Abstract

Recent work shows that there is a close relationship between adakite and Cu-Cu-Mo epithermal deposit and porphyry copper deposits. We discovered that adakiticss exist in the northwest of VN. Previous studies indicated that its belonged to A type or I type granite. The laser-plasma mass spectrometry (LA-ICP-MS) was used for the zircon U-Pb dating of adakitic in Phan Si Pan zone and the isotope age was obtained to be 38-35 Ma, indicating an Eocene related to the stage of the India-Asia collision. This kind of rocks is represented by granite, and similar in chemical composition to the adakitics rock. In this study we introduce the basic rock types adakitics as well as discuss the existence of this type of research. The discovery may provide a theoretical basis for the prospecting and exploration of the above-mentioned mineral resources in the Phan Si Pan zone in northwestern Vietnam.