The gneiss, located on the top of the mountain, consists of mainly a biotite-quartz-feldspar gneiss interlayered with minor amphibolite gneiss and feldspar augen gneiss. Over a kilometer of land ...

Huanggang Dabieshan Geopark is located in Hubei Province, in eastern China. It demonstrates the geological evolution of the region, notably the collision between the tectonic plates of North China and ...

A NUMBER of rock samples of Pre-Cambrian biotite hornblende granodioritic gneiss from the Ongul Islands, where the Japanese Antarctic Research Base Syowa was set up, were collected by one of us (T ...