greenstone造句

1、Both the well-preserved greenstone belt and TTG-reworked granite-greenstone belt are favorable for gold deposit formation.

2、Clearly, it is different from Archean greenstone belt, for example, the Dengfeng greenstone belt located adjacent to it on the north.

3、Poutini remains hidden, but pieces break off in streams, providing the Maori with precious greenstone.

4、Evidence from isotopic dating suggests that the greenstone belts vary considerably in age.

5、The region between northern Liaoning Province and southern Jilin Province is one of the typical Archean granite-greenstone belts.

6、The Archaean meta-basalts are distinguished into two meta-basalts formed in the greenstone belt and in the high-grade metamorphic region.

7、Studies on stable isotopes in gold deposits in Nankouqian area show that the geneses of the gold deposits are closely related to the Archean granite-greenstone belt.

8、The source rocks are mafic volcanic rocks in the greenstone belt. The mineralization fluids are mainly metamorphic hydrothermal fluids. Middle Proterozoic is the main mineralization period.

9、Accompanied by Longtouyu is a tortoise carved with precious greenstone in Laoshan deep sea. One dragon and one turtle add more mysteries to this Taoist holy land.

10、The greenstone belt type gold deposit in the North China craton (NCC), one of the most important deposit types in China, is the major source of gold productions and reserves.