1985年發現。有新石器(qi)(qi)時(shi)代居(ju)住(zhu)遺(yi)址(zhi)(zhi)和墓葬。出(chu)土有彩(cai)陶(tao)(tao)(tao)(tao)罐、彩(cai)陶(tao)(tao)(tao)(tao)瓶、石器(qi)(qi)等(deng)。陶(tao)(tao)(tao)(tao)器(qi)(qi)分為紅陶(tao)(tao)(tao)(tao)、彩(cai)陶(tao)(tao)(tao)(tao)和灰(hui)陶(tao)(tao)(tao)(tao)。其中(zhong),紅陶(tao)(tao)(tao)(tao)又分為泥質和夾砂(sha)兩種,紋(wen)(wen)飾(shi)有垂幛紋(wen)(wen)、鳥眼紋(wen)(wen)、圈點紋(wen)(wen)、燕尾紋(wen)(wen)、鳥羽紋(wen)(wen)、帶(dai)狀紋(wen)(wen)和網格紋(wen)(wen)等(deng)。彩(cai)陶(tao)(tao)(tao)(tao)施內(nei)外彩(cai)。遺(yi)址(zhi)(zhi)出(chu)土彩(cai)陶(tao)(tao)(tao)(tao)的器(qi)(qi)型(xing)、質地和彩(cai)繪花紋(wen)(wen)圖案(an),與(yu)廟底溝類(lei)型(xing)、大地灣類(lei)型(xing)、馬(ma)家窯類(lei)型(xing)同(tong)時(shi)期文物有其相同(tong)之(zhi)處,也有不同(tong)之(zhi)處,是馬(ma)家窯文化中(zhong)的一個新類(lei)型(xing)。另有齊(qi)家文化的泥質紅陶(tao)(tao)(tao)(tao)和夾砂(sha)紅陶(tao)(tao)(tao)(tao)片,紋(wen)(wen)飾(shi)有籃紋(wen)(wen)、繩紋(wen)(wen)、刻劃(hua)紋(wen)(wen),器(qi)(qi)形有高領(ling)罐、鼓腹(fu)折肩罐、盆(pen)、壺等(deng)。遺(yi)址(zhi)(zhi)范圍(wei)內(nei)還有唐疊州城址(zhi)(zhi)及烽火臺(tai)。
然鬧遺(yi)址(zhi)(zhi)是甘肅南部(bu)地(di)區(qu)大型新石器時代遺(yi)址(zhi)(zhi),保存較好,內涵豐(feng)富,面積大,既(ji)有(you)(you)居址(zhi)(zhi),又(you)有(you)(you)墓葬,對研究馬(ma)家(jia)窯文(wen)化的分布范圍、文(wen)化內涵以及演變發展具有(you)(you)重要(yao)價(jia)值。