Dual energy gamma-ray axial computer tomography investigation of some metamorphic and sedimentary rocks
Duliu, Octavian G.; Rizescu, Constantin T.; Ricman, Cãlin
published: Jun 30, 2003
ArtNo. ESP155022803003, Price: 29.00 €
Four specimens of metamorphic and sedimentary rocks were investigated using 192Ir dual energy gamma-ray computer tomography. Using this methodology, tomographs depicting density as well as effective atomic number distribution with a 0.3 mm resolution were obtained. Various details were evidenced including the granular structure of augen gneiss, the well-developed foliation pattern of mica rich gneiss, the banded configuration of nummulitic limestone or the concentric disposition of calcite microcrystals in a speleothem. In addition, the corresponding image histograms rendered an identification of both major and minor components of investigated rocks possible.