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The Sulfur Cycle

机译:硫循环

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摘要

The ocean represents a major reservoir of sulfur on Earth, with large quantities in the form of dissolved sulfate and sedimentary minerals (e.g., gypsum and pyrite). Sulfur occurs in a variety of valence states, ranging from -2 (as in sulfide and reduced organic sulfur) to +6 (as in sulfate). Sulfate is the most stable form of sulfur on today's oxic Earth; weathering and leaching of rocks and sediments are its main sources to the ocean.
机译:海洋代表着地球上主要的硫磺储集层,以溶解的硫酸盐和沉积性矿物质(例如石膏和黄铁矿)的形式大量存在。硫以多种价态存在,范围从-2(如在硫化物和还原的有机硫中)到+6(如在硫酸盐中)。硫酸盐是当今有氧地球上最稳定的硫形式。岩石和沉积物的风化和浸出是其向海洋的主要来源。

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