Periodic Reporting for period 1 - SINDIA (Sulphide INclusions in DIAmonds: A Window into The Earth’s Interior Through Time)
Período documentado: 2019-04-01 hasta 2021-03-31
In order to obtain the most accurate, high fidelity chemical and age information from sulphides it is fundamental that the inclusions used for age determinations are well characterized, while in the diamonds, with in-situ techniques. To this end, SINDIA was designed to attain three specific scientific objectives: i) comprehensive description of untreated multi-phase sulphide inclusions in diamonds; ii) reconstruction of the Mss original bulk composition; iii) definition of the true isotopic ratios to retrieve reliable diamond ages.
By combining for the first-time a thorough, non-destructive, in-situ characterization of sulphide inclusions in diamonds with homogenization experiments and isotopic analyses, we were able to accurately determine the composition of the sulphides, reconstruct their genetic processes and asses the validity of the mostly used dating system.
This study has thus opened a new line of research into the nature of sulphide inclusions in diamonds and the results obtained within this project will be an important reference point for future studies in different fields, spanning from mineralogy to mineral physics, petrology, geochemistry and geodynamics. The proposed study has provided international visibility to the researcher and the University of Padova by producing fundamental scientific advances in this new field of research and by publishing a fundamental scientific contribution in a highly ranked international journal. Furthermore, the establishment of collaborations with external universities and research institutions has made the host institution a leading Department of international reference in this new and exciting field of research.