钻石的形成原因是什么？钻石是怎么形成的

       钻石的形成原因——地球深处的高温高压

       dabufenzuanshishizaidizhidegaowengaoyaxiaxingchengde。erzuanshixingchengtiaojiandeyalizai4.5dao6gpa，wenduzai1100dao1500℃。dazhihuansuanxialaixiangdangyudixia150dao200kmdeshendu。zaidiqiushenchuzhiyouhenshaodedifangjuyouzheizhongzuanshixingchengdewuli、huaxuetiaojian。

       congmuqiankaicaidezuanshikuangzhongfaxian，juedaduoshudezuanshixingchengniandaidouzai20yizhi30yinianqian，zainanfeidiqufaxiandeyixiezuanshidenianlingshenzhidadaole45yinianzuoyou，zheiyenengzaiyifangmianzhengshizuanshishizaidiqiudanshenghoubujiubiankaishizaidiqiuneibujiejingde。zuanshiyeshishijieshangzuigulaodebaoshi。

       neimezuanshixingchengyuniandaijiuyuandedicengshenchu，shizenmebeifaxiandeni？zuanshiyibanshitongguohuoshanbaofaerbeiyanjiangdaidaodibiao。youxiezuanshikuangshiqiahaoluozaiheliushangyou，jingguoqianbainiandefengchuirishaiziranwajie，zuanshibaoluzaiwai，suizhejingliudechongshualaidaoxiayou，beiyouyuanrendefaxian。suoyizaizuikaishideshihourenmendoushizhijiezaihebian“taozuanshi”，jiuxiangtaojinneiyang。

       jinboliyan

       1850nianzuoyourenmenlejiedaoyouyizhongkuangshizhongfuhanzuanshi，1867nian，zainanfeixiaozhenjinbolifujindaguimodefaxianlezheizhongyanshi，bingqiezhengshigengmingwei“jinboliyan”；cihoutaozuanshigaichenglewazuanshi，nanfeidiquyechengweizhimingzuanshichandi。

       jiameihuangbanyan

       lingyizhonghanyouzuanshideyuanyanchengjiameihuangbanyan（lamproite），tashiyizhongguojianxingmeizhihuoshanyan，zhuyaoyoubailiushi、huoshanbolixingcheng，kehanhuishi、ganlanshidengkuangwu，dianxingchandiweiaodaliyaxibuagaier（argyle）。

       钻石的形成原因——陨石撞击

       dangxiedaishimodeyunshizhuangshangdiqiushi，zhuangjichanshengdegaowengaoyanengbashimozhuanbianchengxiyouqiejiduanjianyingdejingangshi。

       2008nian，yikuaiganhuiwuqiuliyunshidiaoluozaisudannubiyashamozhong，zaitajianglindiqiuzhiqian，kexuejiamenjiuduiqizhankaizhuizong，bingbatamingmingweialmahata sitta(alaboyuzhong“diliuzhan”deyisi)。yanjiufaxian，tabujinjinshiyikuaiputongdeyunshi，zixifenxihou，kexuejiaquedingzheikuaiyunshilihanyoujingangshi——zuanshideyuanshi。

       “zuanshicheng”deguonuodelingen（nördlingen）xiaozhenjiushiyunshizhuangjizhihoujianchengde。

       1500wannianqian，yike1gonglikuandexiaoxingxingyimeimiao25gonglidesuduzhuangjidimian，chanshengleyige26gonglikuandeyunshikeng，zhouweijiyanzaoshouqiangliedereliangheyali，neibudetanqipaojihushunjianbianchenglebuzu0.2haomideweixiaozuanshi，rouyanmianqiangkejian。youyubuzhidaoyanshizhonghanyouzuanshi，xiaozhenlidejianzhuwujihuquanbuyongxiangmanzuanshideyanshijiancheng。yushi，nuodelingenchengweishijieshangduyiwuerde"zuanshicheng"。

       yishangjiushiguanyuzuanshidexingchengyuanyindejieshao，tongguolejiewomenzhidaozuanshixingchengzhuyaoyouliangzhongqingkuang：yishidiqiushenchugaowengaoyaxingcheng，ershiyunshizhuangjixingcheng。zheiliangzhongxingchengyinsudoubiaominglezuanshidelaizhibuyi。