The terrain of Ergon is mainly hilly. The Ergon block extends in the northeast direction, reaching more than 1500km, and is an important structural unit of the Central Asia-Mongolia-Xing 'an giant composite orogenic belt. The north side of the block is the Mesozoic Mongolia-Okhotsk fold belt; The northeast of the plot is connected with Momen plot.
2. Climate characteristics
Ergon city belongs to the climate of mid-temperate continental grassland, north of Genhe River belongs to the climate of mid-temperate monsoon, and Mordaojia town and its north area belong to the climate of cold temperate monsoon coniferous forest. The average annual temperature in the urban area is between-2.0℃ and 3.0℃, the annual rainfall is 200 ~ 280 mm, and the sunshine time is 2500~3000 hours. Climatic characteristics of the four seasons in Ergon: the temperature rises sharply in spring, with more windy days, less precipitation and great changes; Summer is short and warm, with abundant rainfall and the same season of rain and heat; In autumn, the temperature drops quickly and the first frost comes early. The maximum wind is northwest wind in the north and southwest wind in the south; Winter is cold and long, with little precipitation, but the air humidity is very high.
3. Characteristics of natural resources
Seven kinds of 19 kinds of minerals have been discovered in Ergun city, accounting for 29% of the discovered minerals in Hulunbeier city. There are 9 kinds of minerals (coal, placer gold, rock gold, lead and zinc, iron, fluorite, marble and mineral water) with proven or preliminary proven resource reserves, including energy minerals, ferrous metals, nonferrous metals, precious metals, water gas minerals, radioactive minerals and various nonmetals.