Symposiums:

1- Economic studies on phosphate bearing horizons of Soltanieh formation, by: Alireza Namadmalian Esfahani, 1985, 4th conference of earth sciences, Geological Survey of Iran, Tehran, Iran.

2- Radiometric and geochemistry application method for potash reconnaissance, by: Alireza Namadmalian Esfahani, 1991, 10th conference of earth sciences, Geological Survey of Iran, Tehran, Iran.

3- Current targets and problems in mining and solutions, by: Alireza Namadmalian Esfahani, 1996, the symposium of expert and owner of mines, Ministry of Mines and Metals, Tehran, Iran.

4- Remote sensing for potash exploration in the Khoor and Biabanak playa .1997, By: Alireza Namadmalian Esfahani and S.Mehdizadeh, 16th conference of earth sciences, Geological Survey of Iran, Tehran, Iran.

5- The expandability of Saveh region clay and their application for LECA, 1999, By: Alireza Namadmalian Esfahani and S.Mehdizadeh, 18th conference of earth sciences, Geological Survey of Iran, Tehran, Iran.

6- The specification of soft and surface sediments of east Sefidrood delta, 2000, By: R.Lak, A.Liaghat, N.Rahimzadeh, A.Hamedi and Alireza Namadmalian Esfahani, 19th conference of earth sciences, Geological Survey of Iran, Tehran, Iran.

7- Oromieh Lake victim to periodic changes, 2001, by: Alireza Namadmalian Esfahani, First conference of Oromieh Lake (Its abilities and scope on development.), Oromieh, Iran.