A Erlacher, M Zeug, R SK0DA… - Journal of the …, 2021 - researchgate.net
Two radioactive mineral specimens (with compositions Th02 2.9--4.6 wt% and U02 5.8-7.8 wt%, respectively), collected from a placer deposit near Kolonna and a quarry near …
Работа выполнена под руководством доктора геолого-минералогических наук Олега Иоханнесовича Сийдры (профессор кафедры кристаллографии, Институт наук о …
The work was carried out under the supervision of Dr. Oleg Iohannesovich Siidra (Professor, Department of Crystallography, St. Petersburg State University) and Dr. Marie Colmont …
A fairly large (ca. 15 cm), massive glassy specimen of nearly black bulk colour, found in Ratnapura district, was identified as metamict gadolinite–(Y) based on its chemical …
D Malczewski, A Grabias - Nukleonika, 2017 - sciendo.com
The preliminary results of 57Fe Mössbauer spectroscopy and X-ray diffraction (XRD) of fully metamict samarskite dated at~ 1500 Ma, which absorbed α-dose of 6.5× 1017 α-decay mg …