Geology and petrology of the Salto do Céu Suite: tectonic and stratigraphic implications on the SW Amazonian Craton

Lima, Gabrielle Aparecida de; Macambira, Moacir José Buenano; Sousa, Maria Zélia Aguiar de; Ruiz, Amarildo Salina; Batata, Maria Elisa Fróes; Pierosan, Ronaldo

doi:10.1590/2317-4889201820160088

Gabrielle Aparecida de Lima

Postgraduate Program in Geology and Geochemistry, Geosciences Institute, Universidade Federal do Pará - Belém (PA), Brazil. E-mail: gabilimagel@gmail.com

Engineering Institute, Universidade Federal de Mato Grosso - Cuiabá (MT), Brazil.

http://orcid.org/0000-0003-4907-8063

Moacir José Buenano Macambira

Laboratory of Isotope Geology, Geosciences Institute, Universidade Federal do Pará - Belém (PA), Brazil. E-mail: moamac@ufpa.br

Maria Zélia Aguiar de Sousa

Geosciences Faculty, Universidade Federal de Mato Grosso - Cuiabá (MT), Brazil. E-mails: prof.mzaguiar@gmail.com, asruiz@gmail.com, ronaldo.pierosan@gmail.com

Amarildo Salina Ruiz

Geosciences Faculty, Universidade Federal de Mato Grosso - Cuiabá (MT), Brazil. E-mails: prof.mzaguiar@gmail.com, asruiz@gmail.com, ronaldo.pierosan@gmail.com

Maria Elisa Fróes Batata

Postgraduate Program in Geosciences (Mineralogy and Petrology), Geosciences Institute, Universidade de São Paulo - São Paulo (SP), Brazil. E-mail: elisabatata@hotmail.com

Ronaldo Pierosan

Geosciences Faculty, Universidade Federal de Mato Grosso - Cuiabá (MT), Brazil. E-mails: prof.mzaguiar@gmail.com, asruiz@gmail.com, ronaldo.pierosan@gmail.com

	References	U-Pb	Rb-Sr		Sm-Nd		K-Ar
	References	Age (Ma)	Age (Ma)	(⁸⁷Sr/⁸⁶Sr)₀	T_DM (Ga)	εNd(t)	Age (Ma)
Acid to intermediate rocks	Barros et al. (1982Barros A.M., Silva R.H., Cardoso O.R.F.A., Freire F.A., Souza Jr. J.J., Rivetti M., Luz D.S., Palmeira R.C., Tassinari C.C.G. 1982. Folha SD.21. - Cuiabá. Rio de Janeiro, Ministério das Minas e Energia-Secretaria Geral, Projeto RADAMBRASIL.)	-	(WR) 1130 ± 72	0,708	-	-	-
	Ruiz (1992Ruiz A.S. 1992. Contribuição a Geologia do Distrito de Cachoeirinha, MT. São Paulo. MS Dissertation, Instituto de Geociências, Universidade de São Paulo, São Paulo, 98 p.)	-	(WR) 1126 ± 39	0,7165	-	-	-
	Geraldes et al. (2001Geraldes M.C., Van Schmus W.R., Condie K.C., Bell S., Teixeira W., Babinski M. 2001. Proterozoic geologic evolution of the SW part of the Amazonian Craton in Mato Grosso state, Brazil. Precambrian Research, 111:91-128. http://doi.org/10.1016/S0301-9268(01)00158-9 http://doi.org/10.1016/S0301-9268(01)001... )	(Z) 1427 ± 10	-	-	1,89 a 1,79	-0,2	-
	Geraldes et al. (2004Geraldes M.C., Bettencourt J.S., Teixeira W, Matos J.M. 2004. Geochemistry and isotopic constraints on the origin of the mesoproterozoic Rio Branco ‘anorogenic’ plutonic suite, SW of Amazonian craton, Brazil: high heat flow and crustal extension behind the Santa Helena arc? Journal of South American Earth Sciences, 17:195-208. https://doi.org/10.1016/j.jsames.2004.05.010 https://doi.org/10.1016/j.jsames.2004.05... )	(Z) 1423 ± 0,2	-	-	1,89 a 1,81	-0,96 a +0,16	-
	Araújo (2008Araújo L.M.B. 2008. Evolução do magmatismo pós-cinemático do Domínio Cachoeirinha: Suítes Intrusivas Santa Cruz, Alvorada e Rio Branco-SW do Cráton Amazônico-MT. PhD Thesis, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Rio Claro, 158 p.)	(Z) 1423 ± 06 (Z) 1380 ± 49	-	-	1,91 a 1,65	-1,78 a +1,24	-
	Sousa et al. (2017Sousa M.Z.A., Batata M.E.F., Ruiz A.S., Lima G.A., Matos J.B., Paz J.D.S., Costa A.C.D., Silva C.H., Corrêa da Costa P.C. 2017. Geologia da Folha Rio Branco (SD21-Y-D-I). Brasil, Ministério das Minas e Energia, Programa Nacional de Geologia (PRONAGEO), CPRM/UFMT, 178 p.)	-	-	-	2,08	-3,39	-
Basic rocks	Hama (1976) apudRuiz (2005Ruiz A.S. 2005. Evolução Geológica do Sudoeste do Cráton Amazônico Região Limítrofe Brasil-Bolívia - Mato Grosso. PhD Thesis, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Rio Claro, 250 p.)	-	-	-	-	-	(P) 1006 ± 16
	Barros et al. (1982Barros A.M., Silva R.H., Cardoso O.R.F.A., Freire F.A., Souza Jr. J.J., Rivetti M., Luz D.S., Palmeira R.C., Tassinari C.C.G. 1982. Folha SD.21. - Cuiabá. Rio de Janeiro, Ministério das Minas e Energia-Secretaria Geral, Projeto RADAMBRASIL.)	-	-	-	-	-	(WR) 875 ± 21 (P) 878 ± 10 (P) 930 ± 14 (P) 960 ± 21
	Leite et al. (1985Leite J.A.D., Saes G.S., Weska R.K. 1985. A Suíte Intrusiva Rio Branco e o Grupo Aguapeí na serra de Rio Branco, Mato Grosso. In: Simpósio de Geologia do Centro-Oeste, Goiânia. Short Papers..., p. 247-255.)	-	-	-	-	-	(P) 1015 ± 17
	Geraldes et al. (2001Geraldes M.C., Van Schmus W.R., Condie K.C., Bell S., Teixeira W., Babinski M. 2001. Proterozoic geologic evolution of the SW part of the Amazonian Craton in Mato Grosso state, Brazil. Precambrian Research, 111:91-128. http://doi.org/10.1016/S0301-9268(01)00158-9 http://doi.org/10.1016/S0301-9268(01)001... )	(Z) 1471 ± 08	-	-	1,86 a 1,73	-2,3	-
	Geraldes et al. (2004Geraldes M.C., Bettencourt J.S., Teixeira W, Matos J.M. 2004. Geochemistry and isotopic constraints on the origin of the mesoproterozoic Rio Branco ‘anorogenic’ plutonic suite, SW of Amazonian craton, Brazil: high heat flow and crustal extension behind the Santa Helena arc? Journal of South American Earth Sciences, 17:195-208. https://doi.org/10.1016/j.jsames.2004.05.010 https://doi.org/10.1016/j.jsames.2004.05... )	(Z) 1471 ± 31	-	-	1,86 a 1,73	-2,33 a +1,91	-
	Araújo (2008Araújo L.M.B. 2008. Evolução do magmatismo pós-cinemático do Domínio Cachoeirinha: Suítes Intrusivas Santa Cruz, Alvorada e Rio Branco-SW do Cráton Amazônico-MT. PhD Thesis, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Rio Claro, 158 p.)	(S) 808 ± 620	-	-	1,74	+2,61	-
	Teixeira et al. (2016Teixeira W., Ernst R., Hamilton M.A., Lima G., Ruiz A.S., Geraldes M.C. 2016. Widespread ca. 1.4 Ga intraplate magmatism and tectonics in a growing Amazonia. GFF (Uppsala), 1:241-254. https://doi.org/10.1080/11035897.2015.1042033 https://doi.org/10.1080/11035897.2015.10... )	(B) 1439 ± 4	-	-	-	-	-

	#RB 533A	#RB 42D2	#RB 22B	#RB 22C2	#RB 317	#RB 46B	#RB 344	#RB 532	#RB 531	#RB 320	#RB 317A	*PG 120 5	*PG 120 6	*PG 120 3
SiO₂	44.03	45.06	45.09	45.22	45.56	45.80	45.86	46.11	46.90	47.25	48.9	49.02	49.15	49.32
TiO₂	2.23	3.48	2.03	2.74	2.15	2.59	2.65	2.88	4.38	3.92	3.67	3.65	3.25	3.30
Al₂O₃	15.76	14.78	16.53	14.45	15.83	16.10	16.23	16.09	11.73	12.41	13.04	13.68	13.90	13.63
Fe₂O_3T	14.70	15.10	13.05	15.56	13.61	13.96	14.40	14.03	17.60	17.36	16.19	14.94	14.85	14.67
MnO	0.19	0.19	0.16	0.20	0.17	0.19	0.19	0.19	0.23	0.22	0.15	0.23	0.21	0.22
MgO	6.80	5.14	6.86	5.77	6.66	6.01	5.67	5.11	4.31	3.75	3.97	3.92	4.56	4.66
CaO	8.57	8.88	7.98	8.52	8.5	8.65	8.93	8.48	8.98	8.25	5.81	6.22	5.05	6.89
Na₂O	2.58	2.9	2.98	3.41	2.75	2.77	2.82	2.95	2.64	2.93	3.54	3.28	3.72	2.69
K₂O	1.06	0.45	1.06	0.55	0.78	0.65	0.39	0.83	1.38	1.69	0.40	1.74	1.34	1.19
P₂O₅	0.35	0.66	0.34	0.45	0.38	0.49	0.49	0.54	0.59	0.67	0.70	0.61	0.58	0.57
LOI	3.4	3	3.6	2.8	3.3	2.5	2.1	2.5	1	1.3	3.3	2.4	3.0	2.5
Sum	99.67	99.64	99.68	99.67	99.69	99.71	99.73	99.71	99.74	99.75	99.67	99.69	99.61	99.64
Ba	437	312	455	326	562	390	350	491	516	631	562	826	1183	772
Rb	27.5	12.1	31.3	12.2	22.3	19.3	9.1	17.3	32.7	39.8	22.3	53.9	40.0	32.4
Sr	537.7	338.4	515.4	499.8	611.1	352.8	345.2	345.7	291.6	293.7	611.1	295.1	333.2	293.3
Zr	150.3	244.1	134.1	173.1	153.1	205.6	205.5	215.8	255	313	329.1	283.2	261.3	251.1
Nb	12.6	21.4	11.3	15.5	12.9	13.5	13.9	14.8	19.9	22.2	12.9	19.5	18.2	16.7
Zn	70	88	58	81	84	89	91	91	97	119	196	86	107	72
La	17.5	30.3	16.5	21.6	18.6	18.6	20.2	20.4	28.7	35.6	42.7	34.2	35.0	29.4
Ce	40.7	69.2	38.2	51.8	43.5	44.2	46.5	50	68.3	79.9	98.7	75.0	74.8	65.3
Pr	5.71	9.55	5.35	7.18	6.16	6.34	6.66	6.82	9.51	11	13.12	10.19	9.91	8.90
Nd	26.5	41.7	24.3	32	26.1	27.8	29.1	30.7	43.6	50.1	56.9	42.8	42.2	39.3
Sm	5.56	8.92	5.02	6.8	5.6	6.2	6.61	6.9	9.62	10.76	12.15	9.27	9.32	8.73
Eu	1.94	2.71	1.81	2.28	2.01	2.15	2.22	2.26	2.74	3.08	3.31	2.71	2.63	2.39
Gd	5.84	9.29	5.14	6.87	5.71	6.53	7.04	7.35	10.09	11.45	12.93	10.06	9.63	8.94
Tb	0.91	1.49	0.82	1.11	0.92	1.14	1.17	1.19	1.61	1.71	2.07	1.61	1.51	1.40
Dy	5.06	8.05	4.53	6.14	5.12	6.41	6.35	6.79	9.53	10.25	11.75	9.46	9.46	8.26
Ho	1	1.62	0.89	1.19	1.01	1.25	1.31	1.31	1.82	2.02	2.31	1.67	1.62	1.61
Er	2.79	4.39	2.38	3.35	2.83	3.61	3.75	3.7	4.94	5.39	6.58	4.59	4.72	4.56
Tm	0.4	0.65	0.36	0.49	0.39	0.52	0.54	0.55	0.76	0.81	0.94	0.74	0.65	0.65
Yb	2.37	4.15	2.3	3.04	2.5	3.09	3.41	3.46	4.44	5.02	5.92	4.58	4.08	3.83
Lu	0.36	0.57	0.31	0.43	0.36	0.46	0.5	0.52	0.65	0.73	0.84	0.71	0.64	0.63
Y	33.4	43	23.3	32.9	27.1	33.5	35.6	36.5	49.8	52.5	66	46.7	43.4	42.0
Ga	19.5	24.9	20.2	21.7	22.1	23.3	22.3	21.6	23.1	24.4	22.1	21.2	21.2	20.0
mg#	0.48	0.40	0.51	0.42	0.49	0.46	0.44	0.42	0.33	0.30	0.33	0.34	0.38	0.39

[TFN1] Z: zircon; S: sphene; B: baddeleyite; WR: whole-rock; P: plagioclase.

Brasil

Brasil

Geology and petrology of the Salto do Céu Suite: tectonic and stratigraphic implications on the SW Amazonian Craton

ABSTRACT: