一、引言2009年8~11月,甘肃省文物考古研究所对甘肃秦安县王洼战国墓地的三座墓葬进行了抢救发掘,三座墓葬均为竖穴偏洞室墓,与马家塬墓地同属战国时代的西戎文化。出土器物以车马器和容器为主。金属器物以铜器为主,铁器仅两件,分别是M2出土一件铜鞘铁刀(M2人骨:23),M3出土一件铁矛(M3:59)~([1])。由于出土铁器数量少, I. INTRODUCTION From August to November 2009, Gansu Provincial Institute of Cultural Relics and Archeology conducted the rescue and excavation of three tombs of the Warring States Period at Wangwa Warring States Period in Qin’an County, Gansu Province. The three tombs are both partial cave tombs and the Majiayuan Cemetery Both belong to the Warring States period Xirong culture. Unearthed objects to horses and containers mainly. Metal objects are mainly copper, with only two pieces of iron. They are a copper sheath (M2 human bone: 23) unearthed from M2, and an iron spear (M3: 59) ~ ([1]) unearthed from M3. Due to the small number of unearthed ironwork,