“北川(chuan)米(mi)黃(huang)大理(li)(li)石”,四川(chuan)省綿陽(yang)市北川(chuan)羌族自治縣(xian)特(te)產著名石材(cai)(cai)(cai)(cai)。中(zhong)國國家(jia)地(di)理(li)(li)標志產品。經中(zhong)國石材(cai)(cai)(cai)(cai)協會和有(you)關專家(jia)學者及眾(zhong)多(duo)廠家(jia)客戶達(da)成(cheng)共識(shi)而命(ming)名。特(te)點(dian)是品種全、色澤(ze)亮、板面(mian)凈(jing)、質地(di)優(you)。除天然(ran)裂隙、花紋外(wai),幾乎無夾雜(za);有(you)較(jiao)好的理(li)(li)化性(xing)能,其體積密(mi)度(du)、吸水率、光面(mian)亮度(du)、壓縮強(qiang)度(du)、彎曲強(qiang)度(du)等(deng)物(wu)理(li)(li)性(xing)能指(zhi)標明顯(xian)優(you)于其它(ta)同類產品。是中(zhong)國國內發(fa)現的最(zui)好米(mi)黃(huang)大理(li)(li)石,資(zi)源儲量、開采條件、開采量是唯一能替(ti)代優(you)質進口(kou)米(mi)黃(huang)石材(cai)(cai)(cai)(cai)的品種。2010年底,中(zhong)國石材(cai)(cai)(cai)(cai)協會授予北川(chuan)縣(xian)“中(zhong)國米(mi)黃(huang)大理(li)(li)石之鄉”稱(cheng)號。
簡介
“北川米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)大(da)理(li)石(shi)(shi)”,簡稱“北川米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)”“中國(guo)(guo)(guo)(guo)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)”,四川省(sheng)綿陽(yang)市(shi)北川羌族(zu)自治縣(xian)北川米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)大(da)理(li)石(shi)(shi)礦藏及(ji)產(chan)(chan)(chan)品(pin)(pin)[1]產(chan)(chan)(chan)著(zhu)名石(shi)(shi)材(cai)(cai)。中國(guo)(guo)(guo)(guo)國(guo)(guo)(guo)(guo)家地(di)(di)理(li)標(biao)志產(chan)(chan)(chan)品(pin)(pin)。該產(chan)(chan)(chan)品(pin)(pin)以莎安(an)娜米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)至(zhi)安(an)曼米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)、舊米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)至(zhi)淺啡網(wang)為主(zhu)要(yao)色(se)系,經中國(guo)(guo)(guo)(guo)石(shi)(shi)材(cai)(cai)協(xie)會和有關專(zhuan)家學者及(ji)眾(zhong)多廠家客戶達(da)成共(gong)識而命名。特(te)點是(shi)品(pin)(pin)種全、色(se)澤亮、板面凈、質地(di)(di)優(you)。除天然裂隙、花(hua)紋(wen)外(wai),幾乎無夾雜;有較好(hao)的(de)理(li)化(hua)性能(neng),其體積密度(du)(du)、吸水率(lv)、光(guang)面亮度(du)(du)、壓縮強度(du)(du)、彎曲強度(du)(du)等(deng)物理(li)性能(neng)指(zhi)標(biao)明顯優(you)于其它同類產(chan)(chan)(chan)品(pin)(pin)。是(shi)中國(guo)(guo)(guo)(guo)國(guo)(guo)(guo)(guo)內發現(xian)的(de)最好(hao)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)大(da)理(li)石(shi)(shi),資源儲(chu)量(liang)、開采條(tiao)件、開采量(liang)是(shi)唯(wei)一能(neng)替代(dai)優(you)質進口米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)石(shi)(shi)材(cai)(cai)的(de)品(pin)(pin)種。主(zhu)要(yao)品(pin)(pin)種有:王(wang)子米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)、金石(shi)(shi)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)、大(da)雅米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)、如(ru)玉米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)、羌江(jiang)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)、黃(huang)(huang)木紋(wen)、灰網(wang)紋(wen)等(deng),其中金石(shi)(shi)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(金時(shi)達(da)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang))、大(da)雅米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)和如(ru)玉米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)三個品(pin)(pin)種被中國(guo)(guo)(guo)(guo)石(shi)(shi)材(cai)(cai)協(xie)會和國(guo)(guo)(guo)(guo)家石(shi)(shi)材(cai)(cai)質量(liang)監督檢驗測試中心評為“全國(guo)(guo)(guo)(guo)名優(you)特(te)石(shi)(shi)材(cai)(cai)”,成為該地(di)(di)區高檔大(da)理(li)石(shi)(shi)代(dai)表(biao)品(pin)(pin)種。2010年底,中國(guo)(guo)(guo)(guo)石(shi)(shi)材(cai)(cai)協(xie)會授予北川縣(xian)“中國(guo)(guo)(guo)(guo)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)大(da)理(li)石(shi)(shi)之鄉”稱號。
地域特征
北(bei)川(chuan)米(mi)黃大理(li)石礦北(bei)川(chuan)米(mi)黃大理(li)石加(jia)工作業[5]區(qu)(qu)位(wei)(wei)于(yu)四(si)(si)川(chuan)盆地(di)(di)(di)(di)西北(bei)緣(yuan)龍(long)門山(shan)(shan)(shan)(shan)(shan)前(qian)山(shan)(shan)(shan)(shan)(shan)地(di)(di)(di)(di)帶(dai)(dai),屬淺——中(zhong)(zhong)(zhong)切割的(de)(de)(de)(de)低中(zhong)(zhong)(zhong)山(shan)(shan)(shan)(shan)(shan)地(di)(di)(di)(di)形(xing)地(di)(di)(di)(di)貌區(qu)(qu)。海(hai)拔高度(du)從(cong)(cong)400米(mi)至1450米(mi)不(bu)等。礦區(qu)(qu)屬亞熱(re)(re)帶(dai)(dai)季風氣(qi)(qi)(qi)候,四(si)(si)季分(fen)明,氣(qi)(qi)(qi)候溫(wen)(wen)和濕(shi)潤(run),降雨量(liang)充(chong)沛日(ri)照充(chong)足,全(quan)年無霜期211天,最高氣(qi)(qi)(qi)溫(wen)(wen)34.5℃、最低氣(qi)(qi)(qi)溫(wen)(wen)-3℃、年平均(jun)氣(qi)(qi)(qi)溫(wen)(wen)15.74℃,年均(jun)降雨量(liang)1300㎜/年,雨季多(duo)集中(zhong)(zhong)(zhong)在(zai)6-9月,全(quan)年均(jun)適合野外(wai)礦山(shan)(shan)(shan)(shan)(shan)地(di)(di)(di)(di)質(zhi)(zhi)及采礦工作。北(bei)川(chuan)米(mi)黃大理(li)石開采礦區(qu)(qu)在(zai)大地(di)(di)(di)(di)構(gou)造位(wei)(wei)置上處(chu)于(yu)揚子陸塊西北(bei)邊緣(yuan),以(yi)“江(jiang)油(you)大斷(duan)(duan)(duan)裂”為(wei)(wei)界(jie)的(de)(de)(de)(de)龍(long)門山(shan)(shan)(shan)(shan)(shan)前(qian)陸推(tui)覆——沖(chong)斷(duan)(duan)(duan)帶(dai)(dai)與四(si)(si)川(chuan)陸盆的(de)(de)(de)(de)川(chuan)西北(bei)前(qian)陸盆地(di)(di)(di)(di)交接(jie)部(bu)位(wei)(wei)。地(di)(di)(di)(di)層(ceng)分(fen)區(qu)(qu)上屬揚子地(di)(di)(di)(di)層(ceng)區(qu)(qu)龍(long)門山(shan)(shan)(shan)(shan)(shan)分(fen)區(qu)(qu)北(bei)段(duan)。該(gai)區(qu)(qu)地(di)(di)(di)(di)殼(ke)運(yun)動(dong)從(cong)(cong)前(qian)震旦(dan)系(xi)中(zhong)(zhong)(zhong)條旋廻到(dao)第(di)三系(xi)以(yi)后的(de)(de)(de)(de)喜(xi)馬拉雅旋廻在(zai)本區(qu)(qu)均(jun)有(you)(you)(you)不(bu)同程度(du)的(de)(de)(de)(de)反映。受印支運(yun)動(dong)晚幕(mu)的(de)(de)(de)(de)影響,三疊(die)系(xi)及以(yi)前(qian)的(de)(de)(de)(de)地(di)(di)(di)(di)層(ceng)全(quan)部(bu)褶皺(zhou)(zhou),構(gou)成(cheng)龍(long)門山(shan)(shan)(shan)(shan)(shan)推(tui)覆——沖(chong)斷(duan)(duan)(duan)帶(dai)(dai)皺(zhou)(zhou)形(xing)。燕山(shan)(shan)(shan)(shan)(shan)運(yun)動(dong)在(zai)四(si)(si)川(chuan)盆地(di)(di)(di)(di)主要表(biao)現為(wei)(wei)頻繁的(de)(de)(de)(de)震蕩升(sheng)(sheng)降,在(zai)山(shan)(shan)(shan)(shan)(shan)前(qian)坳陷帶(dai)(dai)發(fa)(fa)育成(cheng)磨拉石建造。燕山(shan)(shan)(shan)(shan)(shan)晚期的(de)(de)(de)(de)整(zheng)體(ti)抬(tai)升(sheng)(sheng),導致白(bai)堊(e)系(xi)及第(di)三系(xi)地(di)(di)(di)(di)層(ceng)缺失(shi)。喜(xi)山(shan)(shan)(shan)(shan)(shan)運(yun)動(dong)早幕(mu),由于(yu)強大的(de)(de)(de)(de)水(shui)平推(tui)擠力,致使(shi)中(zhong)(zhong)(zhong)生帶(dai)(dai)蓋層(ceng)發(fa)(fa)生褶皺(zhou)(zhou)和斷(duan)(duan)(duan)裂,并(bing)促使(shi)龍(long)門山(shan)(shan)(shan)(shan)(shan)推(tui)覆——沖(chong)斷(duan)(duan)(duan)帶(dai)(dai)進一步(bu)發(fa)(fa)展和定型。礦區(qu)(qu)除缺失(shi)第(di)三系(xi)、白(bai)堊(e)系(xi)外(wai)從(cong)(cong)第(di)四(si)(si)系(xi)至寨(zhai)武(wu)系(xi)地(di)(di)(di)(di)層(ceng)均(jun)有(you)(you)(you)出露,尤其以(yi)通口(kou)、香泉、永安(an)一帶(dai)(dai)為(wei)(wei)中(zhong)(zhong)(zhong)心,泥盆系(xi)——三疊(die)系(xi)的(de)(de)(de)(de)淺海(hai)相碳酸鹽沉(chen)積(ji)特(te)別發(fa)(fa)育,構(gou)成(cheng)了三疊(die)系(xi)中(zhong)(zhong)(zhong)統天井山(shan)(shan)(shan)(shan)(shan)組(zu)和雷(lei)口(kou)坡組(zu)相交的(de)(de)(de)(de)500—700米(mi)特(te)大厚層(ceng)的(de)(de)(de)(de)灰巖、白(bai)云質(zhi)(zhi)灰巖、白(bai)云巖地(di)(di)(di)(di)層(ceng),因受巖漿(jiang)巖體(ti)侵入遭受熱(re)(re)力、強力擠壓等變質(zhi)(zhi)作用而形(xing)成(cheng)具(ju)有(you)(you)(you)與其它大理(li)石不(bu)一樣特(te)質(zhi)(zhi)的(de)(de)(de)(de)大理(li)石礦床。
產品特點
北(bei)(bei)川米(mi)黃(huang)(huang)石(shi)(shi)(shi)材(cai)礦(kuang)山儲藏集中、儲量(liang)(liang)大(da)(da)、礦(kuang)層(ceng)厚(hou)、質(zhi)地(di)好,可以(yi)滿足(zu)現(xian)(xian)圖3 北(bei)(bei)川米(mi)黃(huang)(huang)大(da)(da)理(li)(li)(li)石(shi)(shi)(shi)成品(pin)[6]代(dai)石(shi)(shi)(shi)材(cai)業使(shi)用大(da)(da)型(xing)設備開(kai)(kai)采荒料的(de)(de)(de)需要,北(bei)(bei)川米(mi)黃(huang)(huang)品(pin)種(zhong)經過細(xi)分后(hou)可以(yi)與(yu)主流的(de)(de)(de)進口石(shi)(shi)(shi)材(cai)對上(shang)(shang)號。而且其(qi)品(pin)質(zhi)和色(se)(se)澤(ze)經專(zhuan)家認定(ding)為(wei)中國已發現(xian)(xian)最好米(mi)黃(huang)(huang)大(da)(da)理(li)(li)(li)石(shi)(shi)(shi),資源(yuan)儲量(liang)(liang)、開(kai)(kai)采條件、開(kai)(kai)采量(liang)(liang)是(shi)唯一(yi)(yi)(yi)能替代(dai)優質(zhi)進口米(mi)黃(huang)(huang)石(shi)(shi)(shi)材(cai)的(de)(de)(de)品(pin)種(zhong)。北(bei)(bei)川米(mi)黃(huang)(huang)大(da)(da)理(li)(li)(li)石(shi)(shi)(shi)特(te)點概況起來就是(shi)儲量(liang)(liang)大(da)(da)、品(pin)種(zhong)全(quan)、質(zhi)地(di)優、色(se)(se)澤(ze)亮(liang)、板(ban)(ban)面(mian)凈。儲量(liang)(liang)大(da)(da)表現(xian)(xian)為(wei)在以(yi)北(bei)(bei)川為(wei)主近五十平(ping)方(fang)(fang)公里范(fan)圍內蘊藏著(zhu)近十萬立(li)(li)方(fang)(fang)的(de)(de)(de)地(di)質(zhi)儲量(liang)(liang),可采范(fan)圍達十平(ping)方(fang)(fang)公里,可采量(liang)(liang)超過一(yi)(yi)(yi)億立(li)(li)方(fang)(fang)米(mi);品(pin)種(zhong)全(quan)表現(xian)(xian)為(wei)因地(di)質(zhi)形(xing)成超大(da)(da)厚(hou)層(ceng)石(shi)(shi)(shi)灰巖(yan)及(ji)白云(yun)質(zhi)灰巖(yan),且單層(ceng)構(gou)造一(yi)(yi)(yi)般在2至6.5米(mi)之(zhi)間,形(xing)成多層(ceng)構(gou)造,而每層(ceng)的(de)(de)(de)色(se)(se)澤(ze)及(ji)花紋(wen)又有(you)所變化,因此形(xing)成了從莎安(an)娜米(mi)黃(huang)(huang)至安(an)曼米(mi)黃(huang)(huang),又到(dao)舊米(mi)黃(huang)(huang)甚至淺啡網的(de)(de)(de)很(hen)多品(pin)種(zhong)。質(zhi)地(di)優表現(xian)(xian)為(wei)有(you)較好的(de)(de)(de)理(li)(li)(li)化性能,其(qi)體積密度(du)(du)在大(da)(da)理(li)(li)(li)石(shi)(shi)(shi)中算(suan)是(shi)非常高的(de)(de)(de),接近2.8克/立(li)(li)方(fang)(fang)厘(li)米(mi),吸水率(lv)僅為(wei)普(pu)通大(da)(da)理(li)(li)(li)石(shi)(shi)(shi)的(de)(de)(de)三分之(zhi)一(yi)(yi)(yi)左右,光度(du)(du)一(yi)(yi)(yi)般在90度(du)(du)以(yi)上(shang)(shang);色(se)(se)澤(ze)亮(liang)、板(ban)(ban)面(mian)凈表現(xian)(xian)更(geng)為(wei)突(tu)出,除天然(ran)裂(lie)隙、花紋(wen)外,幾乎無夾雜。