The intrusion includes foid gabbros at the margins and foid monzodiorites towards the center.
Roghieh Doroozi, Carmela Vaccaro, Fariborz Masoudi 2017, 'Mesozoic alkaline plutonism: Evidence for extensional phase in Alpine-Himalayan orogenicbelt in Central Alborz, north Iran', Solid Earth Scienceshttp://www.sciencedirect.com/science/article/pii/S2451912X17300235. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)