產品介紹
花(hua)崗(gang)巖(yan)(yan)是巖(yan)(yan)漿(jiang)在地下深(shen)處經冷(leng)凝而(er)形成的(de)深(shen)成酸性(xing)火(huo)成巖(yan)(yan),部分花(hua)崗(gang)巖(yan)(yan)為巖(yan)(yan)漿(jiang)和沉積巖(yan)(yan)經變質而(er)形成的(de)片麻(ma)巖(yan)(yan)類或混合(he)巖(yan)(yan)化的(de)巖(yan)(yan)石,多為淺(qian)肉紅色(se)(se)、淺(qian)灰(hui)(hui)色(se)(se)、灰(hui)(hui)白色(se)(se)等。其語源(yuan)是拉丁文(wen)的(de)granum,意指顆(ke)粒。因花(hua)崗(gang)巖(yan)(yan)質地堅硬,色(se)(se)澤(ze)美麗,不僅是很好(hao)的(de)建筑材(cai)料(liao),還是露(lu)天雕(diao)刻的(de)..之(zhi)材(cai)。
1.火成(cheng)巖的一(yi)種,在(zai)地(di)(di)殼上(shang)分(fen)布.廣(guang),是(shi)巖漿(jiang)在(zai)地(di)(di)殼深處逐漸冷卻凝結成(cheng)的結晶巖體(ti),主(zhu)要(yao)成(cheng)分(fen)是(shi)石(shi)英、長石(shi)和云母。一(yi)般是(shi)黃色帶(dai)粉紅(hong)的,也有灰白(bai)色的。質地(di)(di)堅硬(ying),色澤美麗(li),是(shi)很(hen)好的建筑材料。通稱花崗石(shi)。
2.比(bi)喻頑固不(bu)化(hua):花崗巖腦袋(dai)。
花崗巖成分:
花(hua)崗(gang)巖(yan)是巖(yan)漿(jiang)在(zai)地下(xia)深處經冷凝(ning)而形成(cheng)(cheng)的(de)深成(cheng)(cheng)酸性火成(cheng)(cheng)巖(yan),部分花(hua)崗(gang)巖(yan)為巖(yan)漿(jiang)和(he)沉積巖(yan)經變質而形成(cheng)(cheng)的(de)片麻巖(yan)類(lei)或混合巖(yan)化的(de)巖(yan)石(shi)(shi)(shi)。花(hua)崗(gang)巖(yan)主要(yao)組成(cheng)(cheng)礦物為長(chang)石(shi)(shi)(shi)、石(shi)(shi)(shi)英、黑白云母等,石(shi)(shi)(shi)英含(han)量(liang)是10%~50%。長(chang)石(shi)(shi)(shi)含(han)量(liang)約總量(liang)之2/3,分為正長(chang)石(shi)(shi)(shi)、斜長(chang)石(shi)(shi)(shi)(堿石(shi)(shi)(shi)灰)及微斜長(chang)石(shi)(shi)(shi)(鉀堿)。不同品種的(de)礦物成(cheng)(cheng)份不盡相(xiang)同,還可能有含(han)輝石(shi)(shi)(shi)和(he)角閃石(shi)(shi)(shi)。
甘肅花崗巖質(zhi)地堅(jian)硬(ying)(ying),難被酸堿或風(feng)化(hua)作用侵蝕,常(chang)被用于建(jian)筑物的材料。花(hua)(hua)崗(gang)(gang)(gang)巖(yan)(Granite)的語(yu)源是(shi)(shi)拉丁(ding)文的granum,而(er)漢字名詞花(hua)(hua)崗(gang)(gang)(gang)巖(yan)則是(shi)(shi)由日本人翻譯而(er)來。明治初期(qi)的辭典與地質(zhi)學書籍將Granite翻譯作花(hua)(hua)崗(gang)(gang)(gang)巖(yan)或花(hua)(hua)剛(gang)巖(yan)。花(hua)(hua)形容這種巖(yan)石(shi)有美麗(li)的斑紋,剛(gang)或崗(gang)(gang)(gang)則表示這種巖(yan)石(shi)很堅(jian)硬(ying)(ying),也(ye)就是(shi)(shi)有著花(hua)(hua)般斑紋的剛(gang)硬(ying)(ying)巖(yan)石(shi)的意思。
花崗巖形態特征:
花(hua)崗(gang)(gang)巖質地(di)堅硬(ying)致密、強度(du)高、抗風化、耐腐蝕(shi)、耐磨(mo)損、吸水性(xing)低,美麗的(de)(de)色(se)(se)(se)澤(ze)還能保(bao)存百年以上,是建筑(zhu)的(de)(de)好(hao)材(cai)料(liao),但它不(bu)耐熱。花(hua)崗(gang)(gang)巖石(shi)材(cai)按色(se)(se)(se)彩(cai)、花(hua)紋(wen)、光澤(ze)、結構(gou)和材(cai)質等因素,分(fen)不(bu)同級次(ci)。臺灣經濟部礦物局將花(hua)崗(gang)(gang)巖分(fen)為黑色(se)(se)(se)系(xi)、棕色(se)(se)(se)系(xi)、綠色(se)(se)(se)系(xi)、灰白色(se)(se)(se)系(xi)、淺紅色(se)(se)(se)系(xi)及深(shen)紅色(se)(se)(se)系(xi)六類。花(hua)崗(gang)(gang)巖雖然是建筑(zhu)的(de)(de)好(hao)材(cai)料(liao),但是部份地(di)區的(de)(de)花(hua)崗(gang)(gang)巖會溢出氡,一種(zhong)天然放射性(xing)氣(qi)體。氡會使人罹患肺癌,香港有13%的(de)(de)肺癌死(si)者死(si)因就是氡氣(qi)過濃。
富(fu)含石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)英(ying)和(he)長(chang)(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)粗粒(li)或(huo)中(zhong)粒(li)侵入(ru)巖(yan)(yan)(yan)(yan)(yan),是(shi)地(di)(di)(di)殼(ke)中(zhong).常(chang)見的(de)(de)(de)深成(cheng)巖(yan)(yan)(yan)(yan)(yan),由巖(yan)(yan)(yan)(yan)(yan)漿在地(di)(di)(di)殼(ke)深處(chu)冷卻而成(cheng)。由于(yu)可作(zuo)鋪(pu)路石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)塊和(he)建(jian)筑石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)料,開采花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)一(yi)(yi)度是(shi)一(yi)(yi)門(men)重要的(de)(de)(de)行業。花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)可以(yi)呈巖(yan)(yan)(yan)(yan)(yan)脈(mo)或(huo)巖(yan)(yan)(yan)(yan)(yan)床產(chan)(chan)出,更有(you)代表性的(de)(de)(de)是(shi)規模(mo)變化(hua)極大(da)(da)的(de)(de)(de)不規則巖(yan)(yan)(yan)(yan)(yan)體(ti)。主要組分是(shi)長(chang)(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),斜(xie)長(chang)(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)和(he)堿(jian)性長(chang)(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)一(yi)(yi)般都(dou)(dou)很豐富(fu),二者的(de)(de)(de)相對豐度成(cheng)了花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)的(de)(de)(de)分類(lei)(lei)(lei)基礎。大(da)(da)多數花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)中(zhong),這里兩(liang)類(lei)(lei)(lei)長(chang)(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)比值都(dou)(dou)小(xiao)(xiao)于(yu)1/2。屬于(yu)這一(yi)(yi)類(lei)(lei)(lei)的(de)(de)(de)有(you)美(mei)國(guo)東部、中(zhong)部、和(he)西南(nan)部,英(ying)格(ge)蘭西南(nan)部,波羅的(de)(de)(de)海地(di)(di)(di)盾區,法國(guo)西部和(he)中(zhong)部,西班牙以(yi)及其他(ta)許多地(di)(di)(di)區的(de)(de)(de)大(da)(da)多數花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)。斜(xie)長(chang)(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)大(da)(da)大(da)(da)地(di)(di)(di)超過(guo)堿(jian)性長(chang)(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)類(lei)(lei)(lei),在美(mei)國(guo)西部一(yi)(yi)些地(di)(di)(di)區常(chang)見。堿(jian)性長(chang)(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)含量(liang)大(da)(da)大(da)(da)超過(guo)斜(xie)長(chang)(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)產(chan)(chan)于(yu)新(xin)英(ying)格(ge)蘭,英(ying)國(guo)和(he)挪威奧(ao)斯陸地(di)(di)(di)區的(de)(de)(de)許多地(di)(di)(di)點,但都(dou)(dou)是(shi)較小(xiao)(xiao)的(de)(de)(de)巖(yan)(yan)(yan)(yan)(yan)體(ti),在尼日利(li)亞的(de)(de)(de)北部發育十(shi)分廣泛。巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)英(ying)含量(liang)少于(yu)20%的(de)(de)(de)不叫花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan),暗色(se)礦(kuang)物(wu)(wu)(wu)(鐵鎂質礦(kuang)物(wu)(wu)(wu))的(de)(de)(de).大(da)(da)含量(liang)大(da)(da)約為20%(按體(ti)積)。花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)中(zhong)較少的(de)(de)(de)主要礦(kuang)物(wu)(wu)(wu)是(shi)白云(yun)母(mu)、黑云(yun)母(mu)、角(jiao)閃(shan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、輝石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)或(huo)罕(han)見的(de)(de)(de)鐵橄欖石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。黑云(yun)母(mu)可以(yi)產(chan)(chan)于(yu)任(ren)何類(lei)(lei)(lei)型的(de)(de)(de)花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)中(zhong),而且通常(chang)都(dou)(dou)有(you),盡管有(you)時含量(liang)很少。含鈉的(de)(de)(de)角(jiao)閃(shan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)和(he)輝石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(鈉閃(shan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、鈉鐵閃(shan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、霓(ni)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi))是(shi)堿(jian)性花(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)特有(you)的(de)(de)(de)。如果兩(liang)類(lei)(lei)(lei)長(chang)(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)沒(mei)有(you)一(yi)(yi)類(lei)(lei)(lei)含量(liang)大(da)(da)大(da)(da)超過(guo)另一(yi)(yi)類(lei)(lei)(lei),那(nei)么角(jiao)閃(shan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、輝石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)都(dou)(dou)不大(da)(da)可能是(shi)主要礦(kuang)物(wu)(wu)(wu);暗色(se)礦(kuang)物(wu)(wu)(wu)通常(chang)是(shi)黑云(yun)母(mu)或(huo)白云(yun)母(mu),或(huo)是(shi)二者兼有(you)。
應用價值:
花(hua)(hua)(hua)崗(gang)巖(yan)得天(tian)獨厚的(de)(de)(de)(de)物理(li)特(te)性加上(shang)它(ta)美麗的(de)(de)(de)(de)花(hua)(hua)(hua)紋(wen)使他成(cheng)(cheng)(cheng)為建筑的(de)(de)(de)(de)上(shang)好材料(liao),素(su)有“巖(yan)石之王”之稱,還(huan)有人用(yong)一觀、二量、三聽、四試來評價(jia)好壞。在建筑中花(hua)(hua)(hua)崗(gang)巖(yan)從(cong)屋(wu)頂到地板都(dou)能使用(yong),人行道的(de)(de)(de)(de)路緣也是(shi)(shi)(shi),若是(shi)(shi)(shi)把它(ta)壓碎還(huan)能制(zhi)(zhi)成(cheng)(cheng)(cheng)水泥或(huo)(huo)巖(yan)石填充壩。許多(duo)需要耐(nai)風(feng)吹(chui)雨打或(huo)(huo)需要長(chang)存的(de)(de)(de)(de)地方或(huo)(huo)物品都(dou)是(shi)(shi)(shi)由花(hua)(hua)(hua)崗(gang)巖(yan)制(zhi)(zhi)成(cheng)(cheng)(cheng)的(de)(de)(de)(de)。像是(shi)(shi)(shi)臺(tai)北“中正(zheng)紀念(nian)堂(tang)”的(de)(de)(de)(de)牌子和北京天(tian)安門(men)前人民英雄紀念(nian)碑(bei)都(dou)是(shi)(shi)(shi)花(hua)(hua)(hua)崗(gang)巖(yan)做的(de)(de)(de)(de)。花(hua)(hua)(hua)崗(gang)巖(yan)過了千年仍歷久不(bu)衰的(de)(de)(de)(de)特(te)性,..的(de)(de)(de)(de)埃及金字塔(ta)就證(zheng)明了這一點。
花崗巖結構均勻(yun),質(zhi)地(di)堅(jian)硬(ying),顏色美觀,是優(you)質(zhi)建(jian)筑(zhu)石料。抗壓強度根據石材(cai)品種和產地(di)不(bu)同而異,約為1000-3000公(gong)斤/厘米。花崗巖不(bu)易風化(hua),顏色美觀,外(wai)觀色澤可保持百年以上(shang),由于(yu)其(qi)硬(ying)度高(gao)、耐磨(mo)損,除(chu)了用作高(gao)級建(jian)筑(zhu)裝飾(shi)工程(cheng)、大廳地(di)面外(wai),還是露天雕刻的(de)..之(zhi)材(cai)。
商業用(yong)(yong)花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)包(bao)括(kuo)(kuo)前述之花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)、片(pian)(pian)麻(ma)(ma)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan),片(pian)(pian)麻(ma)(ma)花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)、花(hua)(hua)(hua)崗(gang)(gang)(gang)片(pian)(pian)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)及(ji)學者(zhe)(zhe)所稱(cheng)之正長巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)、花(hua)(hua)(hua)崗(gang)(gang)(gang)閃長巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)的成(cheng)(cheng)分(fen)介于其(qi)(qi)間之巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi)。片(pian)(pian)麻(ma)(ma)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)類(lei)(lei)(lei)之巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi)包(bao)括(kuo)(kuo)礦物成(cheng)(cheng)分(fen)、類(lei)(lei)(lei)似花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)及(ji)具(ju)粒狀結晶組(zu)織者(zhe)(zhe)。商業用(yong)(yong)花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)亦(yi)包(bao)括(kuo)(kuo)其(qi)(qi)它類(lei)(lei)(lei)似之組(zu)織、含少量(liang)副成(cheng)(cheng)分(fen)礦物之長石(shi)(shi)(shi)(shi)質(zhi)結晶巖(yan)(yan)(yan)(yan)(yan)(yan)(yan),主(zhu)要(yao)為(wei)裝飾用(yong)(yong)者(zhe)(zhe),如巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi)學者(zhe)(zhe)所稱(cheng)之鈣斜(xie)長石(shi)(shi)(shi)(shi)。片(pian)(pian)麻(ma)(ma)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)為(wei)具(ju)粗理(li)之結晶質(zhi)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi),主(zhu)要(yao)由硅酸鹽類(lei)(lei)(lei)礦物組(zu)成(cheng)(cheng),呈鑲嵌狀及(ji)粒狀結晶組(zu)織,不同(tong)類(lei)(lei)(lei)之礦物以規(gui)則(ze)或不規(gui)則(ze),交互(hu)排列而造成(cheng)(cheng)。依(yi)照美國的材料試驗(yan)協會分(fen)類(lei)(lei)(lei)花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)分(fen)成(cheng)(cheng)普(pu)通(tong)花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)與黑花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)兩(liang)種(zhong)。普(pu)通(tong)花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)由石(shi)(shi)(shi)(shi)英、長石(shi)(shi)(shi)(shi)、云石(shi)(shi)(shi)(shi)等組(zu)成(cheng)(cheng),又因(yin)有(you)色(se)礦物而帶有(you)黑色(se)或暗綠色(se),整體而言常受長石(shi)(shi)(shi)(shi)左右其(qi)(qi)色(se)澤。黑花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)的暗綠色(se)或黑色(se)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi),由斜(xie)長石(shi)(shi)(shi)(shi)、輝(hui)石(shi)(shi)(shi)(shi)、橄欖石(shi)(shi)(shi)(shi)、角(jiao)閃石(shi)(shi)(shi)(shi)等造巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)而成(cheng)(cheng),故黑花(hua)(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)又分(fen)成(cheng)(cheng)斑糲巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)、輝(hui)綠巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)、玄(xuan)武巖(yan)(yan)(yan)(yan)(yan)(yan)(yan)等三種(zhong)。
巖石成因:
在(zai)成因方面,有人認(ren)為花崗(gang)巖(yan)(yan)(yan)是(shi)地殼深(shen)處(chu)的花崗(gang)巖(yan)(yan)(yan)漿(jiang)經(jing)冷凝結晶(jing)或由玄(xuan)武巖(yan)(yan)(yan)漿(jiang)結晶(jing)分異而成,也有人認(ren)為是(shi)深(shen)度變質和交代作用(yong)所引起的花崗(gang)巖(yan)(yan)(yan)化(hua)作用(yong)的結果(guo)。許多有色(se)(se)金(jin)(jin)屬礦產如銅(tong)、鉛、鋅、鎢(wu)、錫、鉍、鉬等,貴金(jin)(jin)屬如金(jin)(jin)、銀等,稀有金(jin)(jin)屬如鈮、鉭(tan)、鈹等,放(fang)射(she)性(xing)元素如鈾、釷(tu)等,都與花崗(gang)巖(yan)(yan)(yan)有關。花崗(gang)巖(yan)(yan)(yan)結構(gou)均(jun)勻,質地堅硬,顏色(se)(se)美觀,是(shi)優質建(jian)筑石料。