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Program, Abstracts, and Guidebooks - University of Minnesota Duluth

Program, Abstracts, and Guidebooks - University of Minnesota Duluth

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-42-<br />

Figure 1<br />

U1ir;siVication <strong>of</strong> granitic <strong>and</strong> relatwi rock;<br />

favotred by ninny flr!1c1 geoio:ists; it is Lased<br />

on the modes <strong>of</strong> quartz, K—Yeldspar <strong>and</strong> plagic—<br />

c1are rocalcuin ted to 100 percent.<br />

Quartz<br />

50 50<br />

Granite Adainelli te iorite<br />

10<br />

$srcniod ionte<br />

I<br />

-feldspar<br />

iterlairc<br />

33 67 90

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