Non-metallic reserve
register a total of
376,718,867 metric tons of
limestone, silica deposits,
guano, rock phosphate, sand,
and gravel. Nonoc Island has
one of the world’s largest
deposits of nickel while
Dinagat Island has major
reserves of chromate. 
  
Excellent Fishing Area
 The province’s seawaters,
covering 12,540 square miles,
are abundant with different
species of fish. Game fishing
and spear-fishing enthusiasts
will enjoy the bountiful seas
along the tuna route. Over 23
different species are caught
the whole year round. Marlin,
tuna, lapu-lapu, molluscs,

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