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Petrography of the Productive Coal Seams of the Bokaro Coalfield, Bihar

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Petrography of the Productive Coal Seams of the Bokaro Coalfield, Bihar PETROGRAPHY OF THE PRODUCTIVE COAL SEAMS OF THE BOKARO COALFIELD, BIHAR. PART I (TEXT) By SATYENDRA M. CASSHYAP, M Sc. THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY IN GEOLOGY AT THE -ALIGARH MUSLIM UNIVERSITY 1961 T366 \- '^Q><^ 29 JAM t9S3 ;p-20©a QOmFMB msMcmQnm ... ... t m0fm I. maum <F rm w^tm QO&WIMJO 6 th® P^»tos%tv« Goal 3®affl9 ... 11 IdSt i9kar® CoalfiaM .«« IS t2-fQat A S®a® ... ... 13 K^a^gelt Bmm «.» .•• 13 derin^ Beam .** .*• t4 K&PQ Se^a ... ... *5 Satsf^^Mi Sdsa ... ... 15 ««0fe Sefero OoalfisM ... 1^ So. X god Ma. XI 3®aa3 ... t? Ikitt Se«is ... ... 1? miiPtsa n, THE K/ao m^^ass ... if ClMPim III. fHS SLglTIG »1fK&3 ... 25 WeWogtB$>W • • • 2§ Olastic %te@8 from Sargali OoHi^^, ^ar?y ia. 2. 'M tim Hesters I3yk« ... ... ^ fb© MI4<H# ayk© ... ... 50 ffc« Sasfe^a I^fes ... ... 3t GIg©tie %k0 fr®m iCergaii Colliery, Quarry Ifo, t. 32 Sis9t4c %te9 tram fekaro Collies^, ^arry M@. ?# 33 GTiglja of th@ l^kes ... ... 33 fHAFfES If. msaiC^L OHA^AOf^ISfl^ tF C-atf^ J7 East Bokmfd OoaMieM ... ... 4t fh® &eTg&li Ssaffl ... ... 4t Qh-salcal Malysla ... ... 42 Oalspifle faltte ... ... f^ SoldL^ (^arast.@rs ... ... 4? Pstrt^raphits Analysis ... 53 The Saro Meesajfes ... ... 55 ChotBlegl v^sl^sis ... ... 56 Calapifie faltt® ... ... $8 Sokiijg Gherasters ... ... 5S PctrogPspMo Msl^Bis ... 59 SrirrfeMlit^ tests ... ... 62 flw S^al Seams of the ^Sakolt Area ••• 65 file iS-foot &M the Jtrsngdib S«aas ..« 66 f S© Bei^o Seaai 67 f tea Si^ Sem 63 68 Cal^if io ?alu® 70 Coking Oharset^ra 70 CiU) The S©. X a«| H&» XI Seat® ... 7f omnm. ^. MIC^^SO'^IC STOOT ^ ai^i. ... 72 Pe&rogr^*^ ... ... BIZ fitrinlte ..* ... SZ 4. Wcs>E(f tl^iis CsEiliily ^mv»sip@v^mm) pt^BBtv^ as vitriid.te ... BZ ^99d^ tissues f ii]b&di iflth 9^<p@ ^@imtl@p sBi te-o^ffi frag^sntdL astter ... 84 Bo^g^i straetore ... ^ Wfit^sctonlcs ia ijo^jT tiasaa S? 8. lark tiaa^js pr^a^rsred 00 "edtriaite S9 5. Soeanisiy fe^af'fc tissue preserved as vltriaite SG Risiaite ... ... 91 ^rsAxm ... ••> 9t ISssr^ ^BA^®r ... ... f4 caftPT® fi. ^u^^mf^w GOM. ... 99 3Q}0rljQS^tai Pz^ac^ilas^ ... ... 1O1 Sesal^s a»d Biscu^ion .*• ... t% lasffilM tsriai*^ Test fosc C&'ottpii^ ... i^ Petmli^ieai il«a^ais and Saaeitlc Vailatiiotn HI mpumsi^M (^ putm ... ... 129 Bimjmmii^m ... ... 133 (iv) LIST <F masmiTioss FIG« 1. Geological map of %^ Bokaro coalfield. ... Inserted in Part II. FIG. 2. Geological sketch map shotfing qaarriable coals in East Bokaro coalfield, Haaari- bagh District, Bihar. ... ... " " PIG. 3* Geological sketch map shoeing qaarriable coals in West Bokaro coalfield, Hazari- bagh District, Bihar. ... ... " « Facing Page Part I FIG. 4. Distribution of coal seajm in the Karo measures near Makoli. ... ... 2l FIB. 5. Section of the Kargali seam in the Swang and Bokaz>o collieries. ... ... 43 FK. 6. Section of the Kargali seam in the Bokaro colliery. ... ... 43 FIG. 7. Ash and B.S. Strolling No. relationship In the Kargali coals. ... ... 53 Fm. a. Volatile send B.S. Swelling Ho. relation­ ship in the Kargali coals. ... ... 53 FIG. 9. Relationship of coking characters and calorific value ^th vitrinite percentage. 55 FIG. 10. Relationship of coking characters and calorific value ^th durain percentage. ... 55 FIG. It. Section of the Top and Bottom Karo a&am.... 57 FIG. t2. Section of the Eastern Karo seam. ... 57 FIG. 13. Variation in the nature of coke buttons with ash and volatile percentage in coals of the Karo measures. ... 59 FIG. 14. Gray-king coke-types from the Bottom Karo and Eastern Karo seams. ... 63 Cv) FIO. 15. ^ialiure aod HBI relationship in the Saro ^asure aoals* ... ... 64 Fia, J6« Volat-ll© aM JSJI relatioaah% 4a tb© Snro ^msttre e9s2^. ... ... 46 WM* t7. S«eti0tt of th© ^Jtt Beam* ... 69 PXSS. 1^21. Seflectooea (Ra) varlatiss ia @^a& Gaa3s 9£ thB largeli, Sara jaad Sttja seaffii, ... |07 Fia« ^. Fr0<|aeiK^ distrilMtiai of coipjBeafes (MR) of th© M$i, Sargsli and KrjTO aef^s. ... tt2 PiL4fS t. PlsM j^atagr^te sh^iidng laj oatorap oi %M Bsttsia Sar« coal a&m aoi the loasr portion J&ffieftM te Pes* II. of a clastio %^. FLAfi 2-4, WLerQ|>hot<^^hs 9f olestie ^sutea. e It PLftfl 5. Photographs of eoal gaiaplQS. « o PL^fS 6-ti. Mcrostiwefear© of rfos^ arid Bwr^. «t tt P14fS 12,13. fusSalt© RM Daraii^. tt n « n l^ottj^ VBJ^Gos ammess of pmme &P@ availdbile in %MB er& $f ia:lastzlalisa%l«3i« eoal cosifeiBa^ to s^Ja^Sn its strate^ pc^ltloa* It s^ill rejBsins tlis basl!^<md of ^P. iBi^«fe^!k itufeistries @r^ the c&^f pen- elaSam to the €^(xa<a^ of tli© em^Ktx^« ^m os^Mest n^ixri^ €?l4^ieo of the 4isemme!^ of coal in JJadU^ dates b«^k to 1?74 C^se© F<sc, f93t« p« 2) ^ea ^i ^tsnfiit ^0 aado for tte ^qpiolt^lon of oosl in ttm ooissti;^. 1^ eoal Ixad^^tiy t^dU^b vtsa^dbiei pe^oti^ally defo^it in t^ y^asns ttee^ ft^lo^ed emm iz^o pr^^^eneo ^^ ist f8i»7 ^€» ^ol0^£^ i3mf0st%atl9ii of ttm v^lums eoaOf-beoring fcmssa^i^R^ »a9 midsrt£^o^ for ttm fix^ tiras. m ^^lo^oi^ li^pk progif^^ed* ooalfi^Uts ^fere dis^o7i»^ «Ki after aaotlier iii U® differsxsft p^i^a of Ii^ia @M the indti^j:^ faoe^9» iai^i« sadl itmie proal^»^, fodl^y after the 2^&& of s»re than a eentox^ i»id dlth %im dideovoi? of tt4 ooaifi@3d9 (K«S. Ikttta* private e<%tBiisiic^ioii)« coaL indi^trsr Sa Ii^is stasis irast3y ehsa^d. It £^s now tal£en & Si^esa. fo9t-l^l€ !^ the ee^^si^ of the eo^atrf« ^»s pp^tootiim \M&h. K»a3 of the order of 2g|,9% to^ dbi^tt tim ye^r i860, (Sls^^m & ^iX, 1922, p. 49) hB3 now iseressM to 46«07 MIXisRi tons (ZadiaD Bsr&m of MlneSt Mineral FT^oetioa la Xadiai, t953» 9* 6f }* ^ths^^ t^ iTegetative <»%Ja of coal «^ t^X isiam to the IaSia& ^rkfETSy no atteij^ appessm to hs^e hmn ii@de to stu^^ its ps^^log^r* F<M (l9a6» F- 9l3j l9^, p» 547) ^te© p?<JtoaMy the fif^ to exaa^e the <iiticd (2) a^iaua eoaS^ l^a the ^h^ia sni GirfdUi eoalflale^. A preMMtteiy @ier(»sc^ls sta^ of eertaia Jbdisa fasains w^ o^e W ^^^toi^e® Ct9^)« the pstvoy*^ &t forilisii c@aLs till a fresh stiiaals^ w^ given to this fej^ash of sci^0 ^ Rpofess^ P.S, Oi^ijiiy sii® Gaeri^td OTA f<MP the flra*r tljas det^l^ j^tsn^^ii^^cil iA7@stigatij»3s of these coala betfieea 1%6 aM f9^ (O^jitv 1955)* Int t^ 7@ars that foXl<^^ Br. Oas^ju coitimi^ Ms s^dios (Osp^, t955a, t9§5b, l956, I^Si^ l%0) ^th t&e powjlt that nEeh valaable trafof^s^tion is now a^aildbl® i^^z^tlag tlie nsl^oi:^ @id (»ig|jB of Lndligffi coals* ^^m^ ot!i^r cm^eiSsKLtiimB sKmtion i%^ be ii^® of tliose b^r Cha£t»ir& Ct953» 1954), P^^k Cl956, 1953, l95Sa), Marshall (l959) smk nmise^m &m Datta 0959)* Stwli@s on spores £vom %hs, IiOn^gE* CksniK^im eoal^ have b^n eas'rlxid owt im the r@8ffl^ years IJ^ 3m (t944, 1953), firidd. (t945)f Ghash «^ SOT U9iS) aM aaria^© gt ^. Cl953). "Sim 39le^ro coalf i^ki w^ sheeted for t^ pres^St stacfsr <%^i3|; to tfoe focrt that Sn^it® of its beis@ i^arlesd «p <sm of tJss Ijaportis:^ coalfisMs of Ir^ia* little i^fgk ima mo isst hmn d^a^s (m tim g&Skko^ ^M petrols^ oS ik,B v&pismn ooal Bessm, fim &n^ km^ta pablioe^icms eoi^^niif^ tbs geol^r of this eoalfioM are tlios© ^ Iqgfess (t^7)a Fciftaar Cl9(8» fSeS)* P«sc <l934)» (^o (f945)» J^Qb Ik^» (l958) aM CbeslgraP (t96Qa). B» petragrapfc^ ^ e&m Bska]^ eoal^ h^ been d^oribe^ }^ Or* GmSti (f955)« &e3i3^ of tl^ otoideai stit^F of VXBS® c&&iM hs^e be@i piMisted ^ Fezma? (t935)» @ee (l94f)« (3) Forrest^ rniA Hs^isdar (l%f), Qmiu (lf§5)» %2®hall (l95f)» G^sigrep Cl9&0) 'S^ £^& inp»rtsait em^ emsm of tbe ^st i^^ird CdgyUi^^ ^e tits ia-foot« ^as^^l^» Kazgally Bsrras ^Kt Sa.n> se^as. Of th@so <Si2;p^ tli@ S^?gsM eM Bs^pms seass faav@ s^tra^^ed sosa attvesfeicm so far. ^i& ^E^ aesm ^^-^ is d»cmt 1^ ft. tfoi^ appeal^ to h^e @^ia|@dl ti^ sttsntl^ya of g@9l^3gtsto ^Mh Urn T&simk% thi<^ no cteta is srailsMa dbcmt tMs m^^ Of tte tteped isfK3S*tj^3& seaiis of tl^ H@st S^az^ eoalfieH, the &^ seaffl is tim fi»st iispoartsnty b£it RS p^ttUsIt^ iRforg3ti€ii is gv^H^^SLe regarding t^e petm^i^ of 3i3Qr <!^ ^»se S3€dss« Is th© c®!*r®e &i ppsscsit iiitr©@t%ation, tteop^o^}, ^©eiai ^tKiti4»i properties of t^@s@ ^^s^ iav@ toen ^KaniiiiM In ^sigil. ^aSL sm is^tmspt bm h^im s^le to oerz^ate th@^ resmlt® %d^ tb<^e «f yis sdes^^soqpie stoilios* 314 s^a$i^ c^ eoal «(^sre cs^Jaetod froa 4^ tlae ^}arKal3a.e a&asss of tbe E^st aud Meat B^^a^o eoaifi@M« fl^si^ ^»& Is g®^ <!^ ra9st2jr ^ qi£^rrle®9 o:^IX64:^i@n of pillsr @S!B^1&^ ^m E^ f«ind {>9ssll>3a dtae to tt^s ^ustessive thietesess of %^ ee^ aM t^ smstfiislad faeOitiss ^o^alldb^e.
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