DODGE COUNTY: Dolomite is an accessory mineral in the oolitic iron ore of the Neda formation, as exposed in the old mines in , east of Neda (Hawley and Beavan, 1934). — Dolomite occurs as an important rock forming mineral in the Silurian dolostones exposed in a quarry 3 km. north of Knowles (Soderman and Carozzi, 1963).