九华山国家地质公园晶洞花岗岩的发现及意义

DISCOVERY OF MIAROLITE IN THE JIUHUASHAN NATIONAL GEOLOGICAL PARK AND ITS IMPLICATIONS

九华山地质公园内首次发现了晶洞花岗岩。晶洞多呈圆球状,大小不一,常呈串珠状发育,其内大都发育完整的水晶。九华山晶洞花岗岩的发现有助于更好地理解区内中生代构造岩浆活动及演化过程,并为地质公园提供了更为丰富的地质旅游资源。

Miarolite is a special type of granite and was first found in the Jiuhuashan National Geological Park. Miarolitic structure is mainly developed in K-feldspar granite in the Jiuhuashan rock mass. Miarolitic cavities are usually round ball-like, in different size, typically occurring as a string of beads. The Jiuhuashan rock mass has geochemical features of A-type granite. The miarolite discovered in Jiuhuashan helps to better understand Mesozoic tectonomagmatic activities and their evolutional processes in the area, and adds to geological tourist resources of the Park.