Srx GeosciencesPub Date : 1900-01-01DOI: 10.3814/2010/504243
S. Simakov, V. Dubinchuk, M. P. Novikov, N. Melnik
{"title":"Metastable Nanosized Diamond Formation from Fluid Phase","authors":"S. Simakov, V. Dubinchuk, M. P. Novikov, N. Melnik","doi":"10.3814/2010/504243","DOIUrl":"https://doi.org/10.3814/2010/504243","url":null,"abstract":"There is evidence that part of kimberlitic microdiamonds was formed at low P-T parameters corresponding to graphite stability. Microdiamonds were also discovered in ultramafic, volcanic, and different metamorphic crust rocks formed at low P-T parameters. The formation of these diamonds is probably caused by introduction of metasomatic fluids at metastable P-T parameters. In our experiments nanosized (70–80 nm) diamonds were synthesized at earth crust P-T parameters from fluid phase. Their presence was confirmed by Raman spectroscopy and electronic microscopy methods.","PeriodicalId":425344,"journal":{"name":"Srx Geosciences","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125411221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}