Question: How many pounds of minerals are required by the average person in a year?

Answer: To maintain our standard of living, each person in the United States requires over 48,000 pounds of minerals each year: 12,528 lb. of stone 9,385 lb. of sand and gravel  888 lb. of cement  280 lb. of clays  418 lb. of salt  309 lb. phosphate  729 lb. of nonmetals  589 lb. of iron ore  73 lb. of aluminum  24 lb. of copper  14 lb. of lead  13 lb. of zinc  6 lb. of manganese  .0285 T oz. gold  20 lb. of other metals PLUS:  7,578 lb. petroleum  7,643 lb. coal  7,985 natural gas  1/4 lb. uranium