Benefits of radiometric dating

benefits of radiometric dating-12

This left branch is called a discontinuous reaction series because each mineral has a different crystalline structure.

Recall that olivine is composed of a single tetrahedra and that the other minerals in this sequence are composed of single chains, double chains, and sheet structures, respectively.

Oftentimes the rate of cooling occurs rapidly enough to prohibit the complete transformation of calcium-rich feldspar into sodium-rich feldspar.

In these instances, the feldspar crystals will have calcium-rich interiors surrounded by zones that are progressively richer in sodium.

Lava erupting earlier would come from the top of the magma chamber, and lava erupting later would come from lower down.

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