- Page 1: GEOLOGY, METAMORPHISM AND TECTONIC
- Page 6: Field investigations indicate that
- Page 9 and 10: mineralogy of K-feldspar (46 modal
- Page 12 and 13: granulite terrains. Enrichment of a
- Page 14: Amphiboles of both the calc granuli
- Page 19 and 20: through syn to post-thickening magm
- Page 21 and 22: CHAPTER I INTRODUCTION Palghat Gap
- Page 23 and 24: Fig.2(a) A view of a part of the Pa
- Page 25: Narayanaswamy,1954), paucity of myl
- Page 28: of movement. Aeromagnetic data of R
- Page 34: Bounded by the Western Ghats, the K
- Page 39 and 40: Fig.5 Coarsening of sillimanite in
- Page 43: and a proven vertical extent of mor
- Page 47 and 48: F1g.12 Hornblende - biotite gneiss
- Page 49 and 50: of 0.75 m, along NE-SW trending fra
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direction of fracture planes. Withi
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Fig.21 Rootless isoclinal folds (F
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Fig.23 Isoclinal folds axial plane.
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Pig . 27 Concordant pegmatite belon
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The tectonic framework of the area
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inclusions of plagioclase as wel I
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the reaction:- G.rossularite + Sill
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TABLE:- 1 MICROPROBE ANALYSES OF SI
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Fig.43 .Fig.40
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Fi g.44 Fig.45 Fig.46 Fig . 47
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where biotite is almost completely
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.Fig. 48 Fig.49 Fig.SO Fig . Sl
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Fig.52 Fig.53 Fig.54 Fig.55 B6
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Fig. 56 Fig. 57 Fig. 58 Fig. 59 Cal
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Magnetite is present ubiquitously a
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Fig.60 Fig.61 Fig.62 Fig.63 • O.S
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Fig. 64 Fig. 65 Fig. 66 Fig. 67 Bri
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Biotite gneiss is typically a coars
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Fig.6B Fig.69 Fig.lO Fig.71 l e::..
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Fig. 72 Fig. 73 Fig. 74 Fig. 75 Sie
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Opaques constitute 0 to 6 modal per
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(X= yel lowish green, Y= brownish g
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11 1.7 PEGMAT I TE Pegmatites are u
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Fig.BO Fig.Bl Fig .B2 UI
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Average values of CaO/MgO ratios fo
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proportion in the first two varieti
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TABLE. 6 COMPOS I T ION OF KHONDAL
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wt % of type I I varieties. Oxidati
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.£.=1-5-2-3 fm c -=1-0-1-5 fm - -
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assemb I ages (Goldsmith & Newton,
- Page 157 and 158:
TABLE.9 ( c ) NIGGLI PARAMETERS ---
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Fig.93 a). In the AlkFM diagram on
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elements, CaO, t FeO , TiOZ and MgO
- Page 171 and 172:
Rb depleted and Sr enriched nature
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TABLE 11.a MAJOR ELEMENT ANALYSES O
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their genesis. Amphibolites interla
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granites, compared to hornblende-pr
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low « 3.Z wt %), with slightly hig
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Enrichment of almandine towards rim
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!Table.1S). On the basis of their i
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2C7 tempera'ture of the former. Com
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cordierite-bearing rocks fall close
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TABLE.l9 HICROPROBE ANALYSES OF CLI
- Page 227 and 228:
The static involving changes fluid
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to minerals with the largest grain
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227 b. Garnet-Cordierite:- Holdaway
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thermometric calculations is:- = [-
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235 formulae of Raheim & Green (197
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238 100-300 C C compared to other s
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specified P-T conditions. However,
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al ka I i feldspar upon cool ing. r
- Page 254 and 255:
pressure-dependent equilibria: CaAI
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Cpx and ()(CaMgSi 0 2 = 2 6 pyroxen
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253 Bhattacharya & Sen (1985) provi
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TABLE.21 contd ... 4000 GAR CORE-BT
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265 TABLE.21 (b) GARNET-CORDIERITE
- Page 278 and 279:
TABLE.24 b CROSSINGS OF GPAQ P-T LI
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TABLE.25 (contd •.• ) Temperatu
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283 which yield data on the process
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Fig.124 H 2 0-rich inclusions Ca )
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292 carbonic inclusion densities se
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low density C02 rich fluids in rift
- Page 313 and 314:
J08 sequences, the success in datin
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deformation stage, would represent
- Page 323:
318 ear lies t recognisable planar
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323 to effect the quasi-isochemical
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The rapid extension of continental
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flanks (2) development of fissile m
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330 extracted with Hydrochloric aci
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Estimation of CaO and MgO 332 Twen"
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spectrometer while measuring the co
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13. Balasundaram, M. S . ( 1953) .
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340 34. Boyd, F.R. and England, J.L
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77. Fonarev,V.I. and Konilov, A.N.
- Page 353 and 354:
119. Heier, K.S. (1962) amphibolite
- Page 355 and 356:
141. Hutcheon, I., Froese. E, Gordo
- Page 357 and 358:
162. Krauskopf, K.S. (1979) Introdu
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185. MacDonald, G.A. (1968) Composi
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218. Newton, R.C., Charlu, T.V. and
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261. Raith. H.. Raase. P .. Ackerma
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313. Srikantappa. C.and Prakash Nar
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335. Urey, H.C. (1947). the thermod
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357. Wood, B. J . ( 1976) . The par