Dear colleagues,

We are very pleased to extend you our warmest welcome to attend the XIII International Scientific Symposium in Honor of Academician M.A. Usov, "Problems of Geology and Subsurface Development" devoted to the 110 anniversary in memory of Professor, State Prize Laureate, K.V. Radugin.

The Symposium will include the following sessions:

• Paleontology, Stratigraphy and Regional Geology
• Mineralogy, Geochemistry and Petrography
• Ore Deposits - Prospecting and Exploration Methods
• Hydrogeology and Engineering Geology
• Hydrogeochemistry and Hydroecology
• Geophysical Surveying Methods for Ore Deposit Prospecting
• Petroleum Geology
• Reservoir Engineering
• Oil & Gas Drilling
• Techniques and Technologies for Ore Deposit Prospecting
• Oilfield Equipment
• Oil & Gas Transport Equipment and Machinery
• Mining
• Geoecology
• Environmental Engineering
• Usefulness of Mineral Resources
• Mining Economics and Law
• Geology and Petroleum Engineering (English, German)
• Geoinformation Systems in Geology