-
4
-
-
0024221730
-
-
J. F. Sutter, U.S. Geol. Surv. Bull. 1776, 194 (1988); A. Sebai, G. Fèraud, H. Bertrand, Earth Planet. Sci. Lett. 104, 455 (1991); L. Fiechtner, H. Friedrichsen, K. Hammerschmidt, Geol. Rundsch. 81, 45 (1992); K. Deckart, G. Fèraud, H. Bertrand, Earth Planet. Sci. Lett. 150, 205 (1997); A. K. Baksi and D. A. Archibald, ibid. 151, 139 (1997).
-
(1988)
U.S. Geol. Surv. Bull.
, vol.1776
, pp. 194
-
-
Sutter, J.F.1
-
5
-
-
0026048966
-
-
J. F. Sutter, U.S. Geol. Surv. Bull. 1776, 194 (1988); A. Sebai, G. Fèraud, H. Bertrand, Earth Planet. Sci. Lett. 104, 455 (1991); L. Fiechtner, H. Friedrichsen, K. Hammerschmidt, Geol. Rundsch. 81, 45 (1992); K. Deckart, G. Fèraud, H. Bertrand, Earth Planet. Sci. Lett. 150, 205 (1997); A. K. Baksi and D. A. Archibald, ibid. 151, 139 (1997).
-
(1991)
Earth Planet. Sci. Lett.
, vol.104
, pp. 455
-
-
Sebai, A.1
Fèraud, G.2
Bertrand, H.3
-
6
-
-
0026489245
-
-
J. F. Sutter, U.S. Geol. Surv. Bull. 1776, 194 (1988); A. Sebai, G. Fèraud, H. Bertrand, Earth Planet. Sci. Lett. 104, 455 (1991); L. Fiechtner, H. Friedrichsen, K. Hammerschmidt, Geol. Rundsch. 81, 45 (1992); K. Deckart, G. Fèraud, H. Bertrand, Earth Planet. Sci. Lett. 150, 205 (1997); A. K. Baksi and D. A. Archibald, ibid. 151, 139 (1997).
-
(1992)
Geol. Rundsch.
, vol.81
, pp. 45
-
-
Fiechtner, L.1
Friedrichsen, H.2
Hammerschmidt, K.3
-
7
-
-
0031420030
-
-
J. F. Sutter, U.S. Geol. Surv. Bull. 1776, 194 (1988); A. Sebai, G. Fèraud, H. Bertrand, Earth Planet. Sci. Lett. 104, 455 (1991); L. Fiechtner, H. Friedrichsen, K. Hammerschmidt, Geol. Rundsch. 81, 45 (1992); K. Deckart, G. Fèraud, H. Bertrand, Earth Planet. Sci. Lett. 150, 205 (1997); A. K. Baksi and D. A. Archibald, ibid. 151, 139 (1997).
-
(1997)
Earth Planet. Sci. Lett.
, vol.150
, pp. 205
-
-
Deckart, K.1
Fèraud, G.2
Bertrand, H.3
-
8
-
-
0031417827
-
-
J. F. Sutter, U.S. Geol. Surv. Bull. 1776, 194 (1988); A. Sebai, G. Fèraud, H. Bertrand, Earth Planet. Sci. Lett. 104, 455 (1991); L. Fiechtner, H. Friedrichsen, K. Hammerschmidt, Geol. Rundsch. 81, 45 (1992); K. Deckart, G. Fèraud, H. Bertrand, Earth Planet. Sci. Lett. 150, 205 (1997); A. K. Baksi and D. A. Archibald, ibid. 151, 139 (1997).
-
(1997)
Earth Planet. Sci. Lett.
, vol.151
, pp. 139
-
-
Baksi, A.K.1
Archibald, D.A.2
-
9
-
-
84879888961
-
-
G. R. Dunning and J. P. Hodych, Geology 18, 795 (1990); J. P. Hodych and G. R. Dunning, ibid. 20, 51 (1992).
-
(1990)
Geology
, vol.18
, pp. 795
-
-
Dunning, G.R.1
Hodych, J.P.2
-
10
-
-
84879881818
-
-
G. R. Dunning and J. P. Hodych, Geology 18, 795 (1990); J. P. Hodych and G. R. Dunning, ibid. 20, 51 (1992).
-
(1992)
Geology
, vol.20
, pp. 51
-
-
Hodych, J.P.1
Dunning, G.R.2
-
11
-
-
0022007620
-
-
C. Alibert, Earth Planet Sci. Lett. 73, 81 (1985); C. Dupuy et al., ibid. 87, 100 (1988); W. J. Pegram, ibid. 97, 316 (1990); J. G. McHone, Geology 24, 319 (1996).
-
(1985)
Earth Planet Sci. Lett.
, vol.73
, pp. 81
-
-
Alibert, C.1
-
12
-
-
0023723223
-
-
C. Alibert, Earth Planet Sci. Lett. 73, 81 (1985); C. Dupuy et al., ibid. 87, 100 (1988); W. J. Pegram, ibid. 97, 316 (1990); J. G. McHone, Geology 24, 319 (1996).
-
(1988)
Earth Planet Sci. Lett.
, vol.87
, pp. 100
-
-
Dupuy, C.1
-
13
-
-
0025255732
-
-
C. Alibert, Earth Planet Sci. Lett. 73, 81 (1985); C. Dupuy et al., ibid. 87, 100 (1988); W. J. Pegram, ibid. 97, 316 (1990); J. G. McHone, Geology 24, 319 (1996).
-
(1990)
Earth Planet Sci. Lett.
, vol.97
, pp. 316
-
-
Pegram, W.J.1
-
14
-
-
0029750142
-
-
C. Alibert, Earth Planet Sci. Lett. 73, 81 (1985); C. Dupuy et al., ibid. 87, 100 (1988); W. J. Pegram, ibid. 97, 316 (1990); J. G. McHone, Geology 24, 319 (1996).
-
(1996)
Geology
, vol.24
, pp. 319
-
-
McHone, J.G.1
-
21
-
-
0024231572
-
-
J. D. Macdougall, Ed. (Kluwer Academic, Dordrecht, Netherlands)
-
K. G. Cox, in Continental Flood Basalts, J. D. Macdougall, Ed. (Kluwer Academic, Dordrecht, Netherlands, 1988), pp. 239-272.
-
(1988)
Continental Flood Basalts
, pp. 239-272
-
-
Cox, K.G.1
-
23
-
-
0024903908
-
-
M. A. Richards, R. A. Duncan, V. E. Courtillot, Science 246, 103 (1989); I. H. Campbell and R. W. Griffiths, Earth Planet. Sci. Lett. 99, 79 (1990).
-
(1989)
Science
, vol.246
, pp. 103
-
-
Richards, M.A.1
Duncan, R.A.2
Courtillot, V.E.3
-
24
-
-
0025660782
-
-
M. A. Richards, R. A. Duncan, V. E. Courtillot, Science 246, 103 (1989); I. H. Campbell and R. W. Griffiths, Earth Planet. Sci. Lett. 99, 79 (1990).
-
(1990)
Earth Planet. Sci. Lett.
, vol.99
, pp. 79
-
-
Campbell, I.H.1
Griffiths, R.W.2
-
26
-
-
0345394581
-
-
Boulder, CO
-
M. Ernesto, I. G. Pacca, R. Siqueira, paper presented at the International Union of Geodesy and Geophysics Meeting, Boulder, CO, 1995.
-
(1995)
International Union of Geodesy and Geophysics Meeting
-
-
Ernesto, M.1
Pacca, I.G.2
Siqueira, R.3
-
29
-
-
84879885441
-
-
W. K. Witte, D. V. Kent, P. E. Olsen, Geol. Soc. Am. Bull. 103, 1648 (1991); D. V. Kent, P. E. Olsen, W. K. Witte, J. Geophys. Res. 100, 14965 (1995).
-
(1991)
Geol. Soc. Am. Bull.
, vol.103
, pp. 1648
-
-
Witte, W.K.1
Kent, D.V.2
Olsen, P.E.3
-
30
-
-
0029501746
-
-
W. K. Witte, D. V. Kent, P. E. Olsen, Geol. Soc. Am. Bull. 103, 1648 (1991); D. V. Kent, P. E. Olsen, W. K. Witte, J. Geophys. Res. 100, 14965 (1995).
-
(1995)
J. Geophys. Res.
, vol.100
, pp. 14965
-
-
Kent, D.V.1
Olsen, P.E.2
Witte, W.K.3
-
36
-
-
0022926149
-
-
D. M. Raup and J. J. Sepkoski, Science 231, 833 (1986); P. E. Olsen, N. H. Schubin, M. H. Anders, ibid. 237, 1025 (1987).
-
(1986)
Science
, vol.231
, pp. 833
-
-
Raup, D.M.1
Sepkoski, J.J.2
-
37
-
-
0023524524
-
-
D. M. Raup and J. J. Sepkoski, Science 231, 833 (1986); P. E. Olsen, N. H. Schubin, M. H. Anders, ibid. 237, 1025 (1987).
-
(1987)
Science
, vol.237
, pp. 1025
-
-
Olsen, P.E.1
Schubin, N.H.2
Anders, M.H.3
-
40
-
-
0002944766
-
-
W. R. Peltier, Ed. (Gordon and Breach Science, New York)
-
S. Hart and A. Zindler, in Mantle Convection. Plate Tectonics and Global Dynamics, W. R. Peltier, Ed. (Gordon and Breach Science, New York, 1989), pp. 261-388.
-
(1989)
Mantle Convection. Plate Tectonics and Global Dynamics
, pp. 261-388
-
-
Hart, S.1
Zindler, A.2
-
41
-
-
0000439871
-
-
E. Irving and G. A. Irving, Geophys. Surv. 5, 141 (1982); J. Besse and V. E. Courtillot, J. Geophys. Res. 96, 4029 (1991).
-
(1982)
Geophys. Surv.
, vol.5
, pp. 141
-
-
Irving, E.1
Irving, G.A.2
-
44
-
-
0345394577
-
-
note
-
This research was funded by Italian (Ministero dell'Università e della Ricerca Scientifica e Tecnologica and Consiglio Nazionale delle Ricerche), Brazilian (Programa da Apoio ao Desenvolvimento Cientifico e Tecnólogico/Financiadora de Estudos e Projectos and Conselho Nacional de Desenvolvimento Cientifico e Tecnológico), and U.S. (NSF grant EAR-9496326) agencies and the Ann and Gordon Getty Foundation, We thank M. Iacumin, P. Antonini, M. Hirschmann, and W. Sharp for discussions; Companhia de Pesquisa de Recursos Minerais for logistical support in sampling the Roraima dikes; C. Montes-Lauar (Anari and Tapirapuã) and A. Novello (Ceará) for providing samples; and T. Becker for argon laboratory assistance. Special thanks are due to geologist Sandoval Pinheiro for his help during fieldwork.
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