The Size of Crystals in Igneous Rocks Is Generally a Function

question 84

Essay

The size of crystals in igneous rocks is generally a function of the rate of cooling. However, within the same rock, crystal size does not necessarily reflect the order of crystallization for individual minerals. Without using Bowen's Reaction Series, how might you determine the order of crystallization of minerals in an individual rock sample? (Hint: Think about the texture.)

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Definitions:

Diabetes Mellitus

Condition caused by an insulin imbalance in the body; type 1 diabetes results from not enough insulin being produced; type 2 diabetes is caused by the body (specifically adipose tissue) not responding to insulin in the blood.

Glucose

Glucose is a simple sugar with the molecular formula C6H12O6, serving as a primary source of energy for most organisms.

Hydrogen Ions

Positively charged ions (H+) that are simply protons and play essential roles in chemical reactions, particularly in determining the acidity or pH of solutions.