Haplogroup N is Mongoloid where as R1a is not Mongoloid however it's been found Mongoloids predating the Turkic language and ethnicity.
The fact that these Part Mongoloid males have R1a buried with Caucasoid females is evidence that Turkic conquerors were both Mongoloid and Mongoloid/Caucasoid mix.
Pazyryk culture
" Craniological studies of samples from the Pazyryk burials revealed the presence of both Mongoloid and Caucasoid components in this population.[6] quoting G. F. Debets on the physical characteristics of the population in the Pazyryk kurgans, records a mixed population. The
men would seem to be part Mongoloid and the
women Europoid.[7] "
History Unearthed: A Survey of Eighteen Archaeological Sites Throughout the World
" Though almost 3000 miles separate the Scythian Empire from Pazyryk, both belonged to a world shared by peoples of different origins and languages (in one burial the
man is of Mongoloid, the
woman of Indo-European type) with a common
burials of
Europoid females and
part Mongoloid males. "
Anayino culture
Sculptural reconstruction of men Lugovskyi burial
Ananyino culture. Gypsum. MMGerasimov work.
" Reconstruction of the mounds number 5, 6 show burial Stone Barn in racial make
women Ural mixed type men - striking features of Central Asian Mongoloid."
http://www.imageup.ru/img195/1641901/tyurk1.jpg
http://www.imageup.ru/img195/1641909/f-u1.jpg