產品介紹
花崗巖(yan)(yan)(yan)是(shi)巖(yan)(yan)(yan)漿在地下深處經冷凝而形成的(de)深成酸性火成巖(yan)(yan)(yan),部分花崗巖(yan)(yan)(yan)為(wei)巖(yan)(yan)(yan)漿和沉積巖(yan)(yan)(yan)經變質而形成的(de)片麻巖(yan)(yan)(yan)類或(huo)混合巖(yan)(yan)(yan)化的(de)巖(yan)(yan)(yan)石,多為(wei)淺肉紅色(se)、淺灰色(se)、灰白色(se)等(deng)。其語源(yuan)是(shi)拉丁文(wen)的(de)granum,意指(zhi)顆粒。因花崗巖(yan)(yan)(yan)質地堅(jian)硬,色(se)澤美麗,不僅是(shi)很好的(de)建筑材(cai)料,還是(shi)露天雕(diao)刻(ke)的(de)..之(zhi)材(cai)。
1.火成(cheng)巖(yan)的一種,在地(di)殼(ke)上分(fen)布.廣(guang),是巖(yan)漿在地(di)殼(ke)深處逐漸冷卻凝結(jie)成(cheng)的結(jie)晶巖(yan)體,主要成(cheng)分(fen)是石英、長石和云(yun)母。一般是黃色(se)帶粉紅的,也有灰白(bai)色(se)的。質地(di)堅硬(ying),色(se)澤(ze)美麗,是很(hen)好的建筑材料。通稱(cheng)花崗石。
2.比喻頑固不化:花(hua)崗巖腦(nao)袋。
花崗巖成分:
花(hua)崗巖是巖漿在地下(xia)深處經(jing)冷(leng)凝而(er)形成的(de)(de)深成酸性火(huo)成巖,部分花(hua)崗巖為巖漿和(he)(he)沉積巖經(jing)變質(zhi)而(er)形成的(de)(de)片麻巖類或混合巖化的(de)(de)巖石(shi)(shi)。花(hua)崗巖主要組成礦物為長石(shi)(shi)、石(shi)(shi)英、黑(hei)白云(yun)母等(deng),石(shi)(shi)英含量是10%~50%。長石(shi)(shi)含量約(yue)總量之2/3,分為正長石(shi)(shi)、斜長石(shi)(shi)(堿石(shi)(shi)灰)及微(wei)斜長石(shi)(shi)(鉀堿)。不同(tong)品種的(de)(de)礦物成份不盡相同(tong),還可能有含輝石(shi)(shi)和(he)(he)角閃石(shi)(shi)。
甘肅花崗巖質地堅(jian)硬(ying),難被酸堿或風化作用侵(qin)蝕,常被用于建(jian)筑(zhu)物的材料。花(hua)(hua)崗(gang)巖(yan)(yan)(yan)(Granite)的語源是拉丁文的granum,而(er)漢字名(ming)詞花(hua)(hua)崗(gang)巖(yan)(yan)(yan)則(ze)是由(you)日本(ben)人翻譯而(er)來。明治初期的辭典與地質學書籍(ji)將Granite翻譯作花(hua)(hua)崗(gang)巖(yan)(yan)(yan)或花(hua)(hua)剛(gang)巖(yan)(yan)(yan)。花(hua)(hua)形容(rong)這種巖(yan)(yan)(yan)石有美麗的斑(ban)紋(wen),剛(gang)或崗(gang)則(ze)表示這種巖(yan)(yan)(yan)石很堅(jian)硬(ying),也就(jiu)是有著花(hua)(hua)般斑(ban)紋(wen)的剛(gang)硬(ying)巖(yan)(yan)(yan)石的意思(si)。
花崗巖形態特征:
花崗(gang)(gang)巖質(zhi)地(di)堅硬(ying)致密(mi)、強度高、抗風(feng)化、耐腐蝕(shi)、耐磨損、吸水性低,美麗的(de)(de)色澤還能保存(cun)百(bai)年以上,是(shi)建(jian)(jian)筑(zhu)的(de)(de)好材料,但它不(bu)耐熱。花崗(gang)(gang)巖石材按色彩、花紋(wen)、光(guang)澤、結構和(he)材質(zhi)等因(yin)素,分不(bu)同級次(ci)。臺灣經(jing)濟部礦物局將(jiang)花崗(gang)(gang)巖分為(wei)黑(hei)色系(xi)(xi)、棕色系(xi)(xi)、綠色系(xi)(xi)、灰白色系(xi)(xi)、淺紅色系(xi)(xi)及深紅色系(xi)(xi)六類。花崗(gang)(gang)巖雖然是(shi)建(jian)(jian)筑(zhu)的(de)(de)好材料,但是(shi)部份地(di)區的(de)(de)花崗(gang)(gang)巖會溢出氡,一種天然放射性氣體。氡會使人(ren)罹患肺癌,香港有13%的(de)(de)肺癌死者死因(yin)就是(shi)氡氣過(guo)濃(nong)。
富含(han)(han)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)英和長(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)粗粒或(huo)中(zhong)(zhong)(zhong)(zhong)粒侵入巖(yan)(yan)(yan)(yan),是地(di)殼(ke)中(zhong)(zhong)(zhong)(zhong).常(chang)見(jian)的(de)(de)(de)(de)深成巖(yan)(yan)(yan)(yan),由(you)巖(yan)(yan)(yan)(yan)漿在(zai)地(di)殼(ke)深處冷(leng)卻而成。由(you)于可(ke)(ke)作鋪路(lu)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)塊和建筑石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)料(liao),開采花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)一(yi)度(du)是一(yi)門重要的(de)(de)(de)(de)行業。花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)可(ke)(ke)以(yi)(yi)呈巖(yan)(yan)(yan)(yan)脈或(huo)巖(yan)(yan)(yan)(yan)床產出,更有(you)(you)代表性(xing)的(de)(de)(de)(de)是規模變化極(ji)大(da)(da)的(de)(de)(de)(de)不規則(ze)巖(yan)(yan)(yan)(yan)體(ti)。主要組分是長(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),斜(xie)長(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)和堿(jian)性(xing)長(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)一(yi)般都(dou)很豐(feng)(feng)富,二(er)者(zhe)(zhe)的(de)(de)(de)(de)相對豐(feng)(feng)度(du)成了花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)的(de)(de)(de)(de)分類(lei)基礎。大(da)(da)多(duo)(duo)數花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong),這里兩(liang)類(lei)長(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)比(bi)值都(dou)小于1/2。屬于這一(yi)類(lei)的(de)(de)(de)(de)有(you)(you)美(mei)國東(dong)部、中(zhong)(zhong)(zhong)(zhong)部、和西南部,英格蘭西南部,波羅的(de)(de)(de)(de)海地(di)盾區,法國西部和中(zhong)(zhong)(zhong)(zhong)部,西班牙以(yi)(yi)及其他許(xu)多(duo)(duo)地(di)區的(de)(de)(de)(de)大(da)(da)多(duo)(duo)數花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)。斜(xie)長(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)大(da)(da)大(da)(da)地(di)超過堿(jian)性(xing)長(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)類(lei),在(zai)美(mei)國西部一(yi)些地(di)區常(chang)見(jian)。堿(jian)性(xing)長(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)含(han)(han)量(liang)大(da)(da)大(da)(da)超過斜(xie)長(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)產于新英格蘭,英國和挪威奧(ao)斯陸地(di)區的(de)(de)(de)(de)許(xu)多(duo)(duo)地(di)點,但(dan)都(dou)是較(jiao)小的(de)(de)(de)(de)巖(yan)(yan)(yan)(yan)體(ti),在(zai)尼日利亞的(de)(de)(de)(de)北部發育十(shi)分廣(guang)泛。巖(yan)(yan)(yan)(yan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)(zhong)(zhong)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)英含(han)(han)量(liang)少(shao)于20%的(de)(de)(de)(de)不叫花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan),暗(an)色礦物(wu)(wu)(鐵(tie)鎂質礦物(wu)(wu))的(de)(de)(de)(de).大(da)(da)含(han)(han)量(liang)大(da)(da)約為(wei)20%(按體(ti)積)。花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)較(jiao)少(shao)的(de)(de)(de)(de)主要礦物(wu)(wu)是白云(yun)母、黑云(yun)母、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)罕見(jian)的(de)(de)(de)(de)鐵(tie)橄欖石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。黑云(yun)母可(ke)(ke)以(yi)(yi)產于任何(he)類(lei)型的(de)(de)(de)(de)花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong),而且通常(chang)都(dou)有(you)(you),盡(jin)管有(you)(you)時(shi)含(han)(han)量(liang)很少(shao)。含(han)(han)鈉的(de)(de)(de)(de)角(jiao)閃(shan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)和輝石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(鈉閃(shan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、鈉鐵(tie)閃(shan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、霓石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi))是堿(jian)性(xing)花(hua)(hua)崗(gang)(gang)巖(yan)(yan)(yan)(yan)特有(you)(you)的(de)(de)(de)(de)。如果兩(liang)類(lei)長(chang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)(zhong)(zhong)沒有(you)(you)一(yi)類(lei)含(han)(han)量(liang)大(da)(da)大(da)(da)超過另一(yi)類(lei),那么角(jiao)閃(shan)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、輝石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)都(dou)不大(da)(da)可(ke)(ke)能是主要礦物(wu)(wu);暗(an)色礦物(wu)(wu)通常(chang)是黑云(yun)母或(huo)白云(yun)母,或(huo)是二(er)者(zhe)(zhe)兼有(you)(you)。
應用價值:
花(hua)崗(gang)巖(yan)得天獨厚的(de)(de)(de)(de)物(wu)(wu)理特性加(jia)上它美麗的(de)(de)(de)(de)花(hua)紋使他成(cheng)為建(jian)筑的(de)(de)(de)(de)上好材料,素有“巖(yan)石之王”之稱,還(huan)有人用(yong)一(yi)(yi)觀(guan)、二(er)量、三聽、四試(shi)來評價好壞(huai)。在建(jian)筑中花(hua)崗(gang)巖(yan)從屋頂(ding)到地板(ban)都(dou)(dou)能使用(yong),人行道的(de)(de)(de)(de)路緣也是(shi)(shi),若(ruo)是(shi)(shi)把它壓碎還(huan)能制成(cheng)水泥或巖(yan)石填(tian)充壩。許(xu)多需要(yao)耐(nai)風吹雨打或需要(yao)長(chang)存(cun)的(de)(de)(de)(de)地方或物(wu)(wu)品都(dou)(dou)是(shi)(shi)由花(hua)崗(gang)巖(yan)制成(cheng)的(de)(de)(de)(de)。像(xiang)是(shi)(shi)臺北“中正紀(ji)念(nian)堂”的(de)(de)(de)(de)牌子(zi)和北京天安(an)門(men)前人民英雄紀(ji)念(nian)碑都(dou)(dou)是(shi)(shi)花(hua)崗(gang)巖(yan)做的(de)(de)(de)(de)。花(hua)崗(gang)巖(yan)過了千年仍歷久不衰(shuai)的(de)(de)(de)(de)特性,..的(de)(de)(de)(de)埃及金字塔就證明了這一(yi)(yi)點。
花(hua)崗巖(yan)結構均勻,質(zhi)地堅硬,顏色美觀,是優質(zhi)建(jian)筑(zhu)石料。抗壓(ya)強度(du)根據石材(cai)品種和產(chan)地不(bu)同而(er)異,約為1000-3000公斤(jin)/厘(li)米。花(hua)崗巖(yan)不(bu)易風化,顏色美觀,外觀色澤(ze)可保持百年以上,由于(yu)其硬度(du)高、耐磨損,除了用作(zuo)高級(ji)建(jian)筑(zhu)裝飾工(gong)程、大廳地面外,還是露天雕刻的..之材(cai)。
商業用花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)包(bao)括(kuo)前述(shu)之(zhi)(zhi)花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)、片麻(ma)巖(yan)(yan)(yan)(yan)(yan),片麻(ma)花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)、花(hua)崗(gang)片巖(yan)(yan)(yan)(yan)(yan)及學者所(suo)稱之(zhi)(zhi)正長(chang)(chang)巖(yan)(yan)(yan)(yan)(yan)、花(hua)崗(gang)閃(shan)長(chang)(chang)巖(yan)(yan)(yan)(yan)(yan)的成(cheng)(cheng)(cheng)分(fen)(fen)介于其(qi)間之(zhi)(zhi)巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)。片麻(ma)巖(yan)(yan)(yan)(yan)(yan)類(lei)之(zhi)(zhi)巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)包(bao)括(kuo)礦(kuang)物(wu)成(cheng)(cheng)(cheng)分(fen)(fen)、類(lei)似花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)及具粒狀(zhuang)結(jie)晶(jing)組(zu)織(zhi)(zhi)者。商業用花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)亦包(bao)括(kuo)其(qi)它類(lei)似之(zhi)(zhi)組(zu)織(zhi)(zhi)、含少量副成(cheng)(cheng)(cheng)分(fen)(fen)礦(kuang)物(wu)之(zhi)(zhi)長(chang)(chang)石(shi)(shi)質(zhi)結(jie)晶(jing)巖(yan)(yan)(yan)(yan)(yan),主要為裝飾(shi)用者,如(ru)巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)學者所(suo)稱之(zhi)(zhi)鈣斜(xie)長(chang)(chang)石(shi)(shi)。片麻(ma)巖(yan)(yan)(yan)(yan)(yan)為具粗理之(zhi)(zhi)結(jie)晶(jing)質(zhi)巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi),主要由硅酸(suan)鹽類(lei)礦(kuang)物(wu)組(zu)成(cheng)(cheng)(cheng),呈鑲嵌狀(zhuang)及粒狀(zhuang)結(jie)晶(jing)組(zu)織(zhi)(zhi),不同類(lei)之(zhi)(zhi)礦(kuang)物(wu)以規則或不規則,交互排列而(er)造成(cheng)(cheng)(cheng)。依照美國的材料試驗協會分(fen)(fen)類(lei)花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)分(fen)(fen)成(cheng)(cheng)(cheng)普通花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)與黑(hei)花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)兩種。普通花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)由石(shi)(shi)英、長(chang)(chang)石(shi)(shi)、云(yun)石(shi)(shi)等組(zu)成(cheng)(cheng)(cheng),又(you)因有(you)色(se)(se)(se)礦(kuang)物(wu)而(er)帶有(you)黑(hei)色(se)(se)(se)或暗綠色(se)(se)(se),整體而(er)言(yan)常(chang)受長(chang)(chang)石(shi)(shi)左右其(qi)色(se)(se)(se)澤。黑(hei)花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)的暗綠色(se)(se)(se)或黑(hei)色(se)(se)(se)巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi),由斜(xie)長(chang)(chang)石(shi)(shi)、輝石(shi)(shi)、橄(gan)欖(lan)石(shi)(shi)、角閃(shan)石(shi)(shi)等造巖(yan)(yan)(yan)(yan)(yan)而(er)成(cheng)(cheng)(cheng),故黑(hei)花(hua)崗(gang)巖(yan)(yan)(yan)(yan)(yan)又(you)分(fen)(fen)成(cheng)(cheng)(cheng)斑糲巖(yan)(yan)(yan)(yan)(yan)、輝綠巖(yan)(yan)(yan)(yan)(yan)、玄武巖(yan)(yan)(yan)(yan)(yan)等三種。
巖石成因:
在成(cheng)因方(fang)面,有人認為(wei)(wei)花(hua)崗(gang)巖是(shi)(shi)地(di)(di)殼深處的花(hua)崗(gang)巖漿經冷(leng)凝(ning)結(jie)(jie)(jie)晶(jing)或(huo)由玄(xuan)武(wu)巖漿結(jie)(jie)(jie)晶(jing)分(fen)異(yi)而成(cheng),也有人認為(wei)(wei)是(shi)(shi)深度變質和交代作(zuo)用(yong)所引起的花(hua)崗(gang)巖化作(zuo)用(yong)的結(jie)(jie)(jie)果。許(xu)多有色金屬(shu)礦(kuang)產如銅、鉛、鋅、鎢、錫、鉍、鉬等,貴金屬(shu)如金、銀(yin)等,稀有金屬(shu)如鈮(ni)、鉭、鈹等,放射性元素(su)如鈾(you)、釷(tu)等,都(dou)與(yu)花(hua)崗(gang)巖有關。花(hua)崗(gang)巖結(jie)(jie)(jie)構均勻(yun),質地(di)(di)堅(jian)硬,顏色美(mei)觀(guan),是(shi)(shi)優質建(jian)筑石料(liao)。