Upper Silurian
preferred label: سیلورین فوقانی @fa
type: Concept
related: Niur Formation

Gushkamar Group
preferred label: گروه گوشکمر @fa
type: Concept
narrower: Niur Formation

Central Iran Zone
preferred label: زون ایران مرکزی @fa
type: Concept
related: Niur Formation

Silurian
preferred label: سیلورین @fa
type: Concept
related: Niur Formation

Niur Formation
preferred label: سازند نیور @fa
type: Concept
related: Silurian
related: Central Iran Zone
related: Middle Silurian
related: Paleozoic
related: Upper Silurian
broader: Gushkamar Group

Paleozoic
preferred label: پالئوزوئیک(دوران) @fa
type: Concept
related: Niur Formation

Middle Silurian
preferred label: سیلورین میانی @fa
type: Concept
related: Niur Formation