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Mineral names and rock pictures are hot; click to enlarge pdf version for printing.
Cross section of the earth showing the distribution of igneous rocks
Mineral Percent Abundance Chart
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The table at the top of the page is read vertically, from zero% at the bottom to 100% at the top (scale on left and right sides). For example, the composition of the rock on the farthest right side of the chart is (bottom up) about 92% olivine, and the remaining composition to the top about 8% pyroxene. |
Last Update: 7/20/00 | e-mail: (Fichtels@jmu.edu) |