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The AAPG/Datapages Combined Publications Database
AAPG Special Volumes
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The Circum-Pacific region contains four major phosphogenic provinces. These include: (1) North American and (2) South American marine phosphogenic provinces and (3) the Oceania insular province, all three of which have been actively forming until the recent geologic past, and (4) the Australian-Asian Proterozoic and lower Paleozoic province, which is extinct.
The phosphate resources in these provinces throughout the Circum-Pacific region exceed 26 billion tons of phosphate rock. In spite of this amount, little phosphate rock is mined at present, and many countries of the region, including some with the greatest need for fertilizer, lack phosphate resources. However, exploration is not complete in much of the region, particularly southern Asia. Thus, the opportunities for development of phosphate resources to meet the agricultural needs of the region are many.
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