The Islamic conquest of Iran happened in the late 7th century. The aforementioned remains were probably from the 9th/10th century. However, in that time there w

The Islamic conquest of Iran happened in the late 7th century. The aforementioned remains were probably from the 9th/10th century. However, in that time there were still many Zoroastrians, Jews and Christians in Iran. I agree that the existence of Persian remains does not necessitate that there were Muslim vikings.