Artículo

Estamos trabajando para incorporar este artículo al repositorio
Consulte el artículo en la página del editor
Consulte la política de Acceso Abierto del editor

Abstract:

The Vendian-Early Cambrian Puncoviscana Formation is a pelite-greywacke turbidite sequence affected by polyphase deformation cropping out extensively in the Cordillera Oriental of northwestern Argentina. Previous X-ray diffraction and analytical high-resolution TEM studies on southern locations found anchizonal grade and proposed medium-high pressure metamorphism followed by higher thermal conditions. We have determined the chemical composition of mica and chlorite with EDX on small uncontaminated areas selected using SEM in backscattered electron mode. The application of mica-chlorite geothermobarometry to mineral grains defining two different foliations has produced consistent pressure/temperature results based on the intersection of six reactions: 9 kbar/250 °C peak conditions were followed by an isothermal decompression to 3 kbar and a successive increase of temperature to nearly 350 °C at 1.5 kbar. The shales from the overlying Mesón and Santa Victoria Cambro-Ordovician groups do not contain chlorite, thus chlorite-mica geothermobarometry could not be applied. According to the range of KICIS obtained (0.41-0.68Δ°2θ) and their mineralogical assemblage (illite ± kaolinite ± corrensite + Qtz + Pl ± Kfs), these rocks have not surpassed diagenetic conditions, which implies a minimum temperature difference with the Puncoviscana Formation of 100 °C, consistent with the sharp angular unconformity between the two units. © 2013 E. Schweizerbart'sche Verlagsbuchhandlung, D-70176 Stuttgart.

Registro:

Documento: Artículo
Título:Geothermobarometry of very low-grade metamorphic pelites of the Vendian-Early Cambrian Puncoviscana Formation (NW Argentina)
Autor:Do Campo, M.; Collo, G.; Nieto, F.
Filiación:Instituto de Geocronología y Geología Isotópica, Facultad de Ciencias Exactas y Nautrales, Ciudad Universitaria, 1428 Buenos Aires, Argentina
CICTERRA - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Av. Veléz Sarsfield 1611, X5016CGA Córdoba, Argentina
Departamento de Mineralogía y Petrología, I.A.C.T., Universidad de Granada-CSIC, Avda. Fuentenueva s/n, 18002, Granada, Spain
Palabras clave:Chlorite, phengite; EDX; Kübler Index; P-T-time paths; Scanning electron microscopy; Thermobarometry; Cambrian; chemical composition; chlorite; diagenesis; geobarometry; geothermometry; metamorphic rock; mica; mineralogy; P-T-t path; pelite; phengite; scanning electron microscopy; unconformity; Vendian; X-ray diffraction; Argentina; Cordillera Oriental [Argentina]
Año:2013
Volumen:25
Número:3
Página de inicio:429
Página de fin:451
DOI: http://dx.doi.org/10.1127/0935-1221/2013/0025-2284
Título revista:European Journal of Mineralogy
Título revista abreviado:Eur. J. Mineral.
ISSN:09351221
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09351221_v25_n3_p429_DoCampo

Referencias:

  • Abad, I., Nieto, F., Gutierrez-Alonso, G., Textural and chemical changes in slate-forming phyllosilicates across the external-internal zones transition in the low-grade metamorphic belt of the NW Iberian Variscan Chain (2003) Schweizerische Mineralogische und Petrographische Mitteilungen, 83 (1), pp. 63-80
  • Abad, I., Gutierrez-Alonso, G., Nieto, F., Gertner, I., Becker, A., Cabero, A., The structure and the phyllosilicates (chemistry, crystallinity and texture) of Talas Ala-Tau (Tien Shan, Kyrgyz Republic): Comparison with more recent subduction complexes (2003) Tectonophysics, 365 (1-4), pp. 103-127. , DOI 10.1016/S0040-1951(03)00018-0
  • Adams, Ch., Miller, H., Toselli, A.J., Nuevas edades de metamorfismo por el método K-Ar de la Formación Puncoviscana y equivalentes NW de Argentina. El Ciclo Pampeano en el Noroeste Argentino (1990) Serie Correlación Geológica, 4, pp. 209-219. , F.G. Aceñolaza, H. Miller, A.J. Toselli, eds., Universidad Nacional de Tucumán, Tucumán, Argentina
  • Adams, C.J., Miller, H., Toselli, A.J., Griffin, W.L., The Puncoviscana Formation of northwest Argentina: U-Pb geochronology of detrital zircons and Rb-Sr metamorphic ages and their bearing on its stratigraphic age, sediment provenance and tectonic setting (2008) Neues Jahrbuch fur Geologie und Palaontologie - Abhandlungen, 247 (3), pp. 341-352. , DOI 10.1127/0077-7749/2008/0247-0341
  • Adams, C.J., Miller, H., Aceñolaza, F.G., Toselli, A.J., Griffin, W.L., The Pacific Gondwana margin in the late Neoproterozoic-early Paleozoic: Detrital zircon U-Pb ages from metasediments in northwest Argentina reveal their maximum age, provenance and tectonic setting (2011) Gondwana Res, 19, pp. 71-83. , doi: 10.1016.j.gr.2010.05.002
  • Astini R., .A., The Ordovician proto Andean basins (2003) Ordovician Fossils of Argentina, pp. 1-74. , J.L. Benededtto, ed. Universidad Nacional de Córdoba, Córdoba
  • Bathia, M.R., Crook, K.A., Trace elements characteristics of greywackes and tectonic setting discrimination of sedimentary basins (1986) Contrib. Mineral. Petrol, 92, pp. 181-193
  • Berman, R.G., Thermobarometry using multi-equilibrium calculations: A new technique, with petrological applications (1991) Quantitative Methods in Petrology: An Issue in Honor of Hugh J. Greenwood, 29, pp. 833-855. , Gordon, T M; Martin, R F., eds. Can. Mineral
  • Buatois, L.A., Mangano, M.G., The puncoviscana ichnofauna of northwest Argentina: The colonization of the deep sea and reconstruction of paleoenvironments and paleoecosystems oft he precambrian-cambrian transition (2003) Ameghiniana, 40 (1), pp. 103-117
  • Cathelineau, M., Cation site occupancy in chlorites and illites as a function of temperature (1988) Clay Mineral, 23, pp. 471-485
  • Dalla-Torre, M., Livi, K., Veblen, D.R., Frey, M., White Kmica evolution from phengite to muscovite in shales and shale matrix melange, Diablo Range, California (1996) Contrib. Mineral. Petrol, 123, pp. 390-405
  • De Caritat, P., Hutcheon, I., Walshe, J.L., Chlorite geothermometry: A review (1993) Clays and Clay Minerals, 41 (2), pp. 219-239
  • Do Campo, M., Metamorfismo del basamento en la Cordillera Oriental y borde oriental de la Puna (1999) Relatorio XIV Congreso Geológico Argentino Geología Del Noroeste Argentino, pp. 41-51. , G. González Bonorino, R. Omarini & J. Viramonte, eds. Universidad de Salta, Salta
  • Do Campo, M., Nieto, F., Transmission electron microscopy study of very low-grade metamorphic evolution in Neoproterozoic pelites of the Puncoviscana formation (Cordillera Oriental, NW Argentina) (2003) Clay Minerals, 38 (4), pp. 459-481. , DOI 10.1180/0009855033840109
  • Do Campo, M., Nieto, F., Omarini, R., Ostera, H., Neoproterozoic K-Ar ages for the metamorphism of the Puncoviscana Formation, Northwestern Argentina. II South American Symposium on Isotope Geology (1999) Actas, Carlos Paz, pp. 48-53
  • Do Campo, M., Ribeiro Guevara, S., Provenance analysis and tectonic setting of late Neoproterozoic metasedimentary successions in NW Argentina (2005) Journal of South American Earth Sciences, 19 (2), pp. 143-153. , DOI 10.1016/j.jsames.2005.01.003, PII S0895981105000301
  • Durand, F.R., Aceñolaza, F.G., Caracteres biofaunísticos, paleoecológicos y paleogeográficos de la Formación Puncoviscana (Precámbrico superior - Cámbrico inferior) del Noroeste Argentino. El Ciclo Pampeano en el Noroeste Argentino (1990) Serie Correlación Geológica, 4, pp. 71-112. , F.G. Aceñolaza, H. Miller, A. Toselli, eds, Universidad Nacional de Tucumán, Argentina
  • Escayola, M.P., Van Staal, C.R., Davis, W.J., The age and tectonic setting of the Puncoviscana Formation in northwestern Argentina: An accretionary complex related to Early Cambrian closure of the Puncoviscana Ocean and accretion of the Arequipa-Antofalla block (2011) J. South Am. Earth Sci, 32, pp. 438-459
  • Giorgetti, G., Memmi, I., Nieto, F., Microstuctures of intergrown phyllosilicate grains from Verrucano metasediments (northern Apennines, Italy) (1997) Contrib. Mineral. Petrol, 128, pp. 127-138
  • González, M.A., Tchilinguirian, P., Pereyra, F., Ramallo, E., (2003) Hoja Geológica 2366-IV Ciudad de Libertador General San Martín, Provincias de Jujuy y Salta, 274, p. 109. , Instituto de Geología y Recursos Minerales, Boletín, SEGEMAR, Buenos Aires
  • Guidotti, C.V., Micas in metamorphic rocks (1984) Reviews in Mineralogy, 13, pp. 357-467. , Micas S.W. Bailey, ed., Mineralogical Society of America, Washington DC
  • Guidotti, C.V., Sassi, F.P., Classification and Correlation of Metamorphic Facies Series by Means of Muscovite b0 data from Low-Grade Metapelites (1986) Neues Jb. Mineral. Abh, 153, pp. 363-380
  • Guidotti, C.V., Sassi, F.P., Blencoe, J.G., Selverstone, J., The paragonite-muscovite solvus: I. P-T-X limits derived from the Na- K compositions of natural, quasibinary paragonite-muscovite pairs (1994) Geochimica et Cosmochimica Acta, 58 (10), pp. 2269-2275. , DOI 10.1016/0016-7037(94)90009-4
  • Guidotti, C.V., Yates, M.G., Dyar, M.D., Taylor, M.E., Petrogenetic implications of the Fe+3 content of muscovite in pelitic schists (1994) Am. Mineral, 79, pp. 793-795
  • Hillier, S., Velde, B., Octahedral occupancy and chemical composition of diagenetic (low-temperature) chlorites (1991) Clay Mineral, 26, pp. 149-168
  • Hongn, F.D., Acuña, P.A., Mon, R., Kirschbaum, A.M., Deformación paleozoica en el área de La Colorada. Sierra de Cobres (NO de la Argentina). X Congreso Argentino de Geología Económica (2001) Salta. Actas, 1, pp. 57-63
  • Hongn, F.D., Tubia, J.M., Aranguren, A., Mon, R., Battaglia, R., Intrusion of red granite of the Tastil batholith into Eopaleozoic sandstones in the angosto de la Quesera area. Eastern Cordillera, Salta (2001) Revista de la Asociacion Geologica Argentina, 56 (2), pp. 249-252
  • Hongn, F.D., Tubía, J.M., Aranguren, A., Vegas, N., Mon, R., Dunning, G.R., Magmatism coeval with lower Paleozoic shelf basins in NW-Argentina (Tastil batholith): Constraints on current stratigraphic and tectonic interpretations (2010) J. South Am. Earth Sci, 29, pp. 289-305
  • Inoue, A., Meunier, A., Patrier-Mas, P., Rigault, C., Beaufort, D., Vieillard, P., Application of chemical geothermometry to low-temperature trioctahedral chlorites (2009) Clays Clay Mineral, 57, pp. 371-382
  • Jezek, P., Análisis sedimentológico de la Formación Puncoviscana entre Tucumán y Salta. El Ciclo Pampeano en el Noroeste Argentino (1990) Serie Correlación Geológica, 4, pp. 9-36. , F.G. Aceñolaza, H. Millar and A.J. Toselli, eds., Universidad Nacional de Tucumán, Tucumán, Argentina
  • Jowett, E.C., Fitting iron and magnesium into the hydrothermal chlorite geothermometer: GAC/MAC/SEG Joint Annual Meeting (Toronto) (1991) Program with Abstracts, 16, pp. A62
  • Leclere, H., Buatier, M., Charpentier, D., Sizun, J.P., Labaume, P., Thibault Cavailhes, T., Formation of phyllosilicates in a fault zone affecting deeply buried arkosic sandstones Their influence on petrophysic properties (Annot sandstones French external Alps) (2012) Swiss J Geosci, 105, pp. 299-312
  • Lopez-Munguira, A., Nieto, F., Morata, D., Chlorite composition and geothermometry: A comparative HRTEM/AEM-EMPA-XRD study of Cambrian basic lavas from the Ossa Morena zone, SW Spain (2002) Clay Minerals, 37 (2), pp. 267-281. , DOI 10.1180/0009855023720033
  • Massone, H.J., Schreyer, W., Phengite geobarometry based on the limiting assemblage with K-feldspar, phlogopite and quartz (1987) Contrib. Mineral. Petrol, 96, pp. 212-224
  • Massone, H.J., Szpurka, Z., Thermodynamic properties of white micas on the basis of high-pressure experiments in the systems K2O-MgO-Al2O3-SiO2-H2O and K2O-FeO-Al2O3- SiO2-H2O (1997) Lithos, 41, pp. 229-250
  • Matteini, M., Hauser, N., Pimentel, M.M., Omarini, R., Dantas, E.L., Buhn, B.M., Combined in situ U/Pb, Lu/Hf and Sm/Nd systematics applied to the Tastil batholith, Eastern Cordillera, NW Argentina: Implications for the evolution of Western margin of Gondwana during the Early Paleozoic (2008) Actas VI South American Symposium on Isotope Geology, pp. 4-5. , (CD-ROM), Bariloche
  • McLennan, S.M., Taylor, S.R., McCulloch, M.T., Maynard, J.B., Geochemical and Nd-Sr isotopic composition of deepsea turbidites: Crustal evolution and plate tectonic associations (1990) Geochim. Cosmochim. Acta, 54, pp. 2015-2050
  • Merriman, R.J., Frey, M., Patterns of very low-grade metamorphism in metapelitic rocks (1999) Low-grade Metamorphism, pp. 61-107. , M. Frey, & D. Robinson, eds. Blackwell, Oxford
  • Merriman, R.J., Peacor, D.R., Very low-grade metapelites: Mineralogy microfabrics and measuring reaction progress (1999) Low-grade metamorphism, pp. 10-60. , M. Frey, & D. Robinson, eds. Blackwell Science, Oxford
  • Mon, R., Hongn, F.D., The structure of the Precambrian and Lower Paleozoic basement of the Central Andes between 22 and 32 S (1991) Lat. Geol. Rundsch, 80, pp. 745-758
  • Mon, R., Hongn, F.D., Estructura del basamento proterozoico y paleozoico inferior del norte argentino (1996) Rev. Asoc. Geol. Arg, 51, pp. 3-14
  • Moore, D.M., Reynolds, R.C., (1997) X-Ray Diffraction and the Identification and Analysis of Clay Minerals, p. 378. , Oxford University Press, New York
  • Nieto, F., Mellini, M., Abad, I., The role of H3O+ in the crystal structure of illite (2010) Clay Clay Mineral, 58, pp. 238-246
  • Omarini, R.H., (1983) Caracterización Litológica, Diferenciación y Génesis de la Formación Puncoviscana Entre El Valle de Lerma y la Faja Eruptiva de la Puna, p. 202. , PhD Thesis unpublished). Salta University, Argentina
  • Omarini, R., Baldis, B.A.J., Sedimentología y mecanismos deposicionales de la Formación Puncoviscana (Grupo Lerma, Precámbrico-Cámbrico) del noroeste argentino (1984) IX Congreso Geológico Argentino, Actas, 1, pp. 384-398
  • Parra, T., Vidal, O., Agard, P., A thermodynamic model for Fe-Mg dioctahedral K white micas using data from phase-equilibrium experiments and natural pelitic assemblages (2002) Contributions to Mineralogy and Petrology, 143 (6), pp. 706-732
  • Passchier, C.W., Trouw, R.A.J., (2005) Microtectonics, p. 366. , (second edition). Springer Verlag, Berlin
  • Rieder, M., Cavazzini, G., D'Yakonov, Y.S., Frank-Kamenetskii, V.A., Gottardi, G., Guggenheim, S., Komal, P.V., Wones, D.R., Nomenclature of the Micas (1998) Clay Clay Mineral, 46, pp. 586-595
  • Rubiolo, D., Seggiaro, R., Gallardo, E., Disalvo, A., Sanchez, M., Turel, A., Ramallo, E., Godeas, M., Hoja Geológica 2366-II/2166-IV, la Quiaca (2001) Provincias de Jujuy y Salta, 246, p. 113. , Instituto de Recursos Minerales, Boletín, SEGEMAR., Buenos Aires
  • Toselli, A.J., Metamorfismo del Ciclo Pampeano. El Ciclo Pampeano en el Noroeste Argentino (1990) Serie Correlación Geológica, Universidad Nacional de Tucumán, Tucumán, Argentina, 4, pp. 181-197. , F.G Aceñolaza, H. Miller & A.J. Toselli, eds
  • Toselli, A.J., De Toselli, R.J.N., Metamorfismo de la Formación Puncoviscana en las provincias de Salta y Tucumán, Argentina (1982) V Congreso Latinoamericano de Geología, Buenos Aires. Actas, 2, pp. 37-52
  • Turner, J.C.M., Estratigrafía de la Sierra de Santa Victoria y adyacencias (1960) Boletín Academia Nacional de Ciencias de Cordoba, 41, pp. 163-196
  • Vidal, O., Parra, T., Exhumation paths of high-pressure metapelites obtained from local equilibria for chlorite-phengite assemblages (2000) Geological Journal, 35 (3-4), pp. 139-161. , DOI 10.1002/gj.856
  • Vidal, O., Parra, T., Trotet, F., A thermodynamic model for Fe-Mg aluminous chlorite using data from phase equilibrium experiments and natural pelitic assemblages in the 100-600 °c, 1-25 kbar P-T range (2001) Am. J. Sci, 301, pp. 557-592
  • Vidal, O., Parra, T., Vieillard, P., Thermodynamic properties of the Tschermak solid solution in Fe-chlorite: Application to natural examples and possible role of oxidation (2005) American Mineralogist, 90 (2-3), pp. 347-358. , DOI 10.2138/am.2005.1554
  • Vidal, O., De Andrade, V., Lewin, E., Munoz, M., Parra, T., Pascarelli, S., P-T-deformation-Fe3+/Fe2+ mapping at the thin section scale and comparison with XANES mapping: Application to a garnet-bearing metapelite from the Sambagawa metamorphic belt (Japan) (2006) Journal of Metamorphic Geology, 24 (7), pp. 669-683. , DOI 10.1111/j.1525-1314.2006.00661.x
  • Walshe, J.L., A six-component chlorite solid solution model and theco nditions of chlorite formation in hydrothermal and geothermal systems (1986) Econ. Geol, 81, pp. 681-703
  • Warr, L.N., Rice, A.H.N., Interlaboratory standardization and calibration of clay mineral crystallinity and crystallite size data (1994) Journal of Metamorphic Geology, 12 (2), pp. 141-152
  • Whitney, D.L., Evans, B.W., Abbreviations for names of rock-forming minerals (2010) Am. Mineral, 95, pp. 185-187
  • Willner, A.P., Miller, H., Jezek, P., Composición geoquímica del basamento sedimentario/ metamórfico de los Andes del NW argentino (Precámbrico superior/Cámbrico inferior), El Ciclo Pampeano en el Noroeste Argentino (1990) Serie Correlación Geológica, 4, pp. 161-179. , F.G. Aceñolaza, H. Miller & A.J. Toselli, eds, Universidad Nacional de Tucumán, Tucumán, Argentina

Citas:

---------- APA ----------
Do Campo, M., Collo, G. & Nieto, F. (2013) . Geothermobarometry of very low-grade metamorphic pelites of the Vendian-Early Cambrian Puncoviscana Formation (NW Argentina). European Journal of Mineralogy, 25(3), 429-451.
http://dx.doi.org/10.1127/0935-1221/2013/0025-2284
---------- CHICAGO ----------
Do Campo, M., Collo, G., Nieto, F. "Geothermobarometry of very low-grade metamorphic pelites of the Vendian-Early Cambrian Puncoviscana Formation (NW Argentina)" . European Journal of Mineralogy 25, no. 3 (2013) : 429-451.
http://dx.doi.org/10.1127/0935-1221/2013/0025-2284
---------- MLA ----------
Do Campo, M., Collo, G., Nieto, F. "Geothermobarometry of very low-grade metamorphic pelites of the Vendian-Early Cambrian Puncoviscana Formation (NW Argentina)" . European Journal of Mineralogy, vol. 25, no. 3, 2013, pp. 429-451.
http://dx.doi.org/10.1127/0935-1221/2013/0025-2284
---------- VANCOUVER ----------
Do Campo, M., Collo, G., Nieto, F. Geothermobarometry of very low-grade metamorphic pelites of the Vendian-Early Cambrian Puncoviscana Formation (NW Argentina). Eur. J. Mineral. 2013;25(3):429-451.
http://dx.doi.org/10.1127/0935-1221/2013/0025-2284