Modified Bowen's Reaction Series and other geologic associations.

Below is a version of Bowen's reaction series, which is very useful for understanding mineral associations and crustal evolution. A given melt that crystallizes into a rock does not follow the entire series. It starts out somewhere in the continuum and then typically goes through 3-4 mineral in the discontinuous series before it becomes totally crystallized. In other words a gabbro melt would typically start out with olivine and end up with hornblende.

Some questions to consider in order to gain more insight into Bowen's Reaction Series.

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