地理位置
陳山(shan)舊石(shi)器出(chu)土地(di)點(dian),又(you)稱(cheng)向(xiang)陽舊石(shi)器地(di)點(dian),位于宣州(zhou)市(shi)向(xiang)陽鄉夏村趙邊生產(chan)隊。東(dong)經118°52’,北(bei)緯(wei)30°52’,西(xi)北(bei)距(ju)宣州(zhou)市(shi)區15公里,水陽江在東(dong)北(bei)1000米(mi)處自東(dong)南(nan)向(xiang)西(xi)北(bei)流經。舊石(shi)器出(chu)土于一(yi)條(tiao)西(xi)南(nan)——東(dong)北(bei)走(zou)向(xiang)的隴崗(gang)東(dong)北(bei)端,當地(di)俗稱(cheng)“陳山(shan)”。陳山(shan)屬(shu)黃山(shan)山(shan)脈的余(yu)脈,海拔40-50米(mi),地(di)質分區屬(shu)下揚(yang)子地(di)層分區常州(zhou)——宣城(cheng)地(di)區小區。舊石(shi)器地(di)點(dian)面積達14萬平(ping)方米(mi)。
發掘
1987年(nian)省考(kao)古研究所調查發現,1988年(nian)上半年(nian)試掘。
試掘(jue)是(shi)依剖(pou)面邊緣開挖探溝(gou)的(de),根據地層(ceng)(ceng)(ceng)(ceng)(ceng)可分為(wei)10層(ceng)(ceng)(ceng)(ceng)(ceng)。第(di)(di)(di)(di)1層(ceng)(ceng)(ceng)(ceng)(ceng),黃(huang)(huang)褐(he)色(se)(se)粉(fen)(fen)砂(sha)(sha)質(zhi)粘(zhan)(zhan)土(tu)(tu),厚(hou)(hou)0.6-1.15米,為(wei)全新世(shi)以(yi)后擾土(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)。第(di)(di)(di)(di)2層(ceng)(ceng)(ceng)(ceng)(ceng),棕黃(huang)(huang)色(se)(se)粉(fen)(fen)砂(sha)(sha)質(zhi)粘(zhan)(zhan)土(tu)(tu),最厚(hou)(hou)處(chu)0.55米。第(di)(di)(di)(di)3層(ceng)(ceng)(ceng)(ceng)(ceng),褐(he)紅(hong)色(se)(se)粉(fen)(fen)砂(sha)(sha)質(zhi)粘(zhan)(zhan)土(tu)(tu),厚(hou)(hou)0.1-2.5米。第(di)(di)(di)(di)4層(ceng)(ceng)(ceng)(ceng)(ceng),桔黃(huang)(huang)色(se)(se)粉(fen)(fen)砂(sha)(sha)質(zhi)粘(zhan)(zhan)土(tu)(tu),厚(hou)(hou)0-0.8米。第(di)(di)(di)(di)5層(ceng)(ceng)(ceng)(ceng)(ceng),褐(he)色(se)(se)粉(fen)(fen)砂(sha)(sha)質(zhi)粘(zhan)(zhan)土(tu)(tu),厚(hou)(hou)0.2-1.5米。第(di)(di)(di)(di)6層(ceng)(ceng)(ceng)(ceng)(ceng),棕紅(hong)色(se)(se)粉(fen)(fen)砂(sha)(sha)質(zhi)粘(zhan)(zhan)土(tu)(tu),厚(hou)(hou)3.2-4.8米。第(di)(di)(di)(di)7層(ceng)(ceng)(ceng)(ceng)(ceng),黃(huang)(huang)紅(hong)色(se)(se)粉(fen)(fen)砂(sha)(sha)質(zhi)粘(zhan)(zhan)土(tu)(tu),間(jian)有(you)桔黃(huang)(huang)、灰黃(huang)(huang)等雜色(se)(se),厚(hou)(hou)0.9-1.4米。第(di)(di)(di)(di)8層(ceng)(ceng)(ceng)(ceng)(ceng),淺黃(huang)(huang)色(se)(se)粉(fen)(fen)砂(sha)(sha)質(zhi)粘(zhan)(zhan)土(tu)(tu),也有(you)棕紅(hong)、淡黃(huang)(huang)等結核病色(se)(se),厚(hou)(hou)0.85-1.1米。第(di)(di)(di)(di)9層(ceng)(ceng)(ceng)(ceng)(ceng),紫色(se)(se)粉(fen)(fen)砂(sha)(sha)質(zhi)粘(zhan)(zhan)土(tu)(tu),厚(hou)(hou)0.35-1.1米。第(di)(di)(di)(di)10層(ceng)(ceng)(ceng)(ceng)(ceng),網紋化(hua)礫石層(ceng)(ceng)(ceng)(ceng)(ceng)。在第(di)(di)(di)(di)10層(ceng)(ceng)(ceng)(ceng)(ceng)礫石層(ceng)(ceng)(ceng)(ceng)(ceng)之上的(de)9至2層(ceng)(ceng)(ceng)(ceng)(ceng)都發現有(you)石器(qi),尤其第(di)(di)(di)(di)2、3、6層(ceng)(ceng)(ceng)(ceng)(ceng)最多。地層(ceng)(ceng)(ceng)(ceng)(ceng)中沒有(you)發現哺乳動物(wu)化(hua)石。根據堆積物(wu)的(de)巖性,將2至5層(ceng)(ceng)(ceng)(ceng)(ceng)分為(wei)上層(ceng)(ceng)(ceng)(ceng)(ceng),6至9層(ceng)(ceng)(ceng)(ceng)(ceng)為(wei)下層(ceng)(ceng)(ceng)(ceng)(ceng)。
調查和(he)(he)試(shi)掘獲(huo)(huo)得石(shi)(shi)(shi)制(zhi)(zhi)品(pin)標(biao)本(ben)(ben)200多件,其中試(shi)掘時(shi)獲(huo)(huo)得的(de)(de)石(shi)(shi)(shi)制(zhi)(zhi)標(biao)本(ben)(ben)141件,有明(ming)顯的(de)(de)人類加工(gong)痕(hen)跡標(biao)本(ben)(ben)79件,包括(kuo)毛胚和(he)(he)石(shi)(shi)(shi)片(pian)。肉(rou)眼可見的(de)(de)簡單(dan)加工(gong)和(he)(he)使(shi)用痕(hen)跡的(de)(de)標(biao)本(ben)(ben)3件。石(shi)(shi)(shi)制(zhi)(zhi)品(pin)的(de)(de)巖性大多數(shu)為石(shi)(shi)(shi)英(ying)砂(sha)巖,其次(ci)是砂(sha)巖和(he)(he)石(shi)(shi)(shi)英(ying)巖,只有少量的(de)(de)硅質巖。經過初(chu)步觀察,各(ge)層石(shi)(shi)(shi)制(zhi)(zhi)品(pin)的(de)(de)形制(zhi)(zhi)和(he)(he)制(zhi)(zhi)造工(gong)藝變化(hua)不大,依據地層分早、晚(wan)兩(liang)期。早期石(shi)(shi)(shi)制(zhi)(zhi)品(pin)類型(xing)有石(shi)(shi)(shi)片(pian)、石(shi)(shi)(shi)核(he)(he)、砍(kan)(kan)伐器(qi)(qi)、尖(jian)狀(zhuang)器(qi)(qi)、尖(jian)狀(zhuang)——砍(kan)(kan)器(qi)(qi)、砍(kan)(kan)斫器(qi)(qi)、石(shi)(shi)(shi)錘、刮削器(qi)(qi)等(deng)。晚(wan)期石(shi)(shi)(shi)制(zhi)(zhi)品(pin)類型(xing)有石(shi)(shi)(shi)片(pian)、石(shi)(shi)(shi)核(he)(he)、砍(kan)(kan)伐器(qi)(qi)、砍(kan)(kan)斫器(qi)(qi)、刮削器(qi)(qi)、尖(jian)狀(zhuang)器(qi)(qi),沒發現(xian)尖(jian)狀(zhuang)——砍(kan)(kan)器(qi)(qi)和(he)(he)石(shi)(shi)(shi)錘。向陽舊(jiu)石(shi)(shi)(shi)器(qi)(qi)地點下(xia)層,即(ji)第(di)6層和(he)(he)第(di)9層堆積屬于(yu)中更新(xin)世“網紋紅土”,所出(chu)文(wen)化(hua)遺物(wu)為舊(jiu)石(shi)(shi)(shi)器(qi)(qi)時(shi)代早期。上層即(ji)第(di)2層至(zhi)5層堆積屬于(yu)晚(wan)更新(xin)世的(de)(de)“下(xia)蜀黃土”,所出(chu)文(wen)化(hua)遺物(wu)為舊(jiu)石(shi)(shi)(shi)器(qi)(qi)時(shi)代中晚(wan)期。
歷史意義
陳(chen)山(shan)遺址是地(di)處水陽江(jiang)中(zhong)游(you)十余處同類(lei)舊石(shi)器地(di)點的(de)中(zhong)心,遺址面積大,延續(xu)時代(dai)長。它完整連續(xu)的(de)地(di)層剖面,已成為多學(xue)科綜合研究華南更(geng)新世環(huan)境變遷與早(zao)期人類(lei)生活背景所關注(zhu)的(de)焦點。
水陽(yang)江的(de)(de)舊(jiu)石(shi)(shi)(shi)器(qi)地(di)點(dian)(dian)群,共有(you)10多個舊(jiu)石(shi)(shi)(shi)器(qi)地(di)點(dian)(dian),它們(men)代表(biao)了長江下(xia)游(you)的(de)(de)一種新(xin)的(de)(de)舊(jiu)石(shi)(shi)(shi)器(qi)時(shi)代文化(hua),而(er)向(xiang)陽(yang)舊(jiu)石(shi)(shi)(shi)器(qi)地(di)點(dian)(dian)面積大,文化(hua)層(ceng)堆(dui)積厚,遺物豐富,可成(cheng)為長江下(xia)游(you)一處標準舊(jiu)石(shi)(shi)(shi)器(qi)地(di)點(dian)(dian)。經研究認(ren)為,向(xiang)陽(yang)舊(jiu)石(shi)(shi)(shi)器(qi)地(di)點(dian)(dian)的(de)(de)先民,可能過著半定居的(de)(de)生活,并(bing)已學(xue)會了用火,過著采集為主、捕獵為輔的(de)(de)生活。這些出(chu)土的(de)(de)舊(jiu)石(shi)(shi)(shi)器(qi)是他(ta)們(men)的(de)(de)原始生產工具(ju),有(you)的(de)(de)有(you)明顯的(de)(de)使用痕跡(ji)。向(xiang)陽(yang)陳山舊(jiu)石(shi)(shi)(shi)器(qi)地(di)點(dian)(dian)的(de)(de)發(fa)現和(he)試掘(jue),有(you)助于(yu)增加對(dui)這種新(xin)的(de)(de)舊(jiu)石(shi)(shi)(shi)器(qi)文化(hua)的(de)(de)認(ren)識,所(suo)獲(huo)的(de)(de)文化(hua)遺物為進(jin)一步研究古人類的(de)(de)發(fa)展和(he)生產、生活提供了可貴的(de)(de)實(shi)物資(zi)料。