產品介紹
花崗(gang)巖(yan)是(shi)(shi)巖(yan)漿在地(di)下深處經冷凝而(er)形成的深成酸(suan)性火成巖(yan),部分花崗(gang)巖(yan)為(wei)巖(yan)漿和沉積巖(yan)經變質而(er)形成的片麻(ma)巖(yan)類(lei)或混(hun)合巖(yan)化的巖(yan)石,多為(wei)淺肉紅色(se)(se)、淺灰色(se)(se)、灰白色(se)(se)等。其語(yu)源是(shi)(shi)拉(la)丁文的granum,意指(zhi)顆粒。因花崗(gang)巖(yan)質地(di)堅硬,色(se)(se)澤美麗,不僅是(shi)(shi)很好的建筑材料,還(huan)是(shi)(shi)露天雕刻的..之材。
1.火成巖(yan)的(de)一種,在地殼(ke)上(shang)分布.廣(guang),是巖(yan)漿在地殼(ke)深處逐(zhu)漸(jian)冷卻凝結(jie)成的(de)結(jie)晶巖(yan)體(ti),主要成分是石英(ying)、長石和云(yun)母。一般(ban)是黃色(se)(se)帶粉紅(hong)的(de),也有灰白色(se)(se)的(de)。質地堅硬,色(se)(se)澤美麗(li),是很好(hao)的(de)建筑材料。通稱(cheng)花(hua)崗石。
2.比喻頑固不化(hua):花(hua)崗巖腦(nao)袋。
花崗巖成分:
花(hua)崗(gang)巖(yan)是巖(yan)漿(jiang)在地下深處經冷凝而形成(cheng)的深成(cheng)酸性火成(cheng)巖(yan),部分花(hua)崗(gang)巖(yan)為(wei)巖(yan)漿(jiang)和(he)沉(chen)積巖(yan)經變質而形成(cheng)的片(pian)麻(ma)巖(yan)類或混(hun)合(he)巖(yan)化的巖(yan)石(shi)(shi)。花(hua)崗(gang)巖(yan)主要組(zu)成(cheng)礦物為(wei)長(chang)(chang)石(shi)(shi)、石(shi)(shi)英、黑(hei)白云母(mu)等,石(shi)(shi)英含量是10%~50%。長(chang)(chang)石(shi)(shi)含量約總量之2/3,分為(wei)正長(chang)(chang)石(shi)(shi)、斜長(chang)(chang)石(shi)(shi)(堿石(shi)(shi)灰)及微(wei)斜長(chang)(chang)石(shi)(shi)(鉀(jia)堿)。不同(tong)品種(zhong)的礦物成(cheng)份不盡(jin)相同(tong),還可能有含輝石(shi)(shi)和(he)角閃石(shi)(shi)。
甘肅花崗巖質地堅硬,難被酸堿或(huo)風(feng)化作用侵蝕,常被用于建筑物(wu)的材料。花崗巖(yan)(yan)(Granite)的語(yu)源(yuan)是(shi)(shi)拉丁(ding)文的granum,而(er)漢字名詞花崗巖(yan)(yan)則是(shi)(shi)由日本人翻譯而(er)來。明治初期的辭典(dian)與地質學(xue)書籍將Granite翻譯作花崗巖(yan)(yan)或(huo)花剛巖(yan)(yan)。花形容這種(zhong)(zhong)巖(yan)(yan)石(shi)有美麗的斑紋(wen)(wen),剛或(huo)崗則表示(shi)這種(zhong)(zhong)巖(yan)(yan)石(shi)很堅硬,也就是(shi)(shi)有著花般斑紋(wen)(wen)的剛硬巖(yan)(yan)石(shi)的意思。
花崗巖形態特征:
花(hua)(hua)崗(gang)巖(yan)(yan)(yan)質地堅硬致密、強度高、抗風化、耐(nai)腐蝕、耐(nai)磨(mo)損(sun)、吸水性(xing)低,美麗的(de)色(se)(se)(se)澤還(huan)能保存(cun)百年以上(shang),是(shi)(shi)建(jian)筑的(de)好材料,但(dan)(dan)它不耐(nai)熱。花(hua)(hua)崗(gang)巖(yan)(yan)(yan)石(shi)材按色(se)(se)(se)彩、花(hua)(hua)紋、光澤、結構和材質等因(yin)素(su),分不同級次。臺(tai)灣經濟部(bu)礦(kuang)物局將花(hua)(hua)崗(gang)巖(yan)(yan)(yan)分為黑色(se)(se)(se)系、棕色(se)(se)(se)系、綠色(se)(se)(se)系、灰(hui)白色(se)(se)(se)系、淺紅色(se)(se)(se)系及深(shen)紅色(se)(se)(se)系六類。花(hua)(hua)崗(gang)巖(yan)(yan)(yan)雖然(ran)(ran)是(shi)(shi)建(jian)筑的(de)好材料,但(dan)(dan)是(shi)(shi)部(bu)份地區(qu)的(de)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)會(hui)(hui)溢出氡,一(yi)種天然(ran)(ran)放射性(xing)氣體。氡會(hui)(hui)使人(ren)罹患肺癌(ai),香港有13%的(de)肺癌(ai)死者(zhe)死因(yin)就是(shi)(shi)氡氣過濃。
富含(han)(han)石(shi)(shi)英(ying)和(he)長(chang)(chang)石(shi)(shi)的(de)(de)粗粒(li)或(huo)中(zhong)(zhong)粒(li)侵(qin)入巖(yan)(yan)(yan),是(shi)(shi)地(di)(di)(di)殼中(zhong)(zhong).常(chang)見的(de)(de)深成巖(yan)(yan)(yan),由巖(yan)(yan)(yan)漿在(zai)地(di)(di)(di)殼深處冷卻而(er)成。由于(yu)(yu)可(ke)作鋪路石(shi)(shi)塊和(he)建筑(zhu)石(shi)(shi)料,開(kai)采(cai)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)一度(du)是(shi)(shi)一門重要的(de)(de)行業。花(hua)(hua)崗(gang)巖(yan)(yan)(yan)可(ke)以呈巖(yan)(yan)(yan)脈或(huo)巖(yan)(yan)(yan)床產出,更(geng)有(you)(you)代表(biao)性(xing)的(de)(de)是(shi)(shi)規(gui)模(mo)變化極(ji)大(da)(da)的(de)(de)不規(gui)則巖(yan)(yan)(yan)體(ti)。主(zhu)要組分是(shi)(shi)長(chang)(chang)石(shi)(shi),斜(xie)長(chang)(chang)石(shi)(shi)和(he)堿(jian)性(xing)長(chang)(chang)石(shi)(shi)一般都很豐富,二(er)者的(de)(de)相對(dui)豐度(du)成了(le)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)的(de)(de)分類(lei)(lei)(lei)基礎(chu)。大(da)(da)多數(shu)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)中(zhong)(zhong),這里兩類(lei)(lei)(lei)長(chang)(chang)石(shi)(shi)的(de)(de)比(bi)值(zhi)都小(xiao)于(yu)(yu)1/2。屬(shu)于(yu)(yu)這一類(lei)(lei)(lei)的(de)(de)有(you)(you)美國(guo)東部(bu)(bu)、中(zhong)(zhong)部(bu)(bu)、和(he)西南(nan)部(bu)(bu),英(ying)格蘭西南(nan)部(bu)(bu),波羅的(de)(de)海地(di)(di)(di)盾區,法國(guo)西部(bu)(bu)和(he)中(zhong)(zhong)部(bu)(bu),西班牙(ya)以及其他(ta)許多地(di)(di)(di)區的(de)(de)大(da)(da)多數(shu)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)。斜(xie)長(chang)(chang)石(shi)(shi)大(da)(da)大(da)(da)地(di)(di)(di)超過(guo)堿(jian)性(xing)長(chang)(chang)石(shi)(shi)的(de)(de)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)類(lei)(lei)(lei),在(zai)美國(guo)西部(bu)(bu)一些地(di)(di)(di)區常(chang)見。堿(jian)性(xing)長(chang)(chang)石(shi)(shi)含(han)(han)量大(da)(da)大(da)(da)超過(guo)斜(xie)長(chang)(chang)石(shi)(shi)的(de)(de)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)產于(yu)(yu)新英(ying)格蘭,英(ying)國(guo)和(he)挪威奧斯陸地(di)(di)(di)區的(de)(de)許多地(di)(di)(di)點,但(dan)都是(shi)(shi)較(jiao)小(xiao)的(de)(de)巖(yan)(yan)(yan)體(ti),在(zai)尼(ni)日利亞的(de)(de)北部(bu)(bu)發育十分廣泛。巖(yan)(yan)(yan)石(shi)(shi)中(zhong)(zhong)石(shi)(shi)英(ying)含(han)(han)量少于(yu)(yu)20%的(de)(de)不叫花(hua)(hua)崗(gang)巖(yan)(yan)(yan),暗色(se)礦物(wu)(鐵鎂(mei)質礦物(wu))的(de)(de).大(da)(da)含(han)(han)量大(da)(da)約為20%(按體(ti)積)。花(hua)(hua)崗(gang)巖(yan)(yan)(yan)中(zhong)(zhong)較(jiao)少的(de)(de)主(zhu)要礦物(wu)是(shi)(shi)白云(yun)母(mu)、黑云(yun)母(mu)、角閃(shan)石(shi)(shi)、輝石(shi)(shi)或(huo)罕見的(de)(de)鐵橄欖(lan)石(shi)(shi)。黑云(yun)母(mu)可(ke)以產于(yu)(yu)任何類(lei)(lei)(lei)型的(de)(de)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)中(zhong)(zhong),而(er)且通常(chang)都有(you)(you),盡管有(you)(you)時(shi)含(han)(han)量很少。含(han)(han)鈉的(de)(de)角閃(shan)石(shi)(shi)和(he)輝石(shi)(shi)(鈉閃(shan)石(shi)(shi)、鈉鐵閃(shan)石(shi)(shi)、霓石(shi)(shi))是(shi)(shi)堿(jian)性(xing)花(hua)(hua)崗(gang)巖(yan)(yan)(yan)特(te)有(you)(you)的(de)(de)。如果(guo)兩類(lei)(lei)(lei)長(chang)(chang)石(shi)(shi)中(zhong)(zhong)沒(mei)有(you)(you)一類(lei)(lei)(lei)含(han)(han)量大(da)(da)大(da)(da)超過(guo)另一類(lei)(lei)(lei),那么角閃(shan)石(shi)(shi)、輝石(shi)(shi)都不大(da)(da)可(ke)能是(shi)(shi)主(zhu)要礦物(wu);暗色(se)礦物(wu)通常(chang)是(shi)(shi)黑云(yun)母(mu)或(huo)白云(yun)母(mu),或(huo)是(shi)(shi)二(er)者兼有(you)(you)。
應用價值:
花(hua)崗(gang)巖(yan)得天獨(du)厚的(de)物理特性加(jia)上它美麗的(de)花(hua)紋(wen)使他成(cheng)為建筑(zhu)的(de)上好材料,素有(you)“巖(yan)石之王”之稱(cheng),還有(you)人(ren)用一觀、二量、三聽(ting)、四試來(lai)評(ping)價好壞。在建筑(zhu)中(zhong)(zhong)花(hua)崗(gang)巖(yan)從屋頂到地板都(dou)能(neng)使用,人(ren)行道的(de)路(lu)緣也是,若是把它壓碎(sui)還能(neng)制(zhi)成(cheng)水泥或(huo)巖(yan)石填(tian)充壩。許(xu)多需要耐風吹雨打或(huo)需要長存的(de)地方或(huo)物品都(dou)是由花(hua)崗(gang)巖(yan)制(zhi)成(cheng)的(de)。像是臺北(bei)“中(zhong)(zhong)正紀(ji)念堂(tang)”的(de)牌子和北(bei)京天安門前人(ren)民英雄紀(ji)念碑都(dou)是花(hua)崗(gang)巖(yan)做的(de)。花(hua)崗(gang)巖(yan)過(guo)了千(qian)年仍歷久不衰的(de)特性,..的(de)埃及金字塔就證明(ming)了這一點。
花崗巖(yan)結構均(jun)勻,質(zhi)地(di)堅硬,顏色美觀(guan),是優質(zhi)建(jian)(jian)筑(zhu)石(shi)料。抗壓強度(du)根據石(shi)材品種和產地(di)不同而異,約為1000-3000公斤(jin)/厘米。花崗巖(yan)不易(yi)風化,顏色美觀(guan),外觀(guan)色澤可保持百年以(yi)上(shang),由于其硬度(du)高、耐磨損,除了用作高級建(jian)(jian)筑(zhu)裝飾工程、大廳(ting)地(di)面(mian)外,還是露天雕(diao)刻的..之材。
商(shang)業用花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)包(bao)括前(qian)述之(zhi)(zhi)(zhi)花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)、片(pian)(pian)(pian)麻(ma)巖(yan)(yan)(yan)(yan)(yan),片(pian)(pian)(pian)麻(ma)花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)、花(hua)(hua)(hua)(hua)崗(gang)(gang)片(pian)(pian)(pian)巖(yan)(yan)(yan)(yan)(yan)及(ji)學(xue)者(zhe)所(suo)稱(cheng)之(zhi)(zhi)(zhi)正(zheng)長(chang)(chang)(chang)巖(yan)(yan)(yan)(yan)(yan)、花(hua)(hua)(hua)(hua)崗(gang)(gang)閃(shan)長(chang)(chang)(chang)巖(yan)(yan)(yan)(yan)(yan)的成(cheng)(cheng)(cheng)分(fen)(fen)介(jie)于其間之(zhi)(zhi)(zhi)巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi)。片(pian)(pian)(pian)麻(ma)巖(yan)(yan)(yan)(yan)(yan)類之(zhi)(zhi)(zhi)巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi)包(bao)括礦(kuang)物(wu)成(cheng)(cheng)(cheng)分(fen)(fen)、類似花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)及(ji)具(ju)粒(li)狀結(jie)晶組(zu)織者(zhe)。商(shang)業用花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)亦包(bao)括其它類似之(zhi)(zhi)(zhi)組(zu)織、含少量副(fu)成(cheng)(cheng)(cheng)分(fen)(fen)礦(kuang)物(wu)之(zhi)(zhi)(zhi)長(chang)(chang)(chang)石(shi)(shi)(shi)(shi)質結(jie)晶巖(yan)(yan)(yan)(yan)(yan),主(zhu)(zhu)要(yao)為裝飾用者(zhe),如巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi)學(xue)者(zhe)所(suo)稱(cheng)之(zhi)(zhi)(zhi)鈣斜長(chang)(chang)(chang)石(shi)(shi)(shi)(shi)。片(pian)(pian)(pian)麻(ma)巖(yan)(yan)(yan)(yan)(yan)為具(ju)粗理之(zhi)(zhi)(zhi)結(jie)晶質巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi),主(zhu)(zhu)要(yao)由硅酸鹽(yan)類礦(kuang)物(wu)組(zu)成(cheng)(cheng)(cheng),呈(cheng)鑲嵌(qian)狀及(ji)粒(li)狀結(jie)晶組(zu)織,不同類之(zhi)(zhi)(zhi)礦(kuang)物(wu)以規(gui)則(ze)或不規(gui)則(ze),交互排列而(er)造(zao)成(cheng)(cheng)(cheng)。依照美國的材料試驗協會分(fen)(fen)類花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)分(fen)(fen)成(cheng)(cheng)(cheng)普(pu)通花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)與黑花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)兩種。普(pu)通花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)由石(shi)(shi)(shi)(shi)英、長(chang)(chang)(chang)石(shi)(shi)(shi)(shi)、云石(shi)(shi)(shi)(shi)等組(zu)成(cheng)(cheng)(cheng),又(you)(you)因(yin)有(you)色礦(kuang)物(wu)而(er)帶(dai)有(you)黑色或暗綠(lv)(lv)色,整體而(er)言(yan)常受長(chang)(chang)(chang)石(shi)(shi)(shi)(shi)左(zuo)右其色澤(ze)。黑花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)的暗綠(lv)(lv)色或黑色巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi),由斜長(chang)(chang)(chang)石(shi)(shi)(shi)(shi)、輝(hui)石(shi)(shi)(shi)(shi)、橄欖(lan)石(shi)(shi)(shi)(shi)、角(jiao)閃(shan)石(shi)(shi)(shi)(shi)等造(zao)巖(yan)(yan)(yan)(yan)(yan)而(er)成(cheng)(cheng)(cheng),故黑花(hua)(hua)(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)(yan)又(you)(you)分(fen)(fen)成(cheng)(cheng)(cheng)斑糲巖(yan)(yan)(yan)(yan)(yan)、輝(hui)綠(lv)(lv)巖(yan)(yan)(yan)(yan)(yan)、玄武(wu)巖(yan)(yan)(yan)(yan)(yan)等三種。
巖石成因:
在成因(yin)方面,有人認為花(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)是地殼深處的(de)花(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)漿(jiang)(jiang)經冷凝(ning)結(jie)(jie)晶(jing)或由玄武巖(yan)(yan)漿(jiang)(jiang)結(jie)(jie)晶(jing)分異而成,也有人認為是深度(du)變質(zhi)和(he)交代作(zuo)用(yong)所引起的(de)花(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)化(hua)作(zuo)用(yong)的(de)結(jie)(jie)果(guo)。許多有色金(jin)屬(shu)礦產如(ru)(ru)(ru)銅、鉛、鋅(xin)、鎢、錫、鉍、鉬等(deng),貴金(jin)屬(shu)如(ru)(ru)(ru)金(jin)、銀等(deng),稀有金(jin)屬(shu)如(ru)(ru)(ru)鈮、鉭、鈹等(deng),放射性元素如(ru)(ru)(ru)鈾、釷(tu)等(deng),都與花(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)有關(guan)。花(hua)(hua)崗(gang)(gang)(gang)巖(yan)(yan)結(jie)(jie)構(gou)均勻,質(zhi)地堅硬,顏色美觀,是優質(zhi)建(jian)筑石料。