FIELD: foundry, namely non-ferrous metal casting, particularly casting of light metals and alloys. SUBSTANCE: method for making casting molds and cores comprises steps of using as main material of molding sand and core sand crushed and sorted ore, preferably magnetite. Such ore is used at making wet or dry casting molds and cores, preferably with clay binding. EFFECT: high speed cooling and accelerated solidification of metal cast in molds providing favorable microstructure of castings. 19 cl, 2 tbl
