64 



0. 0. BAKjyn^T.. 



AHajiB30BT> nopoAT> — npeACTaBHTejieii yiiOMflHyTbixiD ARyxt rpynni hg 6i.ijio iipon3Be- 

 AGHO, OTqacTH BT> BHAj He6ojibmoro KOJiHqecTBa HM-feiomarocfl na jh[;o Maiepiajia. Ho ccih 

 nbixaTfcCfl npocji'tAHTt nponcxoacAeHie 9thxt> nopoAi, hg ocTaHaBJiHBaact Gjirkg na ycjiOBiaxi. 

 nxi o6pa30BaHifl, to xhmhbmi BcxoAHaro Marcpiajia pncycTca bi cji-lAywmeMi BRAi: npeofijia- 

 Aanic cpeAH fiesi^BiTHbixi MnecpajioB^ KBapn,a Atierii npaso atAaxb bt> nopoA'fe Ooj-fec Bbiconaro 



COACpffiairifl KpGMHGKHCJIOTbl, nO CpaBHCHiK) Ch KOpAiepHTOBblMX rHGHCOMi; napaJIJIGJIbHO Ch BTHMT. 



UAGTi. yGbiBaaic KOJinqeciBa AI3O3 h MgO npa OTHOcnicjibHo BbicoKOM^ coAGpwaein FeO, qxo 

 corjiacyeTCfl ex OTcyTCTBiGMi bt. nopoAt KopAicpHra, h He6oj!braoH HaSbiTOKi) MgO bxoahti 

 BT. 6ioTHTi, coo6iii,afl eiay ojibbkobbih OTiiHOKT.. 3aT0 OTHomeniG ii],gjiohgh Jinmb BCBHaqn- 

 TGJibHO HSMtHnjiocb BT, nojib3y KgO Bii rpaeaTOBOMT) rHefict no cpaBHGHiio ct> KopAiepHTOBbiMij 

 rHGHCOMi>, mo BCG HCG AODycKaeTTj oSpaaoBanie rpaHara (cp. cip. 58), a laKJKG BbipaacacTca 

 btj noflBjiGHin KajiieBaro nojiCBoro mnara. /I,ajibeiHraGG aScojitoTHoe noBbiuiGeiG KaKT> SiOj, 

 TaKTj H (oTHOCHTGJibHOG) KgO, CT> noHHffieniGMi AlgOg (h FeO) BGAerb kt> nojiHOMy hcigsbo- 

 bghIk) rpaeaxa bt, dioxHiOBOMT, rnGHcfc, npn qcMT, oxaocHXGJbHbifl KOJH'iGCXBa CaO h NagO 

 BCG ate AaioxT, BOSMOHtHOCxb o6pa30Baxbca njarioKjasy cocxaBa ocaoBHoro ojinroKjiasa h KHCJiaro 



aHAesHHa. OxHomeHie 



FeO -f- MgO 

 CaO 



BT> AByxT, rpynnaxT, ocxaGxca iioixh nocxoBHHbiMT,, wGstAy 



x'Rmi KaKT, oxHouiGHiG MgO : FeO HSMtHaexcfl b^ nojbsy FeO b^ rpaeaxoBOMT, ruGHcfe. 



HcxoABbiB jwaxepiajT,, cyAfl no 3thmt, couocxaBJiGHiflMi, no cocxaBy npnSjinatajicfl kt, 060- 



raUl,CHHblMT, KpGMHGKHCJIOTOH MGprGJlBCXblMT, TJIBHaMTj, KOHeqHO HO CpaBHeuiK) CT, HCXOAHblMT, 



MaxepiajiOMT, KopAiepnxoBaro rneHca^). Bee ace paannua no xHMH3My, onaxb-xaKii cpaBHH- 

 xGJibHO, cxojb nesnaiHxeJibHaa , qxo Bct xpn nopoAbi cboSoaho yKJiaAbiBawxca B^ paniKH OAnon 

 H xoH He ceABMGHxanioHHOH CBHXbi. IIo KJ[accB*HKau,iB Goldsclimidt'a^), pacuiBpcnnoB Cbb- 

 xajibCKBMT,^), nopoAbi ^XBX^ AsyxT, rpynnT, anajiorBqnbi oaccaMT, BxopoAiy (rpanaxoBbiB 

 rneScT,) b xpexbewy (6ioxBXOBbiB thghc^), coxpanaa npa 3xomt, B^ o^mcMi raSBxycT, cpcAae- 

 3GpHBCxaro reGBca bjib KpncxajuBqecKaro cjianqa, b oxjiBqaacb oxt, «xBnBqHbixT,» KonxaKxo- 

 BbiXT, nopoAT, no H'feKoxopbiMT, ocoSenHOCxaMi cxpyKxypbi b leKCxypbi. 



EcjiH npBBJieqb kx cpaBneHiio h KopAiepHxoBLiB rnencT,, ocxaBjaa bt, cxopoui ero «Henop- 

 MajbHbifl)) MBeepajibHbia cjiaraeMbia, xo neBOJibeo o6paniaexT> na ce6a BHBMaaiG xo oScxoaxejib- 

 cxBO, qxo Bct xpB nopoAbi KaKT, 6b\ npcACxaBjawxT, nenpepbiBBbiB paAT,, JiOHcacb napaJlJleJbHblM^ 

 paAOMT, KT, «HopMajibHbiMT,» KOHxaKXMexaMop<i>HqecKHMT, nopoAaMT, KJiacca 2, 3 (a 4). 



CpGAB o6pa3^oBT> npeAcxaBJiGHbi nopoAbi, ocBtmawmia, noBBABMORiy, paaBBxie paAa Mexa- 

 Mop^nqecKOB rpynnbi nopoAT,, napajuiejibnaro «HopMajibHOMy», KOHxaKXMexaiuop^nqecKOMy paAy. 



1) Ho conocTaBaeniio Linck'a (Uber den Chemismus 

 der tonigen Sedimente. Geol. Rundsch. 4. 1913, CTp. 289 — 

 311) HopiiajitHtie rjinHHCTue caaHn,Hi h r.iHHti (ci. npe- 

 o6jiaAaHieM'b KgO Ha,HT> NgO) HM-tioT'B coAepwaHie 

 Si02>600/o. 



2) Goldschmidt, 1. c. 



3) H. CBHTajitcKifi, 1. c, crp. 156. 06pamaio bhh- 



jiaide Ha to, mto vjkc Goldsclimidt (1. c, cxp. 1G7) 

 HaMi'iaeTT. pflAi> MarneaiajibHO - >i>e.ii'fc3iicTij8 KOHxaKT- 

 MeTaMop*H'iecKnxi. nopoAt, ho ne imia siaxepiaJia no 

 3T0My pa;t,y, ne pasBiiBaeTt TCopexuMecKaro oSocHOsaHiH 

 ero; ocTasTCfl 3a CBUxaJitcKiiMt odcxaBuxb cbok) nsam,- 

 Hyw cxcMv npHMtpaiin Hax nojeBofi npaKXHKii. 



