1. @bullet, @. , and 1. , 1 .11 '1 ? , l' 1 Il. l, III '1 '. " 1.1 '1 ? l,' , III,'. r , 11111.1·.IIII,I.,'I,IIIo'.U"IIIII·I·rrl·oIl,I,I·I.'''I.I' Il'1, I.U·''1,r''IlI.III"' 111111111111, ... 1 ... ·.1'11??? '1" 1111\"1'1

I. R. 11,-"-i-'ii·ii·i-'i-'.-ii-'1lllol-',-iii-', II'Il'llll .. I.I,1.rUoI.tlll'IIo',.t'II"I'\lll'·I,lr. 1'1.11,11111,11,1,''111.'11.1,11 'l, 1.111 1"1"1011'111' Il'',111'' 10'1' 1. 1IIIIl .. ,I·'III, I·III ?? '1l1l 1l1111.1o""I'I.llr 11111111'11.1.11'111, Il,II .. U 11l',·I.,.I,'rl.III"\.1111

. Ii, ·. Lll-'·-'·ii-',, and I. , I',t1I1,'Io.,'I"I.II,I.III'.Il'1'111''1.,111'' 11111, 2011.

·. , I. 1i,-'"-rllll·ii, . Iiii·ii·i, I. Ii-'i, and . Ii, 111111,'1.11 ?? ',1111110'.11''''111.'1'1

. .. Il.-'''.,-'ii-'., te· III 1'11'1011"'1'1' '''''''',111'''111111''''11'''' 1I1101.U'' II·.IH.I' I .1o,II.lllIl'lltlllllr'llllllllt.I,IIII1II'·,·""llllln.IlI ??I'I,111l1111111'1 ... Itll'rll, ?? Il''.1111' l, .. ·11.·.· '1','11 .1 '1·11'1I.1·II .. rll.'

. Piiiiiii, . I·, and . Ioii, 11011'111'11111'111111111.111111'1'''1\111.IIII1I1I"'I·I'rllltlllllltll~ :i :!l : ~ ~ i:: : . il : ~.~::: ~ } ! ;i !1 i: :: ! ~ ii; Ir ~ i~ il I:;~ :~ : : ~ :i: :::: 1 1', 111\'.1'1 I~ ~ : ~ r!1~1!:! .1 .. ~ ! ~ ~ ~ 1~ !: ~ :! ~ :1~ ~!~ ~ ~

. .. ·1-'''., 111·1'111 11.1111'111'1.,111.11.'. ? .1111111?? 1 III Il'''1 '11111 .. 11'1'1, 1""1101'111 '10 .... ·.·11'1·111 lot '1,'.1 '1Io111'11,'I'I'ltllllIlIlllIl'l,111 lllll .. l'''.lli 1. 'l' 1·1.'II .. II·.·IIIM'IIIIIIII.,.I"Io",'I.II.IIIIII·IlI.Io'I, 11.1111,1I1,11I"'''·III1 .. 'lltllr ?? I·I,IUIiIIIII'tII0l'·IIIIIII\', ?? 1 11I1·,·III"r.I.I·r 1'11'."11'1.'11'.'\''111''111''111'11'11

!. Il, !. ~~, and ~. ~. , !::: ! !! ~ Il ~ 1 ~ ~ ~ t '! I!~ ~ ::: I! I! ~ ~:~ 1~ 1IoIlN"'1I .. 'III11Il"'I"IIII"'I'IIIo·III.llo1.r .. III ... ·'1IIl .. loIl.'I''' .... I .. ll'loll.·III·'IIlllllr,·III .. ' .. I·''I·IIIII.I·. llrltlll", 111.11''1 ""'1'·II'III···lrll.·'III·rllll.IlIII"'IlUr.,II'Io·IIoI' .1'111111111' Illrllllll·I, '1',·III·I'r ?? 1I11 ?? '11. Il ""II' ri HllIlIl '1 1 ... ? Il '.·IIIM 1',"11'10 , III ? ~ '''1'1'' "11'1'11 Il '1, 1111.

!. ~. Ii··rm, ·. 1i-', I. Iii·iimiii, and \. I. Ioiil\lll·iii-'i-'ii·u, 11'?? \.','1'1'11 111111'11 l'M'Iltl'II''III1o1'1.1.1 1IIIIII,I'IlII'II. Il,11 'oll'.'I',lIlllrlll.",·,I.III"lIl""I,II. Il'','011,'. ? .. ''','"'11'1 ..... 11'1111'.111 .. 111'.' lIlI,I'III.' 1·IIII101l1,'''I·III''I'IIIl,IIIII·.lt 1111' ,1 ~ 1,1'1. f .1' 1 ? 1 1Io,I"'1rl'" 1'111111''1''"111'1'',11111 "lll'·I, lrlll?? '1\''lIllll1r.I'I.1 .... 1'.1·,11, '1I1'·III1'.I·· 1t .. '1IIo1IIMlrl,'oI' .... II' 'II. '. Il ? ''Il. lII M ~ Il. r 1.1111 Il M'Il , .. Il l, l' 1 l' '1 'II Il Il \, 1111.

I. @. 1@bullet@bullet-\1111ilrlr, U·IIIr'l· l' 1I1·111I.1'11I"IoI·I·II·.I ...I.I.IIII .. lI·1'11111'1.1','1111,'1'1,1'1.,'.101111'1

. Il, 1: ; .;: 1: ~ 1 ~ : .!: 1 ? ~ 1 ! ~ ~ :1

1. , I. @bullet, and . ·ii\i, 11111111 'INtl.I,I.II'I.Ioll,l·r1111',".' 1"1.111111 III ?? 101'.'1011,1.' 1'1111'1111II·lr 1'1. 111"11 '11, Il'1\ ,"11111.1" ,·"Il'I'I·I·,"I'·I·rl·II·II,·.II\·II.,lllllll·,N.I.IIIIIII·'1,1 ''1I11I.rlll·'r,II??II.I·I·, 1111.

L. Supergroupe-uatuma-est-une-séquence-volcanique, représentée par des andésites et surtout par des rhyolites, qui occupe une surface considérable de la partie nord de l'Amazonie et s'étend vers les Guyanes. Les andésites sont d'affinité calco-alcaline et les rhyolites sub-alcalines; elles présentent des âges Rb-Sr entre Ces roches sont recoupées par des granites alcalins anorogéniques d'âge ca 1700 Ma (Rb-Sr et K-Ar), cependant l'origine de ce magmatisme volcanique n'est pas encore bien définie, 1800.

A. , W. Bolier, M. Michard, A. Et, A. et al., A major 2.1 Ga event of mafic magmatism in West Africa: an early stage of crustal accretion, Journal of Geophysical Research, vol.95, pp.17605-17629, 1990.

A. , F. Brouxel, and M. , The Sm/Nd secular evolution of the continental crust and the depleted mantle, Earth and Planetary Science Letters, vol.82, pp.27-35, 1987.

A. , F. F. Hasui, Y. Brito-neves, B. B. Et, F. et al., Provfncias estruturais brasileiras, VII Simp. Geologia do Nordeste, pp.366-391, 1977.

A. , F. F. Hasui, Y. Brito-neves, B. B. Et, F. et al., Brazilian structural provinces: an introduction, Earth Science Review, vol.17, pp.1-29, 1981.

A. , J. L. Bender, and E. , Nature and origin of Proterozoic A-type granitic magmatism in the southwestern United States of America, Lithos, vol.23, pp.19-52, 1989.

A. , J. L. Et, C. , and R. L. , Geochemistry and evolution of the Wolf River batholith, a late Precambrian rapakivi massif in North Wisconsin, pp.287-324, 1978.

B. , T. H. Et, H. , and R. I. , On the internai geometry of mylonite zones, Journal of Geology, vol.92, pp.667-686, 1984.

B. , T. H. Et, R. , and M. J. , Sequential porphyroblast growth and crenulation cleavage development during progressif deformation, Tectonophysics, vol.92, pp.171-194, 1983.

B. , V. Et, D. , and D. J. , Proterozoic crustal history of the western United States as determined by Nd isotopie mapping, Geological Society of America Bulletin, vol.99, pp.674-685, 1987.

R. G. Berman, Internally-Consistent Thermodynamic Data for Minerals in the System Na2O-K2O-CaO-MgO-FeO-Fe2O3-Al2O3-SiO2-TiO2-H2O-CO2, Journal of Petrology, vol.29, issue.2, pp.445-522, 1988.
DOI : 10.1093/petrology/29.2.445

B. , D. Chokroune, P. Et, J. , and P. , Orthogneiss, mylonites and non-coaxial deformation of granites: the example of the South-Armorican shear zone, Journal of Structural Geology, vol.1, pp.31-42, 1979.

M. E. Bickford, W. R. Van-schmus, and Z. Et, Proterozoic history of the midcontinent region of North America, Geology, vol.14, issue.6, pp.492-496, 1986.
DOI : 10.1130/0091-7613(1986)14<492:PHOTMR>2.0.CO;2

B. , A. P. Et, M. , and J. E. , Sequências vulcano-sedimentares de Or6s e Jaguaribe -Folha SB.24-Z-A-I -Regiao sudeste do estado do Ceara, XXXIII Congr. Brasileiro de Geologia, pp.2512-2526, 1984.

B. B. Brito-neves, 0 mapa geol6gico do Nordeste oriental do Brasil, escala 1/1000000, p.177, 1983.

B. B. Brito-neves, K. Kawashita, U. G. Cordani, D. Et, and J. , A evoluçao geocronologica da Cordilheira do Espinhaço: dados novos e integraçao. Re v is ta, Brasileira de Geociências, vol.9, issue.1, pp.71-85, 1979.

E. H. Brown, Sorne zoned garnets from the greenschist facies, American Mineralogist, vol.54, pp.1662-1677, 1969.

C. , R. Et, A. , and U. , Age à 1800 Ma du magmatisme subalcalin associé aux métasédiments monocycliques dans la chaîne Pan-Africaine du Nord du continent Africain, Precambrian Research, vol.36, pp.335-344, 1983.

C. , J. D. Holloway, J. R. Et, W. , and A. J. , Origin of an A-type granite: experimental constraints, American Minera/ogist, vol.71, pp.317-324, 1986.

C. , W. J. Beams, S. D. White, A. J. Et, C. et al., Nature and origin of A-Type granites with particular reference to southeastern Australia, Contributions ta Mineralogy and Petrology, vol.80, pp.189-200, 1982.

C. , P. J. Et, R. , and S. J. , Cordilleran Benioff zones, Nature, vol.270, pp.403-406, 1977.

C. , U. G. Brito-neves, and B. B. , The geologic evolution of South America during the Archean and Early Proterozoic, Revista Brasileira de Geociências, vol.12, issue.13, pp.78-88, 1982.

C. , M. Vauchez, A. Archanjo, C. Et, J. De-sa et al., Strain transfer at continental scale from a transcurrent shear zone to a transpressional fold be1t: the Patos-Serido system, Brazil. Geology, vol.19, issue.6, pp.545-572, 1991.

R. Dall-'agnol, J. S. Bittencourt, X. F. Jorge-joao, H. Medeiros, H. T. Cost-! et al., Granitogenesis in Northern Brazilian region -a review, Revista Brasileira de Geociências, vol.17, issue.4, pp.382-403, 1987.

D. , A. Culshaw, N. G. Et, N. , and L. , A tectono-metamorphic framework for part of the Grenville Province, Parry Sound region, Current Research, Part A, Geological Survey of Canada, pp.82175-190, 1982.

D. , F. Et, L. Fort, and P. , A chemical-mineralogical classification of common plutonic rocks and associations, Transactions Royal Society of Edinburgh: Earth Sciences, vol.73, pp.135-149, 1983.

D. , D. J. Et, W. , and G. , Nd isotopie variations and petrogenetic models, Geophysical Research Letters, vol.3, issue.1, pp.249-252, 1976.

D. , D. Et, S. , and A. W. , Non-random sedimentary fabrics and their modification by strain, Tectonophysics, vol.12, pp.307-325, 1971.

E. , N. H. Hamilton, P. J. Et-o-'nions, and R. K. , Rare earth abundances in chondritic meteorites, Geochemistry Cosmochemical Acta, vol.42, pp.1199-1212, 1978.

F. , J. M. Et, S. , and F. S. , Experimental calibration of the partitioning of Fe and Mg between biotite and garnet, Contributions to Mineralogy and Petrology, vol.66, pp.113-117, 1978.

G. , P. B. Et, M. , and G. A. , Syn-extensional intermediate to silicic voleanism in the eastern Basin and Range province, p.515, 1984.

G. , P. B. Mahood, G. A. Et, S. , and E. , Syn-extensional magmatism in the Basin and Range province: a case study from the eastern Great Basin, 1989.

G. , E. D. Robbins, D. B. Et, S. , and M. Z. , Geothermometry, geobarometry, and fluid compositions of metamorphosed cale-silicates and pelites, Mica Creek, British Columbia, American Mineralogist, vol.64, pp.874-885, 1979.

G. , E. D. Stout, and M. Z. , Geobarometry et geothermometry of plagioclase-biotitegarnet-muscovite assemblages, Contributions to Mineralogy and Petrology, vol.76, pp.92-97, 1981.

G. , A. K. Et, B. , and C. N. , The Guiana shiel reviewed, Episodes, vol.2, pp.7-14, 1983.

G. , K. Et, M. , and G. , Fully automated dissolution and separation methods for inductively coupled plasma atomic emission spectrometry rock analysis, Journal Analytical Atomic Spectrometry, vol.2, pp.615-621, 1987.

H. , N. B. Duyverman, H. J. Et, A. , and D. C. , The trace element and isotope geochemistry of the Sabaloka igneous complex, pp.245-256, 1983.

A. W. Hoffmann, K. P. Jochum, M. Seufert, W. Et, and W. M. , Nb and Pb in oceanic basalts: new constraints on mantle evolution, Earth and Planetary Science Letters, vol.79, issue.1-2, pp.33-45, 1986.
DOI : 10.1016/0012-821X(86)90038-5

H. Wa-y and M. J. , Stability of andalusite and aluminum silicate phase dia"gram, American Journal of Sciences, vol.271, pp.97-131, 1971.

H. , F. Et, L. , and J. , Typologie des granitoides Hercyniens du Nord-Portugal: Exemples des complexes de granites à deux micas du domaine de Montalegre, Geologia de los granitoides y rocas associadas des Macizo Hesperico, Editorial Rueda, Madri, pp.271-279, 1987.

J. , D. Sa, E. F. Et, S. , and J. M. Brazil, Proterozoic granitoids in a polycyclic setting: a field excursion in the Serid6 region, In: Int. Symp. Granites Assoc. Mineralizations (ISGAM), pp.33-45, 1987.

J. De-sa, E. F. Macedo, M. H. Legrand, J. M. Mcreath, A. C. Galindo et al., Proterozoic granitoids in a polycyclic setting: the Serid6 region, NE Brazil. In: Int. Symp. Granites Assoc. Mineralizations (ISGAM) Extended Abstr, pp.103-110, 1987.

J. , D. Sa, E. F. Macedo, M. H. Torres, H. H. Et-kawashlta et al., Geochronology of metaplutonics and the evolution of the supracrustal belts in the Borborema Province, VII Congr. Latino-Americano de Geologia, pp.49-62, 1988.

K. , H. R. Et, M. , and P. , Experimental investigations of the metamorphism of siliceous dolomites, Contributions to Mineralogy and Petrology, vol.73, pp.151-159, 1980.

K. , K. Mantovanni, M. Thomaz-filho, A. Torquato, J. R. Berenholc et al., Método radiométrico rubfdio-estrôncio, Procedimento das analises no Centro de Pesquisas Geocronol6gicas da USP. Univ. de Sao Paulo, 1974.

L. Roche and H. De, Sur l'existence de plusieurs facies geochimiques dans les schistes paleozoiques des pyrenees luchonnaises, Geologische Rundschau, vol.121, issue.n??? 4, pp.274-301, 1965.
DOI : 10.1007/BF01765767

L. Roche and H. De, Geochemical characters of the metamorphic domains: survival and testimony of their premetamorphic history, Sciences de la Terre, vol.19, issue.2, pp.101-117, 1974.

L. , F. Champenois, M. Et, C. , and A. , Un analyseur videographique interactif: description et application, pp.676-687, 1988.

L. , M. C. Et, W. , and D. R. , Characteristics and origin of anorogenic granites, p.468, 1979.

L. , G. W. Et, M. , and K. , Lunar initial 143Nd/ 144 Nd: differential evolution of the lunar crust and mantle, Earth Planetary Science Letters, vol.39, pp.3349-3357, 1978.

M. , M. H. Jardim-de-sa, E. F. Et, S. , and J. M. , Dataçôes Rb-Sr em ortognaisses e a idade do Grupo Serid6, XI Simp. Geologia do Nordeste, pp.253-262, 1984.

M. , M. H. Sa, J. M. Et, K. , and K. , A idade da Faixa Or6s: dados preliminares, Revista B rasileira de Geociências, vol.18, issue.3, pp.1-24, 1988.

M. , N. Schrank, A. Abreu, F. R. Knauer, L. G. Et et al., Resultados preliminares da geochronologia U/Pb na Serra do Espinhaço Meridional, Simp6sio Geologia de Minas Gerais, pp.171-174, 1989.

M. , M. S. Marques, L. S. Sousa, M. A. Civetti, L. Atalla et al., Trace element and strontium isotope constraints on the ongm and evolution of Parana continental flood basalts of Santa Catarina state (southern Brazil), Journal of Petrology, vol.26, pp.187-209, 1985.

N. F. Botelho, A provfncia de granitos estanfferos de Goias, Revista Brasileira de Geociências, vol.16, pp.119-131, 1986.

M. , O. J. Fuck, R. A. Dardenne, M. A. Et, D. et al., Provfncia Tocantins: setores central e sudeste, Précambriano do Brasil, pp.205-264, 1984.

M. , H. Souza, Z. S. Fonseca, V. P. Et, J. De-sa et al., Geochemistry of high-grade metaplutonics: the Caic6 Complex, NE Brazil, XXXVI Congr. Brasileiro de Geologia, p.171, 1990.

M. , M. T. Jaques, L. Nelson, D. R. Et, L. et al., Nd and Sr isotopes in kimberlites and lamproites from Western Australia: an enriched mantle origin, Nature, vol.302, pp.400-403, 1983.

M. , D. P. Bickle, and M. J. , The volume and composItion of melt generated by extension of the lithosphere, Journal of Petrology, vol.29, pp.625-679, 1988.

M. Ashiro and A. , Metamorphism and metamorphic belts, p.492, 1973.

M. , B. Prost, A. Et, E. , and J. O. , Etude chimique d'une série détritique: les sparagmites de Norvege du Sud, région du Lac Mj0sa. 2 ème Réunion Annuelle de Sciences de la Terre, p.291, 1974.

M. , R. E. Et, B. , and J. H. , BasaIt geochemistry and tectonic settings: a new approach to relate tectonic and magmatic processes, Lithos, vol.23, pp.53-62, 1989.

P. , J. A. Et, C. , and J. R. , Tectonic setting of basic volcanic rocks determined using trace element analyses, Earth Planetary Science Letters, vol.19, pp.290-300, 1973.

P. , I. A. Harris, N. B. Et, A. , and G. T. , Trace element discrimination diagrams for the tectonic interpretation of granitic rocks, Journal of Petrology, vol.25, pp.956-983, 1984.

P. , M. M. Heaman, L. Fuck, and R. A. , U-Pb zircon geochronology of Precambrian tin-bearing continental-type acid magmatism in central BraziI, Precambrian Research, vol.52, issue.1, pp.321-335, 1991.

P. , D. Et, T. , and J. E. , Rotational fabrics in metamorphic mineraI, Mineralogical Magazine, vol.37, pp.801-814, 1970.

R. , J. G. Et, H. , and M. I. , The technics of modern structural geology: strain analyses, p.307, 1983.

R. , J. Et, R. , and M. J. , Temperature-time relationships across metamorphic zones: evidences from porphyroblast-matrix relationships in progressively deformed metapelites, Tectonophysics, vol.158, pp.141-161, 1989.

R. Neto and J. M. , Evoluçao geotectônica da bacia do Alto Tocantins, Goias. MSc thèse, 1983.

R. , A. E. Et, I. , and T. , Nature of the 650 km sei smic discontinuity: implications for mantle dynamics and differentiation, Nature, vol.331, pp.131-136, 1988.

S. , J. M. Bezerra, F. H. Macedo, M. H. Et, P. et al., Middle Proterozoic supracrustals and Brasiliano orogeny in the southeast Ceara state: a monocyclic evolution, VII Congr. Latino-Americano de Geologia, pp.35-48, 1988.

S. , M. Et, P. , and R. , Deep crustal metamorphism during continental extension: modern and ancient examples, Earth and Planetary Science Letters, vol.79, pp.151-158, 1986.

S. , E. J. Brito-neves, and B. B. , Provincia Borborema, Geologia do Brasil. Ed. Blucher, Brésil, pp.123-186, 1984.

S. , J. Et, P. , and M. , Les bassins du Rio do Peixe (NE Brésil): extension intracontinentale crétacée et réactivation des grands cisaillements ductiles panafricains, Compte-Rendu Académie des Sciences de, pp.1613-1619, 1989.

S. , A. M. Et, B. , and K. , Relative timing of rifting and volcanism on earth and its tectonic implications, Geophysical Research Letters, vol.5, pp.419-421, 1978.

S. , T. Et, I. , and Y. , A simple algebraic method for strain estimation from deformed ellipsoidal objects. 1: Basic theory, Tectonophysics, vol.36, pp.315-337, 1976.

S. , W. S. Dickinson, W. R. Et, S. , and M. L. , Tectonic implications of spacetime patterns of Cenozoic magmatism in the western United States, Earth and Planetary Science Letters, vol.32, pp.91-106, 1976.

S. , F. S. Et, C. , and J. T. , A petrogenetic grid for pelitie schists in the system Si02-AI203-FeO-MgO-K20-H20, Contributions to Mineralogy and Petrology, vol.101, pp.149-164, 1989.

S. , R. H. Et, J. , and E. , Subcomission on geochronology: convention on the use of decay constants in geo-and cosmochronology, Earth Planetary Science Letters, vol.36, pp.359-362, 1977.

S. , S. S. Et-mcdonough, and W. F. , Chemical and isotopic systematics of oceanic basalts: implication for mantle composition and processes, Magmatism in the ocean basins, pp.313-345, 1989.

T. , J. B. Et, N. , and S. A. , Paleozoic regional metamorphism in the New England and adjacent areas, Studies of Appalachian geology, pp.319-327, 1968.

T. , J. Et, Y. , and R. A. , Dynamic recristallization of feldspars: a mechanism for ductile shear zone formation, Geology, vol.13, pp.238-241, 1985.

T. , L. Maruejol, P. Et, C. , and M. , U-Pb, Rb-Sr and Sm-Nd chronology of granitic basement, hydrothermal albitites and uranium mineralization (Lagoa Real, South-Bahia, Brazil) Contributions to Minera/ogy and Petrology, pp.139-147, 1988.

V. , R. Messiga, B. Oddone, M. Piccardo, G. B. Et et al., Geochemical characteristics of Proterozoic post-orogenic magmatism in the Nagssugtoqidian Mobile Belt of southeast Greenland, Lithos, vol.23, pp.85-100, 1989.

W. R. Van-schmus and M. E. Bickford, Chapter 11 Proterozoic Chronology and Evolution of the Midcontinent Region, North America, Precambrian plate tectonic, pp.261-296, 1981.
DOI : 10.1016/S0166-2635(08)70016-1

W. , J. B. Kenneth, L. C. Et, C. , and B. W. , A-Type granites: geochemical characteristics, discrimination and petrogenesis, Contributions to Mineralogy and Petrology, vol.95, pp.407-419, 1987.

A. J. White, C. Et, and B. W. , Ultrametamorphism and granitoid genesis, Tectonophysics, vol.43, issue.1-2, pp.7-22, 1977.
DOI : 10.1016/0040-1951(77)90003-8

A. J. White, C. Et, and B. W. , Granitoid types and their distribution in the Lachlan Fold Belt, southeastern Australia, pp.21-34, 1983.
DOI : 10.1130/MEM159-p21

W. , W. M. Hofmann, and A. W. , Sr and Nd isotope geochemistry of oceanic basalts and mantle evolution, Nature, vol.296, pp.821-825, 1982.

Z. , J. L. Vernet, M. Guyetand, G. Et, D. et al., Données sur potassium et argon (de 1976 à 1984) dans quelques échantillons géochimiques de référence, Geostandards Newsletters, vol.9, issue.2, pp.205-208, 1985.