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EOSC 110 Lab Exam 1 Questions & Answers 2025/2026
EOSC 110 Lab Exam 1 Questions & Answers 2025/2026 
 
 
Objective of Rock Density Exercise - ANSWERS-Hypothesis differences in density between rock samples 
-Experimentally determine densities of rock samples 
-Make the connection between Earth and ocean crust 
 
Plagioclase feldspar - ANSWERSWhite or pale gray; 2 good cleavages at nearly 90° plus uneven fracture: may have striations: H 6 
-silicate 
 
Potassium feldspar - ANSWERSOrange, pink, pale brown, green, or white: H 6, 2 good cleavages a...