Mining in Malaysia
Sand and gravel. Sand and gravel are found in Johor, Kedah, Perak, Sarawak and Selangor. In 2012, the annual production of sand and gravel was 40 million tons. Tin. In 1979, Malaysia produced almost 63,000 tons of tin, accounting for 31% of world's output. Tin deposit spreads across western Peninsular Malaysia, particularly the Kinta Valley in Perak. In 1883, Malaysia .