據介(jie)紹,潼關(guan)(guan)(guan)為(wei)中(zhong)國古代著名的(de)關(guan)(guan)(guan)隘之(zhi)一,位于(yu)秦、晉、豫三(san)省要沖的(de)黃(huang)河、渭(wei)河交匯處南(nan)岸臺(tai)地上。據文獻記載,潼關(guan)(guan)(guan)在東(dong)(dong)漢以(yi)前還未設(she)關(guan)(guan)(guan)城(cheng)(cheng),東(dong)(dong)漢末年(nian)(nian),曹(cao)操(cao)為(wei)防御關(guan)(guan)(guan)西(xi)兵(bing)亂,于(yu)建(jian)安元年(nian)(nian)(公元196年(nian)(nian))始(shi)設(she)潼關(guan)(guan)(guan),同時廢(fei)棄函(han)谷(gu)關(guan)(guan)(guan)。到隋(sui)大業七年(nian)(nian)(611年(nian)(nian)),移關(guan)(guan)(guan)城(cheng)(cheng)于(yu)南(nan)北連城(cheng)(cheng)間的(de)坑(keng)獸檻谷(gu),即禁溝口。唐(tang)天授二年(nian)(nian)(691年(nian)(nian)),又遷(qian)隋(sui)潼關(guan)(guan)(guan)城(cheng)(cheng)于(yu)黃(huang)、渭(wei)河南(nan)岸。1959年(nian)(nian)因修建(jian)三(san)門峽水庫,潼關(guan)(guan)(guan)城(cheng)(cheng)搬遷(qian)而廢(fei)沒(mei)。
潼(tong)關十二(er)(er)連(lian)城(cheng)是當地著名(ming)的文物(wu)遺(yi)(yi)址(zhi)(zhi),又名(ming)烽火(huo)(huo)臺(tai)(tai)(tai),俗稱墩臺(tai)(tai)(tai),位于(yu)距潼(tong)關縣城(cheng)東(dong)約(yue)三(san)公里的禁(jin)溝(gou)西岸。此次(ci),他(ta)們在(zai)十二(er)(er)連(lian)城(cheng)烽火(huo)(huo)臺(tai)(tai)(tai)遺(yi)(yi)址(zhi)(zhi)沿線(xian)獲得重(zhong)要發現——在(zai)距離“北七烽火(huo)(huo)臺(tai)(tai)(tai)遺(yi)(yi)址(zhi)(zhi)”西北20米(mi)處(chu)的禁(jin)溝(gou)崖壁上(shang),發現了約(yue)15厘米(mi)厚(hou)的漢代(dai)建(jian)筑材料堆(dui)積層,現場出土了繩紋板瓦(wa)等(deng)遺(yi)(yi)物(wu)。十二(er)(er)連(lian)城(cheng)烽火(huo)(huo)臺(tai)(tai)(tai)遺(yi)(yi)址(zhi)(zhi)為(wei)早年公布的省級文物(wu)保護單位,其(qi)時(shi)代(dai)原定(ding)為(wei)唐—清。后有學(xue)者認(ren)為(wei)其(qi)時(shi)代(dai)上(shang)限(xian)應在(zai)漢魏時(shi)期,還有學(xue)者認(ren)為(wei)其(qi)時(shi)代(dai)當早到西周(zhou)。專家組這(zhe)次(ci)實地指導(dao)直接深入一線(xian),通過細致的訪詢復(fu)查,解決了不少疑難問題。這(zhe)次(ci)的重(zhong)要發現,為(wei)十二(er)(er)連(lian)城(cheng)烽火(huo)(huo)臺(tai)(tai)(tai)遺(yi)(yi)址(zhi)(zhi)的年代(dai)定(ding)性(xing)提(ti)供了珍貴的第一手實物(wu)資料。