PHSC 211 UPDATED Exam Questions and CORRECT Answers
If 2,000 atoms of 206Pb are found in a mineral sample, the how many helium atoms were produced?16,000 Mount Fuji and Mount St. Helens in the western United States are examples of__________Stratovolcanoes The color of a mineral's powder is known as_______streak Which of the following pairs does NOT go together?Phyllite, High-grade metamorphism Pumice and scoria are easily identifiable because of their_________ texturesVesicular The first minerals to crystallize as a magma cools tend to be________Olivine & pryoxene? Calcium plagioclasts
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