“北川(chuan)米(mi)黃(huang)大理(li)石(shi)”,四(si)川(chuan)省綿陽市北川(chuan)羌族自(zi)治(zhi)縣特產著(zhu)名石(shi)材(cai)。中國(guo)國(guo)家地理(li)標(biao)志產品(pin)(pin)。經中國(guo)石(shi)材(cai)協會和有關(guan)專家學者及眾多廠家客(ke)戶達成共識(shi)而命名。特點是品(pin)(pin)種全、色澤亮、板面(mian)凈、質地優(you)(you)(you)。除天(tian)然裂隙、花紋外(wai),幾乎無夾(jia)雜;有較(jiao)好的(de)理(li)化(hua)性(xing)(xing)能(neng),其體積(ji)密度、吸水(shui)率、光面(mian)亮度、壓縮強度、彎曲強度等物理(li)性(xing)(xing)能(neng)指標(biao)明顯優(you)(you)(you)于其它(ta)同類產品(pin)(pin)。是中國(guo)國(guo)內發現的(de)最好米(mi)黃(huang)大理(li)石(shi),資源儲量、開采(cai)條件(jian)、開采(cai)量是唯一能(neng)替代優(you)(you)(you)質進口(kou)米(mi)黃(huang)石(shi)材(cai)的(de)品(pin)(pin)種。2010年底,中國(guo)石(shi)材(cai)協會授(shou)予北川(chuan)縣“中國(guo)米(mi)黃(huang)大理(li)石(shi)之鄉”稱(cheng)號。
簡介
“北(bei)川(chuan)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)大(da)理(li)石(shi)(shi)(shi)(shi)”,簡稱(cheng)“北(bei)川(chuan)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)”“中(zhong)(zhong)國(guo)(guo)(guo)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)”,四川(chuan)省(sheng)綿陽市北(bei)川(chuan)羌(qiang)族自(zi)治縣(xian)北(bei)川(chuan)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)大(da)理(li)石(shi)(shi)(shi)(shi)礦藏及(ji)產品(pin)(pin)[1]產著(zhu)名石(shi)(shi)(shi)(shi)材。中(zhong)(zhong)國(guo)(guo)(guo)國(guo)(guo)(guo)家(jia)地理(li)標志產品(pin)(pin)。該產品(pin)(pin)以莎安娜米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)至(zhi)安曼米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)、舊米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)至(zhi)淺(qian)啡網為(wei)主要色系,經中(zhong)(zhong)國(guo)(guo)(guo)石(shi)(shi)(shi)(shi)材協(xie)會(hui)和(he)有關專家(jia)學(xue)者及(ji)眾多(duo)廠家(jia)客戶達成(cheng)共識而命名。特(te)點是(shi)(shi)品(pin)(pin)種全、色澤(ze)亮、板面凈、質(zhi)(zhi)地優。除(chu)天然裂隙、花紋(wen)外(wai),幾乎(hu)無夾雜;有較好的理(li)化性能,其體積密(mi)度(du)(du)、吸(xi)水率、光面亮度(du)(du)、壓縮(suo)強(qiang)度(du)(du)、彎曲(qu)強(qiang)度(du)(du)等物(wu)理(li)性能指(zhi)標明顯優于(yu)其它同類產品(pin)(pin)。是(shi)(shi)中(zhong)(zhong)國(guo)(guo)(guo)國(guo)(guo)(guo)內發現的最(zui)好米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)大(da)理(li)石(shi)(shi)(shi)(shi),資源儲(chu)量(liang)、開(kai)采條件、開(kai)采量(liang)是(shi)(shi)唯一能替代優質(zhi)(zhi)進(jin)口米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)石(shi)(shi)(shi)(shi)材的品(pin)(pin)種。主要品(pin)(pin)種有:王(wang)子米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)、金石(shi)(shi)(shi)(shi)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)、大(da)雅(ya)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)、如(ru)(ru)玉(yu)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)、羌(qiang)江米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)、黃(huang)木紋(wen)、灰網紋(wen)等,其中(zhong)(zhong)金石(shi)(shi)(shi)(shi)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)(金時達米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang))、大(da)雅(ya)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)和(he)如(ru)(ru)玉(yu)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)三個品(pin)(pin)種被(bei)中(zhong)(zhong)國(guo)(guo)(guo)石(shi)(shi)(shi)(shi)材協(xie)會(hui)和(he)國(guo)(guo)(guo)家(jia)石(shi)(shi)(shi)(shi)材質(zhi)(zhi)量(liang)監督檢驗測試(shi)中(zhong)(zhong)心評為(wei)“全國(guo)(guo)(guo)名優特(te)石(shi)(shi)(shi)(shi)材”,成(cheng)為(wei)該地區高檔(dang)大(da)理(li)石(shi)(shi)(shi)(shi)代表品(pin)(pin)種。2010年底,中(zhong)(zhong)國(guo)(guo)(guo)石(shi)(shi)(shi)(shi)材協(xie)會(hui)授予北(bei)川(chuan)縣(xian)“中(zhong)(zhong)國(guo)(guo)(guo)米(mi)(mi)(mi)(mi)(mi)(mi)黃(huang)大(da)理(li)石(shi)(shi)(shi)(shi)之鄉”稱(cheng)號。
地域特征
北(bei)川(chuan)米黃大理(li)石(shi)礦(kuang)(kuang)(kuang)北(bei)川(chuan)米黃大理(li)石(shi)加工(gong)作(zuo)業[5]區(qu)(qu)位于四川(chuan)盆(pen)地(di)(di)西(xi)北(bei)緣(yuan)龍(long)門(men)山(shan)前山(shan)地(di)(di)帶(dai)(dai)(dai)(dai),屬(shu)淺——中(zhong)切(qie)割的(de)(de)(de)(de)低(di)(di)中(zhong)山(shan)地(di)(di)形(xing)地(di)(di)貌(mao)區(qu)(qu)。海拔高(gao)度從(cong)400米至(zhi)1450米不等。礦(kuang)(kuang)(kuang)區(qu)(qu)屬(shu)亞(ya)熱帶(dai)(dai)(dai)(dai)季(ji)(ji)(ji)風氣(qi)候,四季(ji)(ji)(ji)分明,氣(qi)候溫(wen)(wen)和(he)(he)濕潤,降(jiang)(jiang)雨(yu)(yu)量(liang)充沛日照充足,全年(nian)(nian)無霜(shuang)期211天(tian),最(zui)高(gao)氣(qi)溫(wen)(wen)34.5℃、最(zui)低(di)(di)氣(qi)溫(wen)(wen)-3℃、年(nian)(nian)平均氣(qi)溫(wen)(wen)15.74℃,年(nian)(nian)均降(jiang)(jiang)雨(yu)(yu)量(liang)1300㎜/年(nian)(nian),雨(yu)(yu)季(ji)(ji)(ji)多集中(zhong)在6-9月(yue),全年(nian)(nian)均適合野外(wai)礦(kuang)(kuang)(kuang)山(shan)地(di)(di)質及采礦(kuang)(kuang)(kuang)工(gong)作(zuo)。北(bei)川(chuan)米黃大理(li)石(shi)開采礦(kuang)(kuang)(kuang)區(qu)(qu)在大地(di)(di)構(gou)造位置上處于揚子(zi)陸塊(kuai)西(xi)北(bei)邊緣(yuan),以(yi)“江(jiang)油(you)大斷(duan)裂”為界的(de)(de)(de)(de)龍(long)門(men)山(shan)前陸推(tui)覆——沖(chong)斷(duan)帶(dai)(dai)(dai)(dai)與四川(chuan)陸盆(pen)的(de)(de)(de)(de)川(chuan)西(xi)北(bei)前陸盆(pen)地(di)(di)交(jiao)接部(bu)位。地(di)(di)層(ceng)(ceng)分區(qu)(qu)上屬(shu)揚子(zi)地(di)(di)層(ceng)(ceng)區(qu)(qu)龍(long)門(men)山(shan)分區(qu)(qu)北(bei)段。該(gai)區(qu)(qu)地(di)(di)殼運(yun)動(dong)從(cong)前震旦系(xi)(xi)中(zhong)條旋廻到第(di)三(san)系(xi)(xi)以(yi)后的(de)(de)(de)(de)喜馬拉雅(ya)旋廻在本區(qu)(qu)均有(you)不同程度的(de)(de)(de)(de)反映。受印支運(yun)動(dong)晚幕的(de)(de)(de)(de)影響,三(san)疊系(xi)(xi)及以(yi)前的(de)(de)(de)(de)地(di)(di)層(ceng)(ceng)全部(bu)褶皺(zhou),構(gou)成(cheng)龍(long)門(men)山(shan)推(tui)覆——沖(chong)斷(duan)帶(dai)(dai)(dai)(dai)皺(zhou)形(xing)。燕山(shan)運(yun)動(dong)在四川(chuan)盆(pen)地(di)(di)主要表現(xian)為頻繁的(de)(de)(de)(de)震蕩升降(jiang)(jiang),在山(shan)前坳陷帶(dai)(dai)(dai)(dai)發育(yu)成(cheng)磨拉石(shi)建造。燕山(shan)晚期的(de)(de)(de)(de)整體(ti)抬升,導致白堊系(xi)(xi)及第(di)三(san)系(xi)(xi)地(di)(di)層(ceng)(ceng)缺失(shi)。喜山(shan)運(yun)動(dong)早幕,由于強大的(de)(de)(de)(de)水(shui)平推(tui)擠力,致使中(zhong)生帶(dai)(dai)(dai)(dai)蓋層(ceng)(ceng)發生褶皺(zhou)和(he)(he)斷(duan)裂,并促(cu)使龍(long)門(men)山(shan)推(tui)覆——沖(chong)斷(duan)帶(dai)(dai)(dai)(dai)進(jin)一步發展和(he)(he)定型。礦(kuang)(kuang)(kuang)區(qu)(qu)除缺失(shi)第(di)三(san)系(xi)(xi)、白堊系(xi)(xi)外(wai)從(cong)第(di)四系(xi)(xi)至(zhi)寨武系(xi)(xi)地(di)(di)層(ceng)(ceng)均有(you)出露(lu),尤其(qi)(qi)以(yi)通口、香泉(quan)、永安一帶(dai)(dai)(dai)(dai)為中(zhong)心(xin),泥(ni)盆(pen)系(xi)(xi)——三(san)疊系(xi)(xi)的(de)(de)(de)(de)淺海相(xiang)碳酸鹽(yan)沉積特(te)別發育(yu),構(gou)成(cheng)了(le)三(san)疊系(xi)(xi)中(zhong)統(tong)天(tian)井(jing)山(shan)組和(he)(he)雷口坡組相(xiang)交(jiao)的(de)(de)(de)(de)500—700米特(te)大厚層(ceng)(ceng)的(de)(de)(de)(de)灰巖(yan)(yan)、白云(yun)質灰巖(yan)(yan)、白云(yun)巖(yan)(yan)地(di)(di)層(ceng)(ceng),因受巖(yan)(yan)漿(jiang)巖(yan)(yan)體(ti)侵入遭(zao)受熱力、強力擠壓等變質作(zuo)用而形(xing)成(cheng)具有(you)與其(qi)(qi)它(ta)大理(li)石(shi)不一樣特(te)質的(de)(de)(de)(de)大理(li)石(shi)礦(kuang)(kuang)(kuang)床。
產品特點
北川(chuan)(chuan)米黃(huang)石(shi)(shi)(shi)(shi)材礦山儲(chu)(chu)藏集中(zhong)(zhong)、儲(chu)(chu)量(liang)大(da)、礦層(ceng)厚、質(zhi)(zhi)地(di)好(hao),可(ke)以(yi)滿足現(xian)圖(tu)3 北川(chuan)(chuan)米黃(huang)大(da)理(li)(li)(li)石(shi)(shi)(shi)(shi)成(cheng)品[6]代(dai)石(shi)(shi)(shi)(shi)材業使用大(da)型設備開采(cai)(cai)(cai)(cai)荒料的(de)(de)需要(yao),北川(chuan)(chuan)米黃(huang)品種經過細分(fen)(fen)后可(ke)以(yi)與主流(liu)的(de)(de)進口(kou)石(shi)(shi)(shi)(shi)材對上號(hao)。而且其(qi)(qi)品質(zhi)(zhi)和色澤經專家認定(ding)為(wei)中(zhong)(zhong)國已發現(xian)最好(hao)米黃(huang)大(da)理(li)(li)(li)石(shi)(shi)(shi)(shi),資(zi)源儲(chu)(chu)量(liang)、開采(cai)(cai)(cai)(cai)條件、開采(cai)(cai)(cai)(cai)量(liang)是(shi)唯(wei)一能替代(dai)優質(zhi)(zhi)進口(kou)米黃(huang)石(shi)(shi)(shi)(shi)材的(de)(de)品種。北川(chuan)(chuan)米黃(huang)大(da)理(li)(li)(li)石(shi)(shi)(shi)(shi)特(te)點(dian)概況起來就(jiu)是(shi)儲(chu)(chu)量(liang)大(da)、品種全(quan)、質(zhi)(zhi)地(di)優、色澤亮(liang)、板(ban)面凈(jing)。儲(chu)(chu)量(liang)大(da)表(biao)現(xian)為(wei)在(zai)(zai)以(yi)北川(chuan)(chuan)為(wei)主近(jin)五十(shi)平方(fang)(fang)公(gong)里(li)范圍內蘊(yun)藏著近(jin)十(shi)萬立(li)方(fang)(fang)的(de)(de)地(di)質(zhi)(zhi)儲(chu)(chu)量(liang),可(ke)采(cai)(cai)(cai)(cai)范圍達十(shi)平方(fang)(fang)公(gong)里(li),可(ke)采(cai)(cai)(cai)(cai)量(liang)超過一億(yi)立(li)方(fang)(fang)米;品種全(quan)表(biao)現(xian)為(wei)因地(di)質(zhi)(zhi)形(xing)成(cheng)超大(da)厚層(ceng)石(shi)(shi)(shi)(shi)灰巖(yan)(yan)及白云(yun)質(zhi)(zhi)灰巖(yan)(yan),且單層(ceng)構造一般(ban)在(zai)(zai)2至(zhi)6.5米之(zhi)間,形(xing)成(cheng)多層(ceng)構造,而每層(ceng)的(de)(de)色澤及花紋又(you)(you)有所(suo)變化,因此形(xing)成(cheng)了從莎安(an)娜米黃(huang)至(zhi)安(an)曼(man)米黃(huang),又(you)(you)到舊米黃(huang)甚至(zhi)淺啡網的(de)(de)很多品種。質(zhi)(zhi)地(di)優表(biao)現(xian)為(wei)有較(jiao)好(hao)的(de)(de)理(li)(li)(li)化性能,其(qi)(qi)體積密(mi)度(du)在(zai)(zai)大(da)理(li)(li)(li)石(shi)(shi)(shi)(shi)中(zhong)(zhong)算(suan)是(shi)非常高的(de)(de),接近(jin)2.8克(ke)/立(li)方(fang)(fang)厘(li)米,吸水(shui)率僅為(wei)普通大(da)理(li)(li)(li)石(shi)(shi)(shi)(shi)的(de)(de)三分(fen)(fen)之(zhi)一左右,光度(du)一般(ban)在(zai)(zai)90度(du)以(yi)上;色澤亮(liang)、板(ban)面凈(jing)表(biao)現(xian)更為(wei)突出,除天然裂隙、花紋外,幾乎無夾雜。