The glacial-interglacial transitions of ice ages are associated with large, rapid changes in
climate, which potentially can be reconstructed from stratigraphic profiles of the chemical …

Silicate weathering is critical to global carbon cycle and climate change, and has attracted
considerable attention in Earth science studies. Chemical weathering intensity evaluation …

通过对鄂尔多斯盆地三叠系延长组长7 段周缘露头剖面及盆内钻井取心共289
块样品进行元素地球化学测试分析, 运用CaO/MgO∙ Al2O3, Sr/Cu, Rb/Sr, B 元素含量, Rb/K2O …

Paleo-sedimentary environment of Chang 7 Member of Upper Triassic Yanchang Formation
in Ordos Basin, including the paleoclimate, paleo-salinity and paleo-redox conditions were …

Geochemical parameters obtained from the analysis of sediments and sedimentary rocks
are widely used to infer weathering and paleo-weathering conditions in source areas …

The sealing capacities of shale, roof, and floor strata are essential for the preservation of
shale gas. Sealing capacity development and its influence on shale gas composition and …

The intermediate to acid Choiyoi Magmatic Province is the most conspicuous feature along
the Late Paleozic continental margin of southwestern Gondwana, and is generally regarded …

The Cape and Karoo basins formed within the continental interior of Gondwana. Subsidence
resulted from the vertical motion of rigid basement blocks and intervening crustal faults …

The Chemical Index of Alteration (CIA) was expressed as CIA (molar) to become a more
sensitive measure of the degree of chemical weathering. The CIA (molar) has the value of 1 …

为探讨黔中隆起北缘五峰‒龙马溪组富有机质页岩的沉积环境和物源区背景,
对区内两口井的样品进行了有机碳含量, 微量元素和稀土元素地球化学测试和分析. 结果表明 …