南非为何盛产钻石?

　　shuoqizuanshi，henduorenshouxianxiangqidedoushinanfeizuanshi，bilishizuanshidengzheiyileixiangguandecihui，qishi，quanqiushangzuanshidechandibuzaishaoshu，weihedudunanfeiyizhiduxiuwenmingxiaerni?nanfeiweiherucishengchanzuanshi?

　　zuanshi，huaxuechengfenweitanyuansu，genshimoyouhuweitongsuyixingti，danerzhezhijianqueyouzhejiongranbutongdemingyunjingyu。youyutaxishaohanjian，jiazhigaoguide“4c”pingjiabiaozhun，shizhiyanranchengweibaoshizhongdeyizhiqipa。renmenchulegandongyuqishehuadewaixinghemirende“huocai”wai，genghaoqiyubeihouxianweirenzhidegushi。

金刚石与石墨

　　dangmanbuzaizhubaojiedejietou，pumianerlaideguanggao“daibiersi”、“jinboli”，zheixiedoushizuanshidemingdian。chuleshijiezuidadedailishangwai，zeshiyongchandilaizuozhaopai。jinbolijiushinanfeiyichanzuanshiwenmingdejinbolixiaozhen。

　　youxieshenghuochangshideren，kendinghuishuozhongguodeshandongbushiyou“sidamingzuan”ma!meicuo，danshinenggoujiaoxiangquanshijiede，kongpahaiderangweijinanfei。beiyuwei“caihongzhiguo”denanfei，neilibujinshitanxunrenleiqiyuandefengshuibaodi，yeshiyunyushijiegaoguimingzuandewotu，tabingfeiconglaijiugenpinqiongluohouxiangban。

全球钻石分布图

　　nanfeidezuanshiyoulaiyijiu，muqianzuanshiliutongxingyepinzhishangchengpinjihu85%yishangdoushilaizinanfei。jiulianzaoqifaxianzuanshidegushiyeshiyinanfeiweishifadi。zuanshidegushikeyizhuisudao1870nian，dangshiyigemingweiadelian•fan•weikedenongfuzaibeikaipushengjinbolifujinyongyouyijianongchang，dangtafaxianzijidehaizizhengzaiwannongjikezuanshishi，yiqiejingcaidehouxubiancongcikaishile。

　　nanfeiweishenmeyouruciduodezuanshini?yuanlai，dizhilishishang，zainanfeifashengguoduocihuoshanhuodong，qiangliedegaowenjiangdiqiaoneichengfenweitandewuzhihuijihoujiejingweijingangshi，neixiepinzhishangchengdejingangshijiudadaozhizuoshipinbiaozhun，yushinanfeijiuzhujianchengweigaodangzuanshidejisandi。

　　neime，rucizhenguidebaobeishizenyangdaodadimiandeni?yuanlai，zuanshishitongguohuoshanpenfabeisongzhidibiao，bingqiezainanfeidaduoshuhuoshanpenfadetongdaodoushizaiyizhongbeichengweijinboliyandeleisi“yanhou”deyanguanzhong，zheizhongyanguanzaidineixiangyigeguanziyiyangcongdiqiaotongdaodimianshang。youyuzheixieyanguanshiyougulaodehuoshanyundongerxingcheng，suoyicaijuezhemenzhiyoujinkenengdixiangxiawacainengwadaozuanshi，zhangciyiwang，zhizhishanqiubianchengleyigedong。

金伯利钻石洞

　　rujin，zheigebeijiandandichengzuo“dadong”dejingdianyichengweishijiemingsheng。jinbolidadongzhandi17gongqing，fangyuan1.6gongli。yueyou2200duowanduntubeicongzheiliwazou，chuchanle14504566kelazuanshi(yuedengyu2722gongjin)。zhidao1914nian，zheilideshitoucaibeiwanquanwaguang。dangshi，zheiyilutiankuangyiyou215mishen，caikuangsuidaogengshenda1100mi。

　　dizhixuejiamenhaizainanfeifaxianleqitayixiehanyouzuanshidejinboliyankuangguan，erqiejintianzaijinbolizhoubianhenanfeideqitadiquhaiyouxuduodadong。nanfeiyichengweidangjinshijieshangmingfuqishidezuanshishengchandaguo。