This sample is a plutonic rock dominated by mostly anhedral feldspar and a lesser amount of quartz. The crystalline structure is generally coarse. Maximum crystal dimension is 7.5 mm (feldspar) and minimum is .1 mm (quartz). Modal grain size is around 1.5 to 3 mm for feldspar and quartz. Feldspar twinning includes abundant albite and tartan (microcline) patterns with lesser amounts of simple Carlsbad. Grain boundaries range from smooth curving to substantially consertal sutured; the latter predominates. Microperthitic intergrowth patterns involving multiple species of feldspar are common as is zoning in feldspars. Accessory minerals include biotite, which is common at about 5 percent of slide area. Muscovite is also present at around 2 percent of slide area. Opaques are absent in this sample. There is another unidentified mineral present in low quantities (<1 percent) that is uniaxial negative, colorless in ppl, with birefringence of ~.018. There are slight signs of insipient weathering of feldspars with many grains presenting a dusty look.