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 Tianjin
is rich in natural resources. Over 30 kinds of metallic, non-metallic
ores and fuel minerals have been found. The main metallic ores include
chambersite, manganese, gold, tungsten, molybdenum, copper, lead, zinc
etc, among which chambersite was discovered for the first time in China.
The major non-metallic ores are: cement limestone, barite, stromatolite,
marble, natural oil stone, pottery clay, maifanshi porous stone etc. The
principal fuel deposits are petroleum, natural gas, coal and coal gas.
Both the Dagang and Bohai oilfields in the southeast of Tianjin are well
known oil and gas fields in China.
Tianjin is also rich in geothermal resources covering an area of 2,968
square kilometers. Tianjin produces a large quantity of salt. With a sodium
chloride content as high as 96-98%, the salt is an important raw material
for the marine chemical industry.
There are over 270 square kilometers of barren and silt land awaiting
exploitation.
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