T.23N. R.5W. 3 miles west of Alma Center, and at Stanley Mound SW SE Sec. T.23N. R.4W. about 2 km. Quartz is the major component of the quartzite at Necedah Bluff, well exposed in the quarries in NE Sec. The quartz is grey, pink and green and also occurs as milky crystals 3 cm long in veins. Quartz is the major constituent of the quartzite of McCaslin Mountain where it also occurs as large crystals and clusters locally in veins.
Major outcrops are in Sec.
Quartz replacing fossils occurs in the Niagara Formation in the NW NW Sec. Clear to smokey crystals up to 49 cm long, some doubly terminated and often distorted and etched are commn in miarolitic cavities in the mineralogically complex pegmatites of the Nine Mile Pluton. These are commonly exposed in the granite quarries south of Rib Mountain in Sec. 6 T28N R7E, NW Sec. 33 T29N R7E and Sec.