Rich mineral deposits have been found in the sea bed.海底发现有丰富的矿床。The country is richly endowed with mineral deposits.这个国家拥有丰富的矿藏。Rich mineral deposits have been discovered in the area.已发现这个地区有丰富的矿藏。The country possesses rich mineral deposits.这个国家拥有丰富矿藏。