This paper is the first attempt to study mineralogical and geochemical features of mineralization hosted within volcanic rocks Baska Piwaza section, at Halgurd Mountain, which highest mountain in Kurdistan whole Iraq. The host lithologies studied section represent mostly (basalts andesites), secondary sedimentary lithologies, such as radiolarian chert. There are two main stages oxide sulfide th...

This paper presents, for the first time ever, a complete list of Cenozoic Polycystinea reported between 1834 and 2020. It records 6898 names taxa originally described as new species or subspecies, assigned to Class Polycystinea, most important group in infraphylum Radiolaria. only attempts provide an objective record available unavailable names, latter including nomina oblita, nuda, homonyms, i...