Definition: The term "syenitic" is a geological term that refers to rocks composed mainly of silicate minerals, such as quartz and feldspar. These rocks are often found in areas with high levels of volcanic activity or tectonic plate movement, which can lead to the formation of distinct rock types like syenites, which have a distinctive coloration and texture. Syenitic rocks are also commonly found in the Middle East, where they are associated with theζ²η§―岩εε质岩