KPHCTAJIjIHIECKM nOPO^H Ch CSBEPHArO nOEEPEffita CHBHPH. 



117 



OTHomeHia MgO : CaO He iwoacerB npaMO iiOBJiiaTb Ha o6pa30BaHie rpaaaxa, xaKt KaKi hsbgcth 

 no pasHWMi coo6paa;eHiflMT> (cip. 57) Bt rpaaaxt He coAepatHTCfl. IIpHxoAHTCfl ocTaHOBnxbCfl 

 Ha opeAHOJioaceHiH, qxo ycjoBia oSpasoBaHia xofi h Apyrofi nopoAti 6buvi pasjiaqHbi, na ixo 

 yKasbiBajiocb noApoSHO npn paaSop'fe ycjiOBifi oSpasoBania KopAiepnxoBaro rflefica; b^ axoM-b 

 cjiyqa-fe Kaacexcfl Aaate HSJiHmHHMX) ajia noAXBepffiAemfl 3xoro npeAnojioaceHia nojibsoBaxbCfl 

 HajinqieMT) «pej!HKXOBOH» nmnepajibHOH rpynnbi. 



06paiii,aeT^ na ceSa BHHMaHie BbicoKoe coAepataHie b^ poroBHKt ZrOg -+- TiOg , oco6eHHO 

 ecjiH noA'iepKHyxb, qxo B-b nopoA'fe ne oSHapyaceHO hh n,npKOHa, hh pyAHbixT> ManepajiOBi. Bt 

 fiioxHxax-b (h KopAiepnxaxTi), KaKX, ynoMHHajocb Bbime, laKHe He HaSjiioAajocb njieoxponqHbixx. 

 BfenaoBX), cxojib oSnjibHbis bt> Sioxnxaxi h KopAiepaxaxij KopAiepHxoBaro rHefica. BosHnnaex'b 

 Boupoci, CKpbiBaexca jn Zr02(-+- TiOj) bi KopAiepnxt hjih bi SioxHxi, xo ecxb, bxcaaxt, jih 9xh 

 OKHCJibi BTi cocxaBi OAHoro HST. 3X0X1 MHHepajioBi? Ho HajinqHbiMX aHajiH3aMx> mohcho yStAHXbca, 

 qxo TiOa BecbMa oSbiquaa cocxaBnaa qacxb Sioxaxa, ho ecxb ii anajiHSbi SioxHXOBXi, HMeHHO hs^ 

 KOHiaKxoBbixx, nopoA'b, ctj coAepataHieMT. ZrOg, A0X0Aain,HMT> ao 0.98%'^); bi ciyqai paacMa- 

 xpnBaeMofi nopoAbi 6ioxHxi coAepmnxi okojio 0.4% ZrOg n ^-Sy,, TiOg. Btj niKoxopoa cxencHH 

 xaKoe coAepatanie onpasAbiBaexca onxaqecKHMH CBoficxBaMH dioxoxa: ero OKpacKa ao xoro 

 Sj-feAHa, qxo npHXOAHxca AJMaxb, qxo nnxeHCHBHaa OKpacKa, oSbiKHOBeHHo CBOHCXBeHnaa chjih- 

 KaxaMT. CT) saM-fexHOH npHMtcbH) xHxaHa (xHxaHt-aBrHXbi, xnxaHOBbia poroBbia oSmaHKH), kom- 

 nencnpyexca npHM-fecbio anpK0Ha'^). Hsx. qncejii anajinaa, KOMfiHUHpoBannbixi ct> MnHepaioraqe- 

 CKHMX. COCXaBOMT>, BHAHO, qXO SioXHIl. AOJIHeHT) HM^b HHOH XHMBqecKin cocxaBi, qtwb apKO- 

 KopnqHeBbiH Sioxaxx. KopAiepaxoBaro xHeaca: ohx> AOiateHX 6bixb 6oraqe FCgOg -t- FeO, qxo 

 OHflXb-xaKH cooacyeica ctj BbicoKHMT> coAepaianieM'b bt> hcmX) ZrOg-t-TiOg. Kx) coatajifeiio 

 BT> poroBHKt He 6biJio onpeA'feJieHO coAepacaHie hh F hh CI, xaKx. qxo nejibsa ocxaaaBJiHBaxbca 

 Ha Bonpoct, Bx, KaKoa ^opiwi Sbijih opHHeceabi H3BHt (?) i;hpkoht> a xaxant bx, MejiKo-sepnacTyH) 

 ocaAoqayio nopoAy. 



2. njiarioK;ia30-aHTott)M;i;iMTOBbiM poroBWKi. 06pa3i;bi 9xob nopoAbi npeACxaBJieHbi aat Kopen- 

 Horo MtcxopoaueHia na AByxx. MejKHXX> ocxpoBaxT>, bx> 6yxxt KnanoBaqa, HanpoxHBT> Mbica 

 /],eno, Ha KoxopoMXi BbicxynaexX) rpaaHxaxxj. IIopoAy, cjifeAOBaxejibHO, MoacHO cqaxaxb npoAyK- 

 xoMX> KOHxaKxoBaro HBM'feHeHia co cxopoHbi rpaHHXHxa. 



CopoAa no ii,Btxy xeMHOcfepaa, ex. 6ypoBaxbiMX> oxjihbom^, BecbMa KOJie6jiK)ui,aroca, ho 

 MGJiKaro sepna; cySoapajiJiejibHbiMn wrojioqKaMH naMfeqaexcH CBoero poAa cjoacxocxb; cjiaHu,e- 

 Baxocxb, Bx> y3K0M CMbicjife, oxcyxcxByexx>, noBHAHMOMy, 3axo, cyAfl no o6pa3n;aMx, pasBHxa 

 HecoBepmeHHaa napajujejonHncAaJbHaa oxA'fejibHOCxb, bt. cBasa ex, opienxapoBKoa arojib- 

 qaxaro Manepajia. noAX> JiynoH bt> arojibqaxoMx, MHHepaji'fe iwoatHO ysnaxb SypoaaxbiH am^n- 

 Sojix,. IloBepxHoexb BLiBtxpHBania nopoAbi 6ypo-ctpaa. 



IIoaxj MHKpocKonoMTb o6pamaioxx> na ce6fl BHaiuaHie A-iHHHbia, SxfeAHbm nrjibi am^nSojia, 

 pacnojioateHHaro noejoaao h cy6napajiJiejibH0, neptAKO xaKate ex. bha'6 pacxoAamnxca jyqea. 



1) H. 0. Lang(Nyt Mag. f. Naturv. 30. 1886, 318), no 

 anajiHsy P. Jannasch ne AaeTi) yKaaaHifi, coacp>kht'Ij jih 



flioTHTi. BKJiiO'ieHia hjih njieoxpoKHHua naTHa. 



2) Cp. Haap. MUHepajihi THTaHt-nHpKOBOBon rpynnti. 



