地处沂蒙山区北侧的临朐县,境内蕴藏着丰富的岩浆岩,以海拔1031米的沂山为中心,周围分布着大量红色花岗石岩体。1984年发现并开采的第一处“沂山红”花岗石矿,经过十年的开采加工,投入市场之后,受到用户的好评。“沂山红”花岗石矿属二长细粒花岗岩,石英、钾长石、云母等矿物在岩矿中呈等粒状分布,结构 Located in Linyi County on the north side of the Yimeng Mountainous region, the territory is rich in magmatic rocks. It is centered on Lushan Mountain, which is 1031 meters above sea level, and is surrounded by a large number of red granite rock bodies. The first “Gangshan Red” granite mine discovered and mined in 1984 was well-received by users after ten years of mining and processing. The “Ganshanhong” granite is a type of long-grained granite, and quartz, potash feldspar, mica and other minerals are in a granular distribution in the rock, structure