New Caledonia Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Madagascar was US$39 during 2014, according to the United Nations COMTRADE database on international trade. New Caledonia Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Madagascar - data, historical chart and statistics - was last updated on June of 2024.