Kwalejin Kimiyyar Yankin Ƙasar Sin (turanci Chinese Academy' of Geological Science CAGS) wata cibiya ce da ke gudanar da binciken yanayin ƙasa a Jamhuriyar Jama'ar Sin . An kafa makarantar a 1956 kuma an sake tsara ta a 1999. Gudanarwa yana ƙarƙashin Ma'aikatar ƙasa da albarkatun PRC. Kwalejin ta ƙunshi ɓangarorin bincike da suka shafi nazarin ƙasa da taswira. Hakanan yana aiki a cikin bincike akan ilmin ɓurɓushin halittu, kuma yana da hannu wajen gano sabbin dabbobin Jegare, gami da Zhenyuanlong, Xixiasaurus, da sabon nau'in Tyrannosaur Qianzhousaurus . haka ma sauran dabbobi irin su Castorocauda da Rugosodon. Wadannan cibiyoyi masu alaƙa suna da alaƙa da Kwalejin Kimiyyar Ƙasa ta China: Cibiyar Hydrogeology and Geology Geology (IHEG), CAGS, China Cibiyar nazarin yanayin ƙasa da binciken ƙasa Cibiyar Geomechanics, CAGS, China Cibiyar Geology, CAGS, China Cibiyar Albarkatun Ma'adinai (IMR), CAGS, China Cibiyar Nazarin Ƙasa ta Geoanalysis Tianjin Institute of Geology and Mineral Resources (TIGMR), CAGS, China Cibiyar Karst Geology, CAGS Cibiyar Kimiyya ta Kasar Sin Ƙungiyar Kimiyya ta Ƙasa ta Duniya - a halin yanzu tana da hedikwata a nan .