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302:. From top to bottom Sierra Bayas Group is subdivided Loma Negra, Olavarría, Cerro Largo, Colombo and Villa Mónica formations. Sierra Bayas Group has a thickness of 175 meters and the age its rocks range from
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Pazos, P.J.; Rapalini, A. (2011). "The controversial stratigraphy of the glacial deposits in the
Tandilia System, Argentina". Geological Society, London. pp. 565–569.
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aside, Sierra Bayas Group contains the oldest sedimentary formations in
Argentina that have not been subjected to in a significant degree the geological processes of
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times. The group crops out in the central and northwestern parts of the
Tandilia System, a chain of hills made up by of ancient rocks. The nearby
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366:"Sedimentología y estratigrafía del Grupo La Providencia (nom. nov.): cubierta superior neoproterozoica, Sistema de Tandilia, Argentina"
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Kawashita, K.; Varela, R.; Cingolani, C.; Soliani Jr., E.; Linares, E.; Valencio, S.A.; Ramos, A.V.; Do Campo, M. (1999).
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Geochronology and chemostratigraphy of "La Tinta" Neoproterozoic sedimentary rocks, Buenos Aires
Province, Argentina
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Arrouy, M. Julia; Poiré, Daniel G.; Gómez Peral, Lucía E.; Canalicchio, José María (2015).
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437:. II South American Symposium on Isotope Geology, Brazil. pp. 403–407.
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Sierra Bayas Group and the former La Tinta Group have equivalents in
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It was formerly grouped together with Cerro Negro
Formation and the
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396:"Extension and general evolution of the Río de la Plata Craton"
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Latin
American Journal of Sedimentology and Basin Analysis
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402:. Vol. 16. Elsevier. pp. 73–85.
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394:Bossi, Jorge; Cingolani, Carlos (2009).
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400:Developments in Precambrian Geology
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16:Geological formation in Argentina
517:Geology of Buenos Aires Province
487:Geologic formations of Argentina
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262:, Argentina, that deposited in
330:Dyke swarms of Tandil and Azul
234:Sierra Bayas Group (Argentina)
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408:10.1016/S0166-2635(09)01604-1
497:Neoproterozoic South America
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492:Ediacaran South America
145:37.316667°S 59.133333°W
335:Puncoviscana Formation
193:Río de la Plata Craton
150:-37.316667; -59.133333
320:into La Tinta Group.
268:Cerro Negro Formation
260:Buenos Aires Province
165:Buenos Aires Province
52:Cerro Negro Formation
502:Limestone formations
66:Buenos Aires Complex
340:Sucunduri Formation
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42:Stratigraphic group
28:Stratigraphic range
318:Balcarce Formation
245:Sierra Bayas Group
56:Balcarce Formation
22:Sierra Bayas Group
461:Missing or empty
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512:Glacial deposits
507:Shale formations
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300:South Africa
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272:metamorphism
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208:Sierra Bayas
199:Type section
282:Description
276:deformation
148: /
123:Coordinates
481:Categories
346:References
315:Ordivician
292:Nama Group
256:formations
136:59°08′00″W
133:37°19′00″S
111:Diamictite
454:cite book
308:Ediacaran
294:found in
204:Named for
183:Argentina
93:quartzite
89:argillite
81:Limestone
72:Lithology
48:Underlies
324:See also
117:Location
97:dolomite
62:Overlies
296:Namibia
171:Country
77:Primary
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304:Tonian
189:Extent
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161:Region
87:(inc.
249:group
247:is a
107:Other
85:shale
467:help
412:ISBN
378:(2).
298:and
274:and
38:Type
404:doi
306:to
258:in
251:of
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.