“北(bei)川(chuan)(chuan)米黃(huang)大理(li)(li)石(shi)”,四川(chuan)(chuan)省綿陽市北(bei)川(chuan)(chuan)羌族自治縣特(te)產著名(ming)石(shi)材。中(zhong)國國家地(di)(di)理(li)(li)標(biao)志產品。經中(zhong)國石(shi)材協(xie)會(hui)和有關專家學者(zhe)及眾多廠家客戶(hu)達成共識而命名(ming)。特(te)點是(shi)品種全(quan)、色(se)澤亮、板面凈、質地(di)(di)優(you)。除天然裂隙(xi)、花紋外,幾(ji)乎(hu)無夾雜;有較(jiao)好(hao)(hao)的理(li)(li)化性(xing)能,其體積密(mi)度(du)(du)(du)、吸(xi)水率(lv)、光面亮度(du)(du)(du)、壓縮強度(du)(du)(du)、彎曲強度(du)(du)(du)等物(wu)理(li)(li)性(xing)能指標(biao)明顯優(you)于(yu)其它(ta)同類產品。是(shi)中(zhong)國國內發(fa)現(xian)的最好(hao)(hao)米黃(huang)大理(li)(li)石(shi),資源(yuan)儲量、開采(cai)(cai)條(tiao)件、開采(cai)(cai)量是(shi)唯一能替代優(you)質進口米黃(huang)石(shi)材的品種。2010年底,中(zhong)國石(shi)材協(xie)會(hui)授(shou)予北(bei)川(chuan)(chuan)縣“中(zhong)國米黃(huang)大理(li)(li)石(shi)之鄉”稱號。
簡介
“北川(chuan)(chuan)(chuan)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)大(da)(da)(da)理石(shi)(shi)”,簡稱“北川(chuan)(chuan)(chuan)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)”“中(zhong)(zhong)國(guo)(guo)(guo)(guo)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)”,四川(chuan)(chuan)(chuan)省綿陽市北川(chuan)(chuan)(chuan)羌族自治(zhi)縣(xian)北川(chuan)(chuan)(chuan)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)大(da)(da)(da)理石(shi)(shi)礦藏及產(chan)(chan)(chan)品(pin)(pin)(pin)(pin)[1]產(chan)(chan)(chan)著(zhu)名(ming)石(shi)(shi)材(cai)。中(zhong)(zhong)國(guo)(guo)(guo)(guo)國(guo)(guo)(guo)(guo)家地(di)理標志(zhi)產(chan)(chan)(chan)品(pin)(pin)(pin)(pin)。該產(chan)(chan)(chan)品(pin)(pin)(pin)(pin)以莎安娜米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)至安曼米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)、舊米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)至淺啡網為(wei)主要色系,經(jing)中(zhong)(zhong)國(guo)(guo)(guo)(guo)石(shi)(shi)材(cai)協會和有關專家學者及眾(zhong)多(duo)廠家客戶達成(cheng)共(gong)識而命名(ming)。特(te)點(dian)是品(pin)(pin)(pin)(pin)種(zhong)全、色澤亮、板面凈、質(zhi)地(di)優(you)(you)。除(chu)天然裂(lie)隙、花(hua)紋(wen)外(wai),幾(ji)乎(hu)無夾雜;有較(jiao)好的理化性能(neng),其體積密度、吸(xi)水率、光(guang)面亮度、壓縮強度、彎曲(qu)強度等(deng)物理性能(neng)指(zhi)標明顯優(you)(you)于其它同類產(chan)(chan)(chan)品(pin)(pin)(pin)(pin)。是中(zhong)(zhong)國(guo)(guo)(guo)(guo)國(guo)(guo)(guo)(guo)內發現的最好米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)大(da)(da)(da)理石(shi)(shi),資源儲(chu)量(liang)(liang)、開采條件、開采量(liang)(liang)是唯一能(neng)替(ti)代優(you)(you)質(zhi)進口米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)石(shi)(shi)材(cai)的品(pin)(pin)(pin)(pin)種(zhong)。主要品(pin)(pin)(pin)(pin)種(zhong)有:王子米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)、金石(shi)(shi)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)、大(da)(da)(da)雅(ya)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)、如(ru)玉(yu)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)、羌江(jiang)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)、黃(huang)(huang)(huang)(huang)(huang)木紋(wen)、灰網紋(wen)等(deng),其中(zhong)(zhong)金石(shi)(shi)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)(金時達米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang))、大(da)(da)(da)雅(ya)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)和如(ru)玉(yu)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)三個品(pin)(pin)(pin)(pin)種(zhong)被中(zhong)(zhong)國(guo)(guo)(guo)(guo)石(shi)(shi)材(cai)協會和國(guo)(guo)(guo)(guo)家石(shi)(shi)材(cai)質(zhi)量(liang)(liang)監督檢驗測試中(zhong)(zhong)心(xin)評為(wei)“全國(guo)(guo)(guo)(guo)名(ming)優(you)(you)特(te)石(shi)(shi)材(cai)”,成(cheng)為(wei)該地(di)區高檔大(da)(da)(da)理石(shi)(shi)代表品(pin)(pin)(pin)(pin)種(zhong)。2010年底,中(zhong)(zhong)國(guo)(guo)(guo)(guo)石(shi)(shi)材(cai)協會授(shou)予北川(chuan)(chuan)(chuan)縣(xian)“中(zhong)(zhong)國(guo)(guo)(guo)(guo)米(mi)(mi)(mi)(mi)(mi)黃(huang)(huang)(huang)(huang)(huang)大(da)(da)(da)理石(shi)(shi)之鄉”稱號。
地域特征
北(bei)(bei)川米(mi)黃大(da)理石(shi)礦北(bei)(bei)川米(mi)黃大(da)理石(shi)加(jia)工作(zuo)(zuo)業[5]區(qu)(qu)(qu)位于四(si)川盆地(di)(di)西(xi)北(bei)(bei)緣(yuan)(yuan)龍(long)(long)門山(shan)(shan)(shan)前(qian)山(shan)(shan)(shan)地(di)(di)帶(dai),屬(shu)(shu)淺(qian)——中(zhong)(zhong)切(qie)割(ge)的(de)(de)(de)(de)(de)低(di)中(zhong)(zhong)山(shan)(shan)(shan)地(di)(di)形(xing)地(di)(di)貌區(qu)(qu)(qu)。海拔高(gao)度從(cong)400米(mi)至1450米(mi)不等(deng)(deng)。礦區(qu)(qu)(qu)屬(shu)(shu)亞熱帶(dai)季(ji)風氣(qi)(qi)候,四(si)季(ji)分明,氣(qi)(qi)候溫和濕潤(run),降(jiang)雨量(liang)充沛日(ri)照充足(zu),全年無(wu)霜期211天,最高(gao)氣(qi)(qi)溫34.5℃、最低(di)氣(qi)(qi)溫-3℃、年平均(jun)氣(qi)(qi)溫15.74℃,年均(jun)降(jiang)雨量(liang)1300㎜/年,雨季(ji)多集中(zhong)(zhong)在(zai)6-9月(yue),全年均(jun)適(shi)合野(ye)外礦山(shan)(shan)(shan)地(di)(di)質(zhi)及(ji)(ji)采礦工作(zuo)(zuo)。北(bei)(bei)川米(mi)黃大(da)理石(shi)開采礦區(qu)(qu)(qu)在(zai)大(da)地(di)(di)構造位置上處于揚子陸塊西(xi)北(bei)(bei)邊緣(yuan)(yuan),以(yi)“江油大(da)斷(duan)(duan)裂”為界的(de)(de)(de)(de)(de)龍(long)(long)門山(shan)(shan)(shan)前(qian)陸推(tui)覆(fu)——沖(chong)斷(duan)(duan)帶(dai)與(yu)四(si)川陸盆的(de)(de)(de)(de)(de)川西(xi)北(bei)(bei)前(qian)陸盆地(di)(di)交(jiao)接部(bu)位。地(di)(di)層(ceng)(ceng)分區(qu)(qu)(qu)上屬(shu)(shu)揚子地(di)(di)層(ceng)(ceng)區(qu)(qu)(qu)龍(long)(long)門山(shan)(shan)(shan)分區(qu)(qu)(qu)北(bei)(bei)段。該區(qu)(qu)(qu)地(di)(di)殼運(yun)(yun)動從(cong)前(qian)震旦(dan)系(xi)(xi)中(zhong)(zhong)條旋(xuan)廻(hui)到第(di)(di)三(san)(san)系(xi)(xi)以(yi)后的(de)(de)(de)(de)(de)喜馬拉雅旋(xuan)廻(hui)在(zai)本區(qu)(qu)(qu)均(jun)有不同程(cheng)度的(de)(de)(de)(de)(de)反映(ying)。受印支運(yun)(yun)動晚幕的(de)(de)(de)(de)(de)影響(xiang),三(san)(san)疊(die)系(xi)(xi)及(ji)(ji)以(yi)前(qian)的(de)(de)(de)(de)(de)地(di)(di)層(ceng)(ceng)全部(bu)褶(zhe)皺(zhou),構成龍(long)(long)門山(shan)(shan)(shan)推(tui)覆(fu)——沖(chong)斷(duan)(duan)帶(dai)皺(zhou)形(xing)。燕山(shan)(shan)(shan)運(yun)(yun)動在(zai)四(si)川盆地(di)(di)主要表現為頻繁的(de)(de)(de)(de)(de)震蕩升降(jiang),在(zai)山(shan)(shan)(shan)前(qian)坳陷帶(dai)發(fa)育成磨(mo)拉石(shi)建造。燕山(shan)(shan)(shan)晚期的(de)(de)(de)(de)(de)整(zheng)體抬(tai)升,導致白堊系(xi)(xi)及(ji)(ji)第(di)(di)三(san)(san)系(xi)(xi)地(di)(di)層(ceng)(ceng)缺(que)失。喜山(shan)(shan)(shan)運(yun)(yun)動早幕,由于強大(da)的(de)(de)(de)(de)(de)水平推(tui)擠力,致使中(zhong)(zhong)生(sheng)帶(dai)蓋層(ceng)(ceng)發(fa)生(sheng)褶(zhe)皺(zhou)和斷(duan)(duan)裂,并促使龍(long)(long)門山(shan)(shan)(shan)推(tui)覆(fu)——沖(chong)斷(duan)(duan)帶(dai)進一(yi)步發(fa)展和定型。礦區(qu)(qu)(qu)除缺(que)失第(di)(di)三(san)(san)系(xi)(xi)、白堊系(xi)(xi)外從(cong)第(di)(di)四(si)系(xi)(xi)至寨武系(xi)(xi)地(di)(di)層(ceng)(ceng)均(jun)有出露,尤(you)其以(yi)通(tong)口、香泉、永安一(yi)帶(dai)為中(zhong)(zhong)心,泥盆系(xi)(xi)——三(san)(san)疊(die)系(xi)(xi)的(de)(de)(de)(de)(de)淺(qian)海相碳酸(suan)鹽沉(chen)積特(te)別發(fa)育,構成了三(san)(san)疊(die)系(xi)(xi)中(zhong)(zhong)統天井山(shan)(shan)(shan)組和雷口坡組相交(jiao)的(de)(de)(de)(de)(de)500—700米(mi)特(te)大(da)厚層(ceng)(ceng)的(de)(de)(de)(de)(de)灰(hui)巖(yan)、白云(yun)質(zhi)灰(hui)巖(yan)、白云(yun)巖(yan)地(di)(di)層(ceng)(ceng),因(yin)受巖(yan)漿巖(yan)體侵入遭(zao)受熱力、強力擠壓等(deng)(deng)變質(zhi)作(zuo)(zuo)用而形(xing)成具有與(yu)其它大(da)理石(shi)不一(yi)樣特(te)質(zhi)的(de)(de)(de)(de)(de)大(da)理石(shi)礦床。
產品特點
北川米(mi)(mi)黃(huang)(huang)石(shi)(shi)(shi)材礦(kuang)山儲(chu)藏(zang)集(ji)中、儲(chu)量(liang)(liang)大(da)(da)、礦(kuang)層厚、質(zhi)(zhi)地好,可以(yi)(yi)(yi)滿(man)足現(xian)圖3 北川米(mi)(mi)黃(huang)(huang)大(da)(da)理(li)(li)石(shi)(shi)(shi)成(cheng)品(pin)(pin)[6]代(dai)石(shi)(shi)(shi)材業使用大(da)(da)型設備(bei)開(kai)(kai)采(cai)(cai)荒料(liao)的(de)需要,北川米(mi)(mi)黃(huang)(huang)品(pin)(pin)種經過細分(fen)后可以(yi)(yi)(yi)與主(zhu)流的(de)進口(kou)(kou)石(shi)(shi)(shi)材對(dui)上號。而且其品(pin)(pin)質(zhi)(zhi)和色澤(ze)(ze)經專家認定為(wei)(wei)(wei)中國已發現(xian)最好米(mi)(mi)黃(huang)(huang)大(da)(da)理(li)(li)石(shi)(shi)(shi),資源儲(chu)量(liang)(liang)、開(kai)(kai)采(cai)(cai)條件(jian)、開(kai)(kai)采(cai)(cai)量(liang)(liang)是唯一(yi)(yi)能替代(dai)優(you)質(zhi)(zhi)進口(kou)(kou)米(mi)(mi)黃(huang)(huang)石(shi)(shi)(shi)材的(de)品(pin)(pin)種。北川米(mi)(mi)黃(huang)(huang)大(da)(da)理(li)(li)石(shi)(shi)(shi)特點概況起來就是儲(chu)量(liang)(liang)大(da)(da)、品(pin)(pin)種全(quan)、質(zhi)(zhi)地優(you)、色澤(ze)(ze)亮(liang)、板面(mian)(mian)凈。儲(chu)量(liang)(liang)大(da)(da)表(biao)現(xian)為(wei)(wei)(wei)在以(yi)(yi)(yi)北川為(wei)(wei)(wei)主(zhu)近五十平方公(gong)里范圍內蘊藏(zang)著近十萬立(li)方的(de)地質(zhi)(zhi)儲(chu)量(liang)(liang),可采(cai)(cai)范圍達十平方公(gong)里,可采(cai)(cai)量(liang)(liang)超過一(yi)(yi)億立(li)方米(mi)(mi);品(pin)(pin)種全(quan)表(biao)現(xian)為(wei)(wei)(wei)因地質(zhi)(zhi)形(xing)成(cheng)超大(da)(da)厚層石(shi)(shi)(shi)灰巖及白云質(zhi)(zhi)灰巖,且單層構造一(yi)(yi)般在2至6.5米(mi)(mi)之間,形(xing)成(cheng)多(duo)(duo)層構造,而每層的(de)色澤(ze)(ze)及花紋又有所變化(hua),因此形(xing)成(cheng)了從(cong)莎安(an)娜(na)米(mi)(mi)黃(huang)(huang)至安(an)曼(man)米(mi)(mi)黃(huang)(huang),又到舊米(mi)(mi)黃(huang)(huang)甚至淺(qian)啡網的(de)很多(duo)(duo)品(pin)(pin)種。質(zhi)(zhi)地優(you)表(biao)現(xian)為(wei)(wei)(wei)有較好的(de)理(li)(li)化(hua)性能,其體積密度在大(da)(da)理(li)(li)石(shi)(shi)(shi)中算是非常高(gao)的(de),接(jie)近2.8克/立(li)方厘(li)米(mi)(mi),吸(xi)水率僅為(wei)(wei)(wei)普(pu)通大(da)(da)理(li)(li)石(shi)(shi)(shi)的(de)三分(fen)之一(yi)(yi)左(zuo)右,光度一(yi)(yi)般在90度以(yi)(yi)(yi)上;色澤(ze)(ze)亮(liang)、板面(mian)(mian)凈表(biao)現(xian)更為(wei)(wei)(wei)突出,除天然(ran)裂隙(xi)、花紋外(wai),幾乎無(wu)夾雜。