84 0. 0. BAK.iyH;i;T>. 



9Ton nopoAbi nop*Hpo6jiacTbi SioTHia MfecTaiwH chjibho no KOJinqecTsy ySbiBawn. mh Hcqeaaiort 

 coBciM'b: Bii HHx^ 6ioTHTi He npeBbiiuaexi BejiaqHHOB ociajibHbia cjaraeMbiH h flBJAexcH dojite 



HJiH MBHte pacnpocTpaeeeebiMt MHHepajiOMi npoMeaiyTOiHOH Maccbi (J\'s ^ ch nojiyocipoBa 

 HsKJiHHaTop'b, JVs Y65 ^'^ Mbica npomania, JVs ^ H3t iojkboh 6yxTbi TaHMbipcKOH ry6bi, M-. ~ 

 cb cfeBepnaro Sepera aajiHBa KHanoBaqa, JVs ^ ct. iiojyocTpoBa CjaHiiOBaro) ; bi arnxi nopo- 

 AaxTj B^ qncjio cjiaraeMbixTi Bciynaexi auKepumz bt. aepeaxi h nupumr, bi xoporao oSpaso- 

 BaHHbix^ Ky6axi (ct> aHKepBTOMi: JlTs jafles' ^^ aHKepniOMX r impHTOMi: JN"" ^gj Bajym, h31 

 wHtBOH 6yxTbi Bi TaHMbipcKoii ry6t, JVs g^^ ci ctBepuaro 6epera aajiHBa KHnnoBnqa) h Tanifl 



nopoAbi CTOHTi ya;e 6jib3ko kt> nMpmoBbiM^ (j)Mii;iiiTaMT>; k^ xoMy ate 3xn nopoAw qacxo jnineHbi 

 6ioxHxa coBepmeHHO (HanpHM'fep-b, ab^ nocj-feAHnxt iiopoAbi). 



4xo6bi no6jiHJKe nosHaKOMnxbca Cb xHMHqecKHMx cocxaBOMi axon rpyniibi iiopoATt, nojib- 

 aywmeHCH oicbhaho fiojibniHwi pacnpocxpaHceieMi bt> ofijiacxn TaoMbipcKaro no6epe«bfl, 6bWh 



314 



HcnojiHeHi BajiOBOH aHajiHST. nopoAbi (JVs ^) cb ciBepHofi OKOHeqaocTH ocxpoBa KojiaKa; 



peayjbxaxbi aeajinsa h nepeqHCJieHifi CBeaeHbi bi xa6jiHut XII. 



MHHepajiorHiecKiH cocTaBt h cxpyKxypa nopoAbi eAsa jh ocxaBJiajiH coMHiHia o npoHcxo- 

 jKAeuiw h3Tj xHnnqHbiXTi ocaAKOBi; incjia xHMnqecKaro anajHsa BnojiHt noAXBepwAawTij 3Xoxi 

 BbiBOATj. XnMHiecKiH cocxaBi SioxHXOBaro *HJiJinxa doixh coBiiaAaex^ ct xaKOBbisii rpanaxo- 

 Baro cjiiOAaHoro cjanaa, onncaHnaro aa npeAWAymnxi cxpaHHuaxi., h cKasaeHoe no oxHomeaiK) 

 nocjitAHflro BDOJiHt MoasHo npHJioHCHXb H Kx 3T0H DopoAt. Do cpaBeeeiio cb rpaeaxoBbiMi 

 cjHOAaabiMTj cjiaHaeMT> coAopacaHie rjiHHoaeMa, aaKHcn acejitaa, MaraesiH n H3BecxH n0Bii3HJ0Cb; 

 cxohttj jih Cb 3XHMT. Bi CBBSH HCiesHOBeHie H3T> cocxaBa MHHepajOB'b rpanaxa, hjo oxcyxcxBie 

 ero CBfl3aH0 cb HHbiMH no cpaBeeniK) cb rpaHaxoBbiMX cjiwAaHbiMi cjiaHiteMT> ycjoBiaMu 

 o6pa30BaHia, ne noAJieatHxi) cxporoMy yqexy; b^ nepBOM-b cjiyqat ynoMBHyxbia Bbirae npe- 



AtjibHbifl OTHoraeeia -^Aq- cysHJHCb 6bi ao 12.5 h 6.2 (cp. cxp. 79). OSHJibHbia bi <i>BJiJiHT'fe 



KOJiaqecxBa xjiopaxa, KoxopwH bx rpanaxoBOMi chwashomi cjianrtt aBJiaeica oxiacxn (Bt ne- 

 snaqaxejibHOMi) KOJiBqecxB-fe) npoAyKxoMX HaMineHia rpaaaxa, CKopM roBopaxi bi nojb3y 

 BxopoH BoawoaiHOcxB. — Ho MHKpocKonBqecKOwy odaopy oojiyqBJiocb Bneqaxjiiaie, qxo kojib- 

 qecxBa CaO-coAepatamHXT> MnaepajiOBT. (xaxanaxi, anainxi,, MBnepajibi rpynnbi 3nHA0xa), 

 BT) *HiJiBX'fe 6ojibme, itiux b^ cjhoashomi cjiaaafe, a JieacAy xfeMi npon,eHXHoe coAepacaHie CaO 

 B-b uewb HHate; BoanHKaexi. Bonpoci., ne coAepacBxi) jib rpanaxi eeSojibmoe KOJiBqecxBO 

 CaO? — YMeHbmeHie KOJiBqecxBa KgO cxobxi bi CBaaB ct> aaRiixHbiMx y^biBaHieia^ koar- 

 qecxsa SioxBxa, a KOJiaqecxBa cepauBxa ne BbipaBHHBaioxx 3xoro. Boo6in,e, *bjjrxx> neMHoro 

 6oraqe a.Jib6HX0Mi, q-femi rpanaxoBbiB cjiroAanofi cjianeui. Kcxaxn, anaqBxejbHoe npeoSja- 

 Aanie NagO E&.xb KgO bi 3xomi cAyqat CKopte cxobxi bi csaan ci neoAHOKpaxHO oxiatqen- 



