Barite in oxygen and sulfur isotopic analysis, plays a crucial role as a natural recorder of environmental conditions and geological processes. Barite (BaSO4) forms in marine and hydrothermal settings, where it precipitates from seawater or hydrothermal fluids. The oxygen isotopic composition in barite reflects the temperature and isotopic composition of seawater during its formation, providing valuable insights into past ocean temperatures and paleoclimate studies. Similarly, sulfur isotopes in barite can indicate the source and processes of sulfur cycling in marine environments, such as bacterial sulfate reduction. This dual isotopic analysis of oxygen and sulfur in barite is instrumental in reconstructing ancient oceanic conditions, tracking geological events like volcanic activity or hydrothermal venting, and understanding Earth’s environmental history over geological timescales. Thus, barite serves as a significant archive for isotopic geochemistry, aiding in diverse scientific investigations, from climate change research to the study of deep-sea processes.
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