief, interference figures, optic sign); Winter, Principles of Igneous and Metamorphic Petrology, 2nd ed. (phase diagrams, CIPW norm, magma viscosity, metamorphic P-T paths, subduction-zone magmatism); Boggs, Petrology of Sedimentary Rocks, 2nd ed. (sedimentary rock classification).
