Nanjing, a prefecture-level city under the jurisdiction of Jiangsu Province, is called Ning for short and Jinling and Jiankang in ancient times. It is the capital of Jiangsu Province, a sub-provincial city, a megacity and the core city of Nanjing metropolitan area. It is an important central city, an important scientific research and education base and a comprehensive transportation hub in eastern China approved by the State Council.
Nanjing is one of the first national historical and cultural cities, an important birthplace of Chinese civilization, and has long been the political, economic and cultural center of southern China. It has blessed China's new moon several times in history. There were ancient human activities in Nanjing as early as100-1200,000 years ago. Nanjing ape-man lived in Tangshan 350,000-600,000 years ago, with a history of more than 7,000 years of civilization, nearly 2,600 years of city building and nearly 500 years of capital building.
In August 2020, UN-HABITAT released the list of Asia 100 big cities. Nanjing ranks 1 1 in Asia and 5th in Chinese mainland.
mineral resources
Nanjing is rich in mineral resources. There are 4/kloc-0 minerals found, including iron, copper, lead, zinc, strontium, pyrite, dolomite, limestone, gypsum and clay, of which 23 have proven reserves, 20 have industrial exploitation value and more than 10 are being exploited.
The quality and reserves of strontium ore (celestite) rank first in China. The reserves of copper and lead-zinc ore account for more than 90% in Jiangsu, iron ore accounts for 89% in Jiangsu, and limestone, dolomite and attapulgite clay minerals occupy an important position in Jiangsu.
Minerals in Nanjing are mainly concentrated in four metallogenic belts, namely Jiangpu-Liuhe iron-copper metallogenic belt, Ningzhen iron-copper-sulfur polymetallic metallogenic belt, Ningwu iron-copper-sulfur metallogenic belt and Lishui iron-copper metallogenic belt.