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200 Ma); (3) Cretaceous Mo mineralization (140–90 Ma) shows a reversed migration trend from northwest to southeast, and can be explained by the coastward migration of slab rollback related to lower crust delamination, asthenospheric upwelling, and lithospheric thinning in eastern China.
The spatial-temporal distribution of Mesozoic Mo mineralization is important for regional metallogeny and exploration.
It was mostly the basis of the Wu lingua franca that developed in Shanghai leading to the formation of standard Shanghainese, which as a center of economic power and possessing the largest population of Wu speakers, has attracted the most attention.
Due to the influence of Shanghainese, Wu as a whole is incorrectly labelled in English as simply, "Shanghainese", when introducing the language family to non-specialists.
These deposits are mostly along the E-striking Xilamulun fault.
Re-Os dating of hydrothermal molybdenite from four deposits in the northern Xilamulun district revealed mineralization ages of 137 to 129 Ma (129.4 ± 3.4 Ma for Aolunhua, 135.3 ± 2.6 Ma for Shabutai, 136.4 ± 0.8 Ma for Haisugou, and 136.1 ± 6.6 Ma for Banlashan), in general agreement with the crystallization ages of their host granitoids.
Major Wu varieties include those of Shanghai, Suzhou, Ningbo, Wuxi, Wenzhou/Oujiang, Hangzhou, Shaoxing, Jinhua and Yongkang.
Wu speakers, such as Chiang Kai-shek, Lu Xun and Cai Yuanpei, occupied positions of great importance in modern Chinese culture and politics.
Up to 14 layers can be distinguished, but only the bottom seven have been evaluated with radiocarbon dating; their age increases from about 5,000 to 24,000 years from bottom to top.
Zabuye Lake is a hypersaline, landlocked soda lake located at an elevation of 4,400 metres (14,400 ft) in the Shigatse Prefecture of Tibet Autonomous Region, 1,050 km (650 mi) from Lhasa.
The lake gives its name to the mineral zabuyelite (lithium carbonate, Li The lake is located in the Gangdise Mountains (also known as the Lunggar Mountains) deep in the Tibetan Plateau. It is divided into the northern (98 km²) and the southern (149 km²) sub-basins, which are linked by a narrow channel.
Apart from lithium carbonate, the lake has high content of borax and also contains mirabilite and other alkali metal salts with a total content of 360–410 g/L.
The approximate elemental concentrations in the brine in g/L are as follows: Na (160), K (60), Li (1.5), Rb (0.25), Cs (0.1), SO The climate is very dry, with an annual precipitation of 199 mm (7.8 in) and evaporation of 2342 mm that has resulted in a gradual shrinking of the lake.
Recently numerous epithermal Au (Cu, Mo) deposits have been recognized in the southeast margin of northeastern China.