1985年發現。有(you)(you)新(xin)石器時(shi)代居住遺(yi)址(zhi)和(he)(he)(he)墓葬。出(chu)(chu)土有(you)(you)彩(cai)陶(tao)(tao)罐(guan)、彩(cai)陶(tao)(tao)瓶、石器等。陶(tao)(tao)器分為紅(hong)陶(tao)(tao)、彩(cai)陶(tao)(tao)和(he)(he)(he)灰(hui)陶(tao)(tao)。其(qi)中(zhong),紅(hong)陶(tao)(tao)又分為泥(ni)質和(he)(he)(he)夾砂(sha)兩(liang)種,紋(wen)(wen)(wen)(wen)飾有(you)(you)垂(chui)幛紋(wen)(wen)(wen)(wen)、鳥眼紋(wen)(wen)(wen)(wen)、圈點紋(wen)(wen)(wen)(wen)、燕(yan)尾紋(wen)(wen)(wen)(wen)、鳥羽紋(wen)(wen)(wen)(wen)、帶狀紋(wen)(wen)(wen)(wen)和(he)(he)(he)網(wang)格紋(wen)(wen)(wen)(wen)等。彩(cai)陶(tao)(tao)施內外彩(cai)。遺(yi)址(zhi)出(chu)(chu)土彩(cai)陶(tao)(tao)的(de)器型(xing)(xing)(xing)、質地(di)和(he)(he)(he)彩(cai)繪(hui)花紋(wen)(wen)(wen)(wen)圖案,與(yu)廟(miao)底溝類(lei)型(xing)(xing)(xing)、大(da)地(di)灣(wan)類(lei)型(xing)(xing)(xing)、馬家窯類(lei)型(xing)(xing)(xing)同(tong)時(shi)期文(wen)物有(you)(you)其(qi)相同(tong)之處,也(ye)有(you)(you)不(bu)同(tong)之處,是馬家窯文(wen)化中(zhong)的(de)一個新(xin)類(lei)型(xing)(xing)(xing)。另有(you)(you)齊家文(wen)化的(de)泥(ni)質紅(hong)陶(tao)(tao)和(he)(he)(he)夾砂(sha)紅(hong)陶(tao)(tao)片,紋(wen)(wen)(wen)(wen)飾有(you)(you)籃紋(wen)(wen)(wen)(wen)、繩紋(wen)(wen)(wen)(wen)、刻劃(hua)紋(wen)(wen)(wen)(wen),器形有(you)(you)高領罐(guan)、鼓腹折肩罐(guan)、盆、壺等。遺(yi)址(zhi)范圍內還有(you)(you)唐疊州城址(zhi)及烽(feng)火臺。
然鬧遺址是甘肅(su)南部地(di)區大型新石器(qi)時代遺址,保存較好,內涵(han)(han)豐(feng)富,面積大,既有(you)居址,又有(you)墓葬(zang),對研究馬家(jia)窯文(wen)化的(de)分布(bu)范圍(wei)、文(wen)化內涵(han)(han)以(yi)及演變發展具(ju)有(you)重要(yao)價值。