Qingdao, also known as Island City, Qingdao and Jiaoao, is a prefecture-level city, a sub-provincial city, a city with separate plans and a megacity under the jurisdiction of Shandong Province, China. It is also an important coastal central city, coastal holiday tourist city and international port city approved by the State Council. As of 20 19, there are 7 districts and 3 county-level cities in the city, and the built-up area is 758.438+06 square kilometers. Total regional area 1 1293 square kilometers.
Qingdao is an international center for marine scientific research and education, with 26 universities including Shandong University (Qingdao), Beihang Qingdao Campus and China Ocean University, and 29 universities including Tsinghua University and Peking University. There are many exotic buildings in Qingdao, which is called "World Architecture Expo". Badaguan complex was awarded the title of "the most beautiful city in China".
Geological features:
Qingdao geotectonics is located in the northeast margin of Jiaonan Uplift and the south-central part of Jiaolai Depression, which is the secondary structural unit of Neocathaysia Uplift. The whole Paleozoic strata and some Mesozoic strata are missing in this area, but the volcanic rocks of Cretaceous Qingshan Formation are developed and widely exposed in Qingdao. Magmatic rocks are mainly Yuejishan gneiss granite in Jiaonan period of Proterozoic and Ai Shan granodiorite and Laoshan granite in late Yanshanian period of Mesozoic.