The present study was carried out for investigating the growth relationships between magnesiochromite inclusions and its diamond hosts, in order to determine its genetic nature, expressed in terms of singenesis (simultaneous growth between diamonds and inclusions) or protogenesis (pre-existing inclusions with respect to the diamonds). The aim is to understand if magnesiochromite and diamond grow in epitaxy, namely according to a specific crystallographic relationship, through the analysis of the crystallographic orientation relationship between magnesiochromite and diamond determined by single crystal X-ray diffraction on a total of 14 inclusions of magnesiochromite still trapped inside 8 lithospheric diamonds, coming from the major kimberlite districts (Udachnaya mine, Siberia; Damtshaa mine, Botswana; Panda mine, Canada).

Relazioni di crescita tra magnesiocromite e diamanti: implicazioni sulla singenesi/protogenesi

Antignani, Pia Antonietta
2017/2018

Abstract

The present study was carried out for investigating the growth relationships between magnesiochromite inclusions and its diamond hosts, in order to determine its genetic nature, expressed in terms of singenesis (simultaneous growth between diamonds and inclusions) or protogenesis (pre-existing inclusions with respect to the diamonds). The aim is to understand if magnesiochromite and diamond grow in epitaxy, namely according to a specific crystallographic relationship, through the analysis of the crystallographic orientation relationship between magnesiochromite and diamond determined by single crystal X-ray diffraction on a total of 14 inclusions of magnesiochromite still trapped inside 8 lithospheric diamonds, coming from the major kimberlite districts (Udachnaya mine, Siberia; Damtshaa mine, Botswana; Panda mine, Canada).
2017-06-28
16
Diamond, Magnesiochromite, Protogenesis, Syngenesis, Crystallographic orientation
File in questo prodotto:
File Dimensione Formato  
Pia_Antignani_tesi_giugno_2017.pdf

accesso aperto

Dimensione 2.11 MB
Formato Adobe PDF
2.11 MB Adobe PDF Visualizza/Apri

The text of this website © Università degli studi di Padova. Full Text are published under a non-exclusive license. Metadata are under a CC0 License

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12608/24713