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成都平原(yuan)史前城(cheng)(cheng)址(zhi)包括四川省成都新津縣龍馬鄉(xiang)(xiang)的(de)寶墩古(gu)(gu)城(cheng)(cheng)址(zhi)、郫都區(qu)(qu)古(gu)(gu)城(cheng)(cheng)鄉(xiang)(xiang)的(de)鄲(dan)縣古(gu)(gu)城(cheng)(cheng)址(zhi)、溫江區(qu)(qu)萬(wan)春鎮的(de)魚鳧古(gu)(gu)城(cheng)(cheng)址(zhi)、都江堰(yan)市青城(cheng)(cheng)鄉(xiang)(xiang)的(de)芒城(cheng)(cheng)古(gu)(gu)城(cheng)(cheng)址(zhi)、崇州市上元鄉(xiang)(xiang)的(de)雙河古(gu)(gu)城(cheng)(cheng)址(zhi)及燎原(yuan)鄉(xiang)(xiang)的(de)紫竹古(gu)(gu)城(cheng)(cheng)址(zhi)等(deng)，是迄今所知中(zhong)國西南地區(qu)(qu)發現年代早、規模大、分布密集的(de)史前城(cheng)(cheng)址(zhi)群，年代距今約4500～4000年左右。
成都平原史前(qian)城(cheng)址是四(si)川考古學上(shang)一次全新的(de)(de)發(fa)現和突破。對(dui)于(yu)建立四(si)川地(di)區新石(shi)器時代(dai)到(dao)青銅時代(dai)的(de)(de)文化(hua)發(fa)展序列、探索長江上(shang)游地(di)區文明起(qi)源等問題(ti)具有重要的(de)(de)學術價值。
2001年，成都平原史前(qian)城址被國務院公布為第五批全國重點文物(wu)保護單位(wei)。
位(wei)干(gan)四(si)川(chuan)(chuan)省(sheng)成(cheng)(cheng)都(dou)(dou)市新津縣城(cheng)西北的(de)(de)(de)龍馬鄉寶(bao)墩(dun)村，地形(xing)奇特，在一(yi)馬平川(chuan)(chuan)的(de)(de)(de)綠色沃(wo)野(ye)上凸現(xian)出一(yi)圈不規(gui)則的(de)(de)(de)脊梁似的(de)(de)(de)黃(huang)土埂子。埂內阡陌(mo)縱橫，溝渠交錯(cuo)。溝底和兩側往往會發現(xian)一(yi)些散(san)碎(sui)的(de)(de)(de)磚瓦器物(wu)(wu)(wu)。1995年(nian)，成(cheng)(cheng)都(dou)(dou)市文物(wu)(wu)(wu)考古(gu)(gu)(gu)研究所、四(si)川(chuan)(chuan)大學考古(gu)(gu)(gu)系(xi)及日本早稻(dao)田大學聯(lian)合對寶(bao)墩(dun)村進行考古(gu)(gu)(gu)發掘(jue)，經(jing)四(si)個月(yue)發掘(jue)后確(que)認，黃(huang)土埂子圈起的(de)(de)(de)地方是距今約四(si)、五千年(nian)的(de)(de)(de)古(gu)(gu)(gu)城(cheng)遺址(zhi)，散(san)碎(sui)的(de)(de)(de)磚瓦器物(wu)(wu)(wu)是蜀(shu)地先民(min)早在四(si)、五千年(nian)前就進入文明的(de)(de)(de)物(wu)(wu)(wu)證，比三星堆和金沙(sha)遺址(zhi)年(nian)代還要早，屬成(cheng)(cheng)都(dou)(dou)平原古(gu)(gu)(gu)蜀(shu)文明的(de)(de)(de)早階段。
寶(bao)墩古(gu)(gu)城遺址系龍山時代古(gu)(gu)城遺址，對探索長(chang)江上游地區(qu)的文明起源有著極為(wei)重要的意義，是繼廣漢三星堆藏坑之(zhi)后，四川地區(qu)又(you)一重要發(fa)現，在(zai)中(zhong)(zhong)外考古(gu)(gu)界引起了轟(hong)動，并(bing)在(zai)1996 年(nian)全國十大考古(gu)(gu)新發(fa)現中(zhong)(zhong)排名第三。
地處成(cheng)都平原(yuan)腹心地帶的郫都區古(gu)城(cheng)(cheng)(cheng)鄉，當地老百姓傳說為三(san)國蜀漢丞相(xiang)諸葛(ge)亮養(yang)馬的“養(yang)馬城(cheng)(cheng)(cheng)”。城(cheng)(cheng)(cheng)址(zhi)平面呈(cheng)長(chang)方(fang)(fang)形，城(cheng)(cheng)(cheng)垣長(chang)650、寬500米，面積(ji)32.5萬(wan)平方(fang)(fang)米；城(cheng)(cheng)(cheng)址(zhi)中部發現有面積(ji)達(da)550平方(fang)(fang)米的禮儀性建(jian)筑。文化層(ceng)(ceng)堆積(ji)有新(xin)石(shi)器時(shi)代晚期(qi)、漢代和宋代三(san)個時(shi)期(qi)的堆積(ji)。以(yi)新(xin)石(shi)器時(shi)代晚期(qi)文化層(ceng)(ceng)豐富，厚達(da)80厘米，可分上(shang)、下兩層(ceng)(ceng)。城(cheng)(cheng)(cheng)內有房址(zhi)，房址(zhi)地面起建(jian)，呈(cheng)方(fang)(fang)形，挖(wa)基槽，作木骨泥(ni)墻。出土遺物(wu)主要是陶(tao)(tao)器和石(shi)器。下層(ceng)(ceng)夾砂陶(tao)(tao)和泥(ni)質陶(tao)(tao)多半，上(shang)層(ceng)(ceng)則以(yi)夾砂陶(tao)(tao)為主，褐陶(tao)(tao)多見(jian)，灰陶(tao)(tao)較少(shao)，紋(wen)飾以(yi)繩(sheng)紋(wen)、方(fang)(fang)格(ge)紋(wen)、戳(chuo)印紋(wen)為主，器形以(yi)外折(zhe)沿花邊口(kou)罐、盤(pan)口(kou)形器、喇(la)叭高頸罐、寬折(zhe)沿深腹罐為常(chang)見(jian)，也(ye)有少(shao)量帶耳器，另有陶(tao)(tao)紡輪。石(shi)器均磨制，有斧、錛、鑿等。
城(cheng)(cheng)(cheng)(cheng)址位(wei)于溫江區萬春鎮魚(yu)(yu)鳧(fu)村，當(dang)地(di)老百(bai)姓傳說是古蜀(shu)王魚(yu)(yu)鳧(fu)的(de)(de)都邑所在地(di)，習(xi)稱“魚(yu)(yu)鳧(fu)城(cheng)(cheng)(cheng)(cheng)”。城(cheng)(cheng)(cheng)(cheng)址呈平(ping)面(mian)呈不規則的(de)(de)六邊(bian)形(xing)，面(mian)積(ji)(ji)40萬平(ping)方(fang)米。經調查(cha)、鉆探(tan)，了(le)解到城(cheng)(cheng)(cheng)(cheng)垣(yuan)呈西(xi)(xi)北(bei)至東(dong)南向，南垣(yuan)長約600米；東(dong)垣(yuan)呈外(wai)弧形(xing)，長440米，西(xi)(xi)垣(yuan)長370米，東(dong)北(bei)垣(yuan)長280米，城(cheng)(cheng)(cheng)(cheng)址面(mian)積(ji)(ji)約2萬平(ping)方(fang)米。南垣(yuan)東(dong)端一(yi)處現存高3.5、頂寬15.5、腳寬30米，墻(qiang)建于臺(tai)地(di)邊(bian)緣，墻(qiang)的(de)(de)構(gou)筑方(fang)法為(wei)(wei)斜(xie)坡堆(dui)筑形(xing)式(shi)，墻(qiang)下有(you)(you)(you)一(yi)層(ceng)小卵(luan)(luan)石層(ceng)，可能(neng)為(wei)(wei)墻(qiang)基。墻(qiang)外(wai)側(ce)也(ye)有(you)(you)(you)卵(luan)(luan)石與土層(ceng)相間的(de)(de)層(ceng)位(wei)。系人(ren)工所為(wei)(wei)。城(cheng)(cheng)(cheng)(cheng)址中(zhong)(zhong)發(fa)現新石器(qi)(qi)時(shi)代(dai)晚期、漢代(dai)和唐代(dai)三個時(shi)期文化(hua)層(ceng)，以(yi)新石器(qi)(qi)時(shi)代(dai)文化(hua)堆(dui)積(ji)(ji)豐富，集中(zhong)(zhong)在城(cheng)(cheng)(cheng)(cheng)址的(de)(de)東(dong)部(bu)和北(bei)部(bu)。所出(chu)陶器(qi)(qi)以(yi)夾砂褐陶為(wei)(wei)主(zhu)，夾砂灰(hui)陶、泥(ni)質(zhi)灰(hui)陶和泥(ni)質(zhi)褐陶較少(shao)，還有(you)(you)(you)少(shao)量(liang)(liang)(liang)黑皮陶。夾砂陶多見繩(sheng)紋(wen)(wen)裝飾，另有(you)(you)(you)少(shao)量(liang)(liang)(liang)戳印(yin)紋(wen)(wen)及圈足上(shang)的(de)(de)鏤孔；泥(ni)質(zhi)陶主(zhu)要飾戳印(yin)紋(wen)(wen)、附加泥(ni)條上(shang)戳印(yin)、篦(bi)劃平(ping)行線紋(wen)(wen)、水(shui)波(bo)紋(wen)(wen)及少(shao)量(liang)(liang)(liang)弦(xian)紋(wen)(wen)和瓦棱紋(wen)(wen)。以(yi)小平(ping)底(di)器(qi)(qi)器(qi)(qi)底(di)施旋轉樣繩(sheng)紋(wen)(wen)有(you)(you)(you)特色。器(qi)(qi)形(xing)以(yi)夾砂花邊(bian)口(kou)(kou)(kou)罐(guan)、小平(ping)底(di)假圈足敞口(kou)(kou)(kou)罐(guan)，泥(ni)質(zhi)喇叭口(kou)(kou)(kou)高領罐(guan)、寬折沿(yan)罐(guan)為(wei)(wei)代(dai)表。還有(you)(you)(you)少(shao)量(liang)(liang)(liang)盤口(kou)(kou)(kou)形(xing)器(qi)(qi)和帶耳(er)器(qi)(qi)，其中(zhong)(zhong)圈足器(qi)(qi)較獨特，石器(qi)(qi)以(yi)小型為(wei)(wei)主(zhu)，多為(wei)(wei)磨制，主(zhu)要有(you)(you)(you)錛(ben)、斧、鑿和穿孔石器(qi)(qi)。
城(cheng)(cheng)(cheng)(cheng)址位于都(dou)江(jiang)堰市青城(cheng)(cheng)(cheng)(cheng)鄉芒城(cheng)(cheng)(cheng)(cheng)村(cun)，當地老(lao)百姓俗(su)稱“芒城(cheng)(cheng)(cheng)(cheng)子”，傳說(shuo)為(wei)明末張獻忠于匆忙中(zhong)(zhong)修建的“忙城(cheng)(cheng)(cheng)(cheng)”。城(cheng)(cheng)(cheng)(cheng)址平(ping)面(mian)呈不規則的長方形(xing)，為(wei)內(nei)外(wai)雙圈(quan)城(cheng)(cheng)(cheng)(cheng)墻，內(nei)外(wai)城(cheng)(cheng)(cheng)(cheng)墻間有(you)(you)壕溝，面(mian)積約(yue)12萬平(ping)方米。城(cheng)(cheng)(cheng)(cheng)內(nei)堆積有(you)(you)新石(shi)器時(shi)代(dai)(dai)和宋(song)代(dai)(dai)兩大(da)時(shi)期(qi)的文化層(ceng)。以(yi)新石(shi)器時(shi)代(dai)(dai)文化層(ceng)為(wei)主(zhu)，可分5層(ceng)，遺(yi)物以(yi)陶(tao)(tao)器為(wei)主(zhu)，還(huan)有(you)(you)一定數(shu)量(liang)的石(shi)器。陶(tao)(tao)器種類較(jiao)少，制法以(yi)手制加慢輪(lun)修整為(wei)主(zhu)，泥質陶(tao)(tao)所占比重較(jiao)大(da)，陶(tao)(tao)色多紅褐和橙黃色，灰陶(tao)(tao)相(xiang)對較(jiao)少，陶(tao)(tao)質較(jiao)軟，代(dai)(dai)表(biao)性器物有(you)(you)喇叭口(kou)高頸罐、寬折沿盆(pen)和寬折沿罐、器蓋及少量(liang)帶柄圈(quan)足豆。器表(biao)以(yi)素面(mian)為(wei)主(zhu)，紋(wen)(wen)飾(shi)中(zhong)(zhong)主(zhu)要見兩三道平(ping)行(xing)劃紋(wen)(wen)及由劃紋(wen)(wen)組(zu)合(he)成的幾何紋(wen)(wen)、少量(liang)凹弦(xian)紋(wen)(wen)等。夾(jia)砂陶(tao)(tao)中(zhong)(zhong)以(yi)外(wai)褐內(nei)灰或內(nei)黑陶(tao)(tao)居多，紋(wen)(wen)飾(shi)以(yi)繩紋(wen)(wen)為(wei)主(zhu)，另有(you)(you)戳印紋(wen)(wen)，器形(xing)以(yi)外(wai)折沿紋(wen)(wen)唇花(hua)邊口(kou)罐和圈(quan)足器為(wei)代(dai)(dai)表(biao)，還(huan)有(you)(you)一定數(shu)量(liang)的盤口(kou)形(xing)器。石(shi)器均磨制，有(you)(you)斧、錛(ben)、鑿。
城(cheng)(cheng)址(zhi)(zhi)位于崇州市上(shang)元鄉芒(mang)城(cheng)(cheng)村(cun)雙(shuang)河場，當地(di)俗(su)稱“下芒(mang)城(cheng)(cheng)”。古城(cheng)(cheng)面積約15萬平(ping)方(fang)(fang)米(mi)(mi)，城(cheng)(cheng)址(zhi)(zhi)基本(ben)呈(cheng)正南(nan)北方(fang)(fang)向，城(cheng)(cheng)垣分(fen)內外兩圈，內、外圈間(jian)距約15米(mi)(mi)，東(dong)垣內圈城(cheng)(cheng)垣保存(cun)好，長(chang)約450米(mi)(mi)，城(cheng)(cheng)垣最高達4米(mi)(mi)，結構(gou)與(yu)(yu)都江堰芒(mang)城(cheng)(cheng)相似。對該(gai)遺址(zhi)(zhi)進行試掘時，發現人工柱(zhu)洞14個，內有礎(chu)石(shi)(shi)；其平(ping)面大致呈(cheng)“十”字形，面積超過60平(ping)方(fang)(fang)米(mi)(mi)，與(yu)(yu)挖(wa)溝槽(cao)埋柱(zhu)的(de)(de)木(mu)骨泥墻式房(fang)屋有較大的(de)(de)差別。此城(cheng)(cheng)址(zhi)(zhi)地(di)層(ceng)堆(dui)積較薄，遺物較單純，陶器(qi)變化(hua)較小；較有特色(se)的(de)(de)出土器(qi)物是一(yi)件三孔石(shi)(shi)鉞和呈(cheng)透明狀(zhuang)的(de)(de)燧石(shi)(shi)質石(shi)(shi)片石(shi)(shi)器(qi)。
位(wei)(wei)于(yu)成都平(ping)(ping)原西(xi)部(bu)崇州(zhou)市區西(xi)南(nan)13公里處的(de)燎原鄉紫(zi)竹(zhu)村，東北距(ju)(ju)西(xi)河(he)8公里，距(ju)(ju)岷江21公里。城(cheng)(cheng)址(zhi)平(ping)(ping)面(mian)(mian)呈長(chang)方(fang)形(xing)(xing)(xing)(xing)(xing)，面(mian)(mian)積(ji)近20萬平(ping)(ping)方(fang)米。城(cheng)(cheng)垣(yuan)(yuan)分內(nei)、外兩圈(quan)(quan)， 呈“回”字形(xing)(xing)(xing)(xing)(xing)，與已(yi)發(fa)現的(de)都江堰芒城(cheng)(cheng)、崇州(zhou)雙河(he)古城(cheng)(cheng)平(ping)(ping)面(mian)(mian)形(xing)(xing)(xing)(xing)(xing)制相(xiang)近。城(cheng)(cheng)垣(yuan)(yuan)一般寬15米左右(you)，內(nei)、外城(cheng)(cheng)垣(yuan)(yuan)間(jian)距(ju)(ju)約10米，現存高(gao)度約1——1.5米。對紫(zi)竹(zhu)古城(cheng)(cheng)的(de)試掘(jue)工作，先(xian)后在城(cheng)(cheng)址(zhi)內(nei)東南(nan)部(bu)、西(xi)南(nan)部(bu)布探(tan)方(fang)發(fa)掘(jue)，并對西(xi)垣(yuan)(yuan)內(nei)圈(quan)(quan)、北垣(yuan)(yuan)內(nei)圈(quan)(quan)城(cheng)(cheng)墻進行解剖，試掘(jue)面(mian)(mian)積(ji)121平(ping)(ping)方(fang)米；清理寶墩文化灰(hui)(hui)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)9個，紅燒土(tu)(tu)堆積(ji)1處，柱洞1個。灰(hui)(hui)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)平(ping)(ping)面(mian)(mian)形(xing)(xing)(xing)(xing)(xing)狀(zhuang)分不(bu)(bu)規則(ze)形(xing)(xing)(xing)(xing)(xing)、長(chang)方(fang)形(xing)(xing)(xing)(xing)(xing)、圓形(xing)(xing)(xing)(xing)(xing)、橢(tuo)圓形(xing)(xing)(xing)(xing)(xing)和(he)三(san)角(jiao)形(xing)(xing)(xing)(xing)(xing)幾種(zhong)，其(qi)中以不(bu)(bu)規則(ze)形(xing)(xing)(xing)(xing)(xing)灰(hui)(hui)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)較(jiao)為(wei)常(chang)見。6號(hao)灰(hui)(hui)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)口為(wei)第(di)3層所(suo)壓，7號(hao)灰(hui)(hui)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)打(da)(da)破6號(hao)灰(hui)(hui)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)，6號(hao)灰(hui)(hui)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)打(da)(da)破生土(tu)(tu)。平(ping)(ping)面(mian)(mian)形(xing)(xing)(xing)(xing)(xing)狀(zhuang)為(wei)不(bu)(bu)規則(ze)形(xing)(xing)(xing)(xing)(xing)，西(xi)部(bu)有(you)(you)一近方(fang)形(xing)(xing)(xing)(xing)(xing)的(de)淺坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)。灰(hui)(hui)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)長(chang)328厘(li)米、寬200厘(li)米，坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)口距(ju)(ju)地表深(shen)25厘(li)米、距(ju)(ju)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)底(di)深(shen)46——80厘(li)米。坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)壁不(bu)(bu)規整，有(you)(you)直(zhi)壁、亦有(you)(you)斜壁，底(di)大(da)致(zhi)平(ping)(ping)。灰(hui)(hui)黑色(se)填土(tu)(tu)，濕潤，略呈沙性；雜有(you)(you)較(jiao)多炭屑(xie)。灰(hui)(hui)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)周邊(bian)壁、底(di)結合處，有(you)(you)內(nei)凹的(de)小(xiao)坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)，或為(wei)腳窩。出土(tu)(tu)物(wu)極為(wei)豐(feng)富，有(you)(you)寶墩文化陶圈(quan)(quan)足(zu)尊、夾(jia)砂矮(ai)圈(quan)(quan)足(zu)、喇(la)叭口高(gao)領罐、繩紋(wen)花邊(bian)罐、篦劃紋(wen)泥質(zhi)陶壺底(di)片、橋形(xing)(xing)(xing)(xing)(xing)耳、紡輪和(he)石錛等遺物(wu)。紅燒土(tu)(tu)堆積(ji)位(wei)(wei)于(yu)1號(hao)探(tan)方(fang)西(xi)北角(jiao)，為(wei)第(di)3層所(suo)疊壓，打(da)(da)破第(di)4層。平(ping)(ping)面(mian)(mian)形(xing)(xing)(xing)(xing)(xing)狀(zhuang)略呈圓形(xing)(xing)(xing)(xing)(xing)，直(zhi)徑約2米，堆積(ji)厚約15厘(li)米。該(gai)堆積(ji)全由紅燒土(tu)(tu)塊組成，土(tu)(tu)塊堅(jian)硬，經火(huo)燒烤時間(jian)較(jiao)長(chang)，可能是(shi)一灶坑(keng)(keng)(keng)(keng)(keng)(keng)(keng)所(suo)在。清理部(bu)分沒有(you)(you)其(qi)它文化遺物(wu)出土(tu)(tu)。
成都(dou)平(ping)(ping)原史前(qian)城(cheng)(cheng)(cheng)址(zhi)于20世紀(ji)60年代、80年代考(kao)古(gu)(gu)調(diao)查時相(xiang)繼發(fa)現(xian)(xian)。發(fa)現(xian)(xian)有(you)用(yong)于防御的(de)高聳(song)城(cheng)(cheng)(cheng)墻(qiang)(qiang)、禮(li)儀(yi)(yi)性(xing)大房址(zhi)、干欄式建(jian)(jian)筑、木骨或竹(zhu)骨泥墻(qiang)(qiang)房址(zhi)、長方(fang)形(xing)(xing)豎穴土坑(keng)墓和種(zhong)類多樣(yang)的(de)灰坑(keng)，出土了大量磨制精細的(de)石器和裝(zhuang)飾精美的(de)陶器。這些(xie)古(gu)(gu)城(cheng)(cheng)(cheng)址(zhi)建(jian)(jian)筑技(ji)術相(xiang)同，文(wen)化(hua)性(xing)質單(dan)一，是寶墩文(wen)化(hua)的(de)中(zhong)(zhong)心聚落遺址(zhi)。寶墩古(gu)(gu)城(cheng)(cheng)(cheng)平(ping)(ping)面(mian)(mian)呈(cheng)長方(fang)形(xing)(xing)，面(mian)(mian)積(ji)(ji)達60萬(wan)平(ping)(ping)方(fang)米(mi)。郫縣(xian)古(gu)(gu)城(cheng)(cheng)(cheng)地處成都(dou)平(ping)(ping)原腹心地帶(dai)，平(ping)(ping)面(mian)(mian)也呈(cheng)長方(fang)形(xing)(xing)，總面(mian)(mian)積(ji)(ji)30余萬(wan)平(ping)(ping)方(fang)米(mi)，城(cheng)(cheng)(cheng)址(zhi)中(zhong)(zhong)部發(fa)現(xian)(xian)有(you)面(mian)(mian)積(ji)(ji)達550平(ping)(ping)方(fang)米(mi)的(de)禮(li)儀(yi)(yi)性(xing)建(jian)(jian)筑。魚鳧古(gu)(gu)城(cheng)(cheng)(cheng)，平(ping)(ping)面(mian)(mian)呈(cheng)六邊形(xing)(xing)，面(mian)(mian)積(ji)(ji)40萬(wan)平(ping)(ping)方(fang)米(mi)。芒城(cheng)(cheng)(cheng)古(gu)(gu)城(cheng)(cheng)(cheng)，為(wei)內外(wai)雙圈城(cheng)(cheng)(cheng)墻(qiang)(qiang)，內外(wai)城(cheng)(cheng)(cheng)墻(qiang)(qiang)間(jian)有(you)壕溝，面(mian)(mian)積(ji)(ji)11萬(wan)平(ping)(ping)方(fang)米(mi)。雙河(he)古(gu)(gu)城(cheng)(cheng)(cheng)、紫竹(zhu)古(gu)(gu)城(cheng)(cheng)(cheng)，其(qi)平(ping)(ping)面(mian)(mian)也均(jun)呈(cheng)長方(fang)形(xing)(xing)，面(mian)(mian)積(ji)(ji)分(fen)別(bie)為(wei)11萬(wan)平(ping)(ping)方(fang)米(mi)、20萬(wan)平(ping)(ping)方(fang)米(mi)。
