... presentation using data from Algeria, North Africa will show how it is possible to co-visualise conventional small scale and large scale geological data, geophysical data, reservoir engineering data, surface flow lines, production facility data, GIS data and meteorological data. It will also emphasize...

... of phosphate rock is presented in Table 2, by major producing areas. The United States accounts for about 40% of total world production; most of the balance is supplied about equally from North Africa and the Soviet Union, each with 20-25% of the world total. The remaining 10% is produced in Asia and Oceania...