39:
1288:
117:
19:
449:
in small areas of
Southeastern Uruguay. Although volcanic rocks of the Paraná volcanism underlies more than half of Uruguay, they have in many areas been covered by younger sediments so that the lavas only crop out as a geological province in the Uruguayan northwest.
578:
Mazzucchelli, Maurizio; Rivalenti, Giorgio; Piccirillo, Enzo
Michele; Vitorio Girardi, Vicente Antonio; Civetta, Lucia; Petrini, Riccardo (1995). "Petrology of the Proterozoic mafic dyke swarms of Uruguay and constraints on their mantle source composition".
173:. Though the RĂo de la Plata Craton underlies practically all of Uruguay, it only shows up in the south and east of the country since in other parts of the country, it is covered by younger volcanic rocks or sediments. The shield was formed during two
687:
Perea, Daniel; Soto, MatĂas; Veroslavsky, Gerardo; MartĂnez, Sergio; Ubilla, MartĂn (2009), "A Late
Jurassic fossil assemblage in Gondwana: Biostratigraphy and correlations of the TacuarembĂł Formation, Parana Basin, Uruguay",
241:
rocks which are the oldest rocks in
Uruguay. It has not been established to which degree this terrane belongs to or has affinity with the RĂo de la Plata Craton. The rocks of Nico PĂ©rez Terrane formed originally in the
978:
1274:
365:
suffered a gentle uplifting that deviated sediments into the
TacuarembĂł region of Uruguay. These changes led to the formation of the ItacuanbĂş and TacuarembĂł formations during the Mid
943:
714:
Stewart, Kathy; Turner, Simon; Kelley, Simon; Hawkesworth, Chris; Kirstein, Linda; Mantovani, Marta (1996), "3-D,Ar-Ar geochronology in the Paraná continental flood basalt province",
971:
1649:
830:
468:"Detrital zircon ages of Neoproterozoic sedimentary successions in Uruguay and Argentina: insights into the geological evolution of the RĂo de la Plata Craton"
964:
1177:
1644:
306:
age are found in the central part of
Uruguay being exposed as a narrow east-west to northeast oriented band. The upper and better known part of this
1130:
743:
537:
Bossi, Jorge; Gaucher, Claudio (2004), "The
Cuchilla Dionisio Terrane, Uruguay: An Allochthonous Block Accreted in the Cambrian to SW-Gondwana",
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521:
466:
Gaucher, C.; Finney, S. C.; Poiré, D. G.; Valencia, V. A.; Grove, M.; Blanco, G.; Pamoukaghlián, K.; Peral, L. G. (2008).
1536:
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1123:
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181:(mya) for the western part and another 700–500 mya for the eastern part. The later orogenic event is the result of the
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Sánchez
Bettucci, Leda; Cordani, Umberto; Loureiro, Judith; Peel, Elena; Fort, Santiago; Sato, Kei (2021).
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89:
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configuration the territory of
Uruguay have been covered by several sedimentary formations ranging from
223:
1022:
741:
Early
Cretaceous Magmatic Activity in Southeast Uruguay: Trace Elements and Sr-Nd Isotopic Constraints
740:
567:
From Rodinia to Western Gondwana: An approach to the Brasiliano-Pan African Cycle and orogenic collage
169:. The shield in Uruguay goes under the name of Rio Grande do Sul—Uruguay Shield and includes parts of
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Lustrino, M.; Gomes, C.B; Melluso, L.; Morbidelli, L.; Muzio, R.; Ruberti, E. and Tassinari, C.C.G.
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unit extending beyond Uruguay's borders into Argentina and Brazil, with parts of it now lying in
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Paraná flood basalts: Rapid extrusion hypothesis confirmed by new 40Ar/39Ar results
759:
615:"The Nico PĂ©rez terrane (Uruguay) and its archean and paleoproterozoic inheritance"
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27:
219:. West of SarandĂ del YĂ Shear Zone the RĂo de la Plata Craton is intruded by the
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288:. All of the sedimentary formations covers only patches of the country since
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354:-like sediments found in Uruguay have been associated with this glaciation.
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314:. The lower sandstones of this sequence have characteristics similar to the
311:
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162:
808:
654:
Harrington, Horacio J. Uruguay - Handbook of South American Geology. 1956.
201:. The eastern part of the Uruguayan shield region is crossed by two major
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Shallow structure of the Continental Margin, Southern Brazil and Uruguay
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came to be preserved thanks to a unit of the Paraná traps, the Arapey
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and RĂo de la Plata cratons formed one plate in the west of the
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960:
812:
787:
Soil, topography, climate and agro-ecological zones of Uruguay
565:, Mário da Costa Campos Neto and Reinhardt Adolfo Fuck. 1999.
778:
46:(older than 1.3 Ga) cratons in South America and Africa
334:
and was subsequently covered by ice lobes of the great
395:
In the north of Uruguay, volcanic materials from the
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229:The area between SarandĂ del YĂ and Sierra Ballena
381:, that erupted 132 mya and covered the sediments.
361:stages of the South Atlantic the area of southern
205:both running roughly in north-south direction the
434:as well. Associated with this volcanism are also
758:David S. Thiede and Paulo M. Vasconcelos. 2010.
608:
606:
604:
161:underlying Uruguay and large areas of eastern
1124:
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824:
330:the territory of Uruguay was affected by the
84:. Big events that have shaped the geology of
8:
945:South Georgia and the South Sandwich Islands
233:–that is the Nico Pérez Terrane– is made of
672:Late Paleozoic Glaciation: I, South America
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296:have cleaned surfaces, creeks and shores.
632:
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407:on the other side of the Atlantic due to
690:Journal of South American Earth Sciences
426:. The bulk of this volcanic material is
411:. This volcanic material erupted in the
397:Paraná continental flood basalt province
250:era and much were later affected by the
458:
7:
210:SarandĂ del YĂ-Piriápolis Shear Zone
716:Earth and Planetary Science Letters
189:in the aftermath of the breakup of
779:National Mining and Geology Office
80:the oldest of which date from the
14:
791:Food and Agriculture Organization
415:period during the opening of the
135:is marked as "SYSZ". To the east
1286:
796:Geological evolution of Uruguay
494:10.1016/j.precamres.2008.07.006
154:, an extensive area of stable
1:
551:10.1016/S1342-937X(05)71054-6
106:opening of the South Atlantic
728:10.1016/0012-821X(96)00132-X
702:10.1016/j.jsames.2009.03.009
595:10.1016/0301-9268(95)00014-V
563:Benjamin Bley de Brito Neves
338:that covered large parts of
150:in Uruguay includes part of
1766:Water supply and sanitation
1212:Treaty of Montevideo (1828)
803:Universidad de la RepĂşblica
419:and has been linked to the
1935:
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292:have not been uniform and
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1701:
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1241:Revolution of the Lances
998:
840:Geology of South America
217:Sierra Ballena Shear Zone
137:Sierra Ballena Shear Zone
133:SarandĂ del YĂ Shear Zone
127:in Uruguay after Gaucher
988:Stratigraphic formations
634:10.5027/andgeoV48n3-3345
42:Approximate location of
516:Butler, Louis W. 1970.
96:(mya)), the breakup of
1645:Science and technology
1207:Thirty-Three Orientals
1073:San Gregorio Formation
262:Sedimentary formations
152:RĂo de la Plata craton
140:
90:Transamazonian orogeny
47:
35:
1033:Fray Bentos Formation
1013:Buena Vista Formation
801:by Agronomy Faculty,
221:Late Paleoproterozoic
119:
41:
21:
1199:Cisplatina province
1165:Spanish colonization
1093:Tres Islas Formation
1088:TacuarembĂł Formation
1068:Rio Bonito Formation
582:Precambrian Research
473:Precambrian Research
375:TacuarembĂł formation
139:is marked as "SBSZ".
1249:Battle of Masoller
1048:Mangrullo Formation
486:2008PreR..167..150G
69:erupted during the
26:remnant made up of
22:Cerro BatovĂ is an
1919:Geology of Uruguay
1665:Telecommunications
1178:British invasions
1078:San José Formation
1053:Mercedes Formation
1043:Libertad Formation
1023:Cordobés Formation
1008:Botucatu Formation
746:2011-07-20 at the
664:Lawrence A. Frakes
252:Brasiliano orogeny
224:Florida dyke swarm
141:
54:combines areas of
52:geology of Uruguay
48:
36:
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1537:Human trafficking
1457:General Assembly
1452:Foreign relations
1442:Political parties
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1269:(1973–1985)
1243:(1870–1872)
1235:(1864–1870)
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1201:(1821–1828)
1193:(1815–1820)
1180:(1806–1807)
1172:(1776–1814)
1106:
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1098:YaguarĂ Formation
1058:Queguay Formation
1038:GuichĂłn Formation
1028:Dolores Formation
1018:Camacho Formation
1003:Asencio Formation
954:
953:
926:other territories
539:Gondwana Research
357:During the early
300:Sedimentary rocks
179:million years ago
177:events; one 2000
94:million years ago
65:with a region of
32:sedimentary rocks
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248:Paleoproterozoic
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373:. Parts of the
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171:Southern Brazil
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44:Mesoproterozoic
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627:(3): 442–471.
620:Andean Geology
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589:(3): 177–194.
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545:(3): 661–674,
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457:
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430:but there are
417:South Atlantic
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344:Glacial striae
328:Late Paleozoic
310:is made up of
304:Lower Devonian
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256:Neoproterozoic
185:of blocks and
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1197:
1195:
1191:Liga Federal
1189:
1187:
1184:
1182:
1176:
1174:
1168:
1166:
1163:
1161:
1158:
1157:
1155:
1153:
1149:
1145:
1141:
1134:
1129:
1127:
1122:
1120:
1115:
1114:
1111:
1099:
1096:
1094:
1091:
1089:
1086:
1084:
1081:
1079:
1076:
1074:
1071:
1069:
1066:
1064:
1061:
1059:
1056:
1054:
1051:
1049:
1046:
1044:
1041:
1039:
1036:
1034:
1031:
1029:
1026:
1024:
1021:
1019:
1016:
1014:
1011:
1009:
1006:
1004:
1001:
1000:
997:
993:
989:
982:
977:
975:
970:
968:
963:
962:
959:
947:
942:
940:
939:French Guiana
937:
935:
932:
931:
929:
923:
918:
912:
909:
907:
904:
902:
899:
897:
894:
892:
889:
887:
884:
882:
879:
877:
874:
872:
869:
867:
864:
862:
859:
857:
854:
853:
851:
849:
845:
841:
834:
829:
827:
822:
820:
815:
814:
811:
804:
797:
794:
792:
788:
785:
780:
777:
776:
772:
765:
761:
755:
752:
749:
745:
742:
736:
733:
729:
725:
721:
717:
710:
707:
703:
699:
695:
691:
683:
680:
677:
673:
669:
665:
660:
657:
651:
648:
635:
630:
626:
622:
621:
616:
609:
607:
605:
601:
596:
592:
588:
584:
583:
574:
571:
568:
564:
559:
556:
552:
548:
544:
540:
533:
531:
527:
523:
519:
513:
510:
504:
499:
495:
491:
487:
483:
479:
475:
474:
469:
462:
459:
453:
451:
448:
444:
441:
437:
433:
429:
425:
422:
418:
414:
410:
406:
402:
399:form a major
398:
392:
384:
382:
380:
376:
372:
368:
364:
360:
355:
353:
349:
345:
341:
337:
333:
329:
325:
321:
317:
313:
309:
305:
301:
297:
295:
291:
287:
284:
280:
277:
273:
270:of the final
269:
261:
259:
257:
253:
249:
245:
240:
236:
232:
227:
225:
222:
218:
215:
211:
208:
204:
200:
196:
195:SĂŁo Francisco
192:
188:
184:
180:
176:
172:
168:
165:and southern
164:
160:
159:basement rock
157:
153:
149:
146:
138:
134:
130:
126:
122:
118:
112:Shield region
111:
109:
107:
103:
99:
95:
91:
87:
83:
79:
76:
72:
68:
67:volcanic rock
64:
61:
57:
53:
45:
40:
33:
29:
25:
20:
16:
1884:Bibliography
1716:Demographics
1711:Coat of arms
1675:Trade unions
1630:Central Bank
1552:Prostitution
1532:Human rights
1527:Cannabis use
1515:Legal issues
1481:Constitution
1469:Legal system
1459:(parliament)
1362:
1170:Viceroyalty
922:Dependencies
905:
799:(in Spanish)
782:(in Spanish)
763:
754:
735:
719:
715:
709:
693:
689:
682:
676:GSA Bulletin
659:
650:
640:November 28,
638:. Retrieved
624:
618:
586:
580:
573:
558:
542:
538:
512:
477:
471:
461:
401:lithological
394:
391:Flood basalt
385:Paraná traps
363:Paraná Basin
356:
315:
298:
265:
228:
142:
128:
108:(~145 mya).
88:include the
73:and copious
51:
49:
28:flood basalt
15:
1741:Immigration
1620:Agriculture
1547:LGBT rights
1373:Lighthouses
1336:Environment
1331:Departments
1275:Expiry Law
503:11336/74329
445:exposed as
235:metamorphic
231:shear zones
203:shear zones
156:crystalline
145:Precambrian
121:Shear zones
75:sedimentary
56:Precambrian
1816:Literature
1736:Healthcare
1721:Emigration
1476:Civil Code
1319:Montevideo
1217:Civil War
696:(2): 168,
454:References
443:intrusions
438:and other
413:Cretaceous
389:See also:
371:Cretaceous
290:deposition
283:Quaternary
279:sandstones
266:After the
104:) and the
71:Cretaceous
30:overlying
1811:Languages
1806:Education
1761:Squatting
1680:Transport
1584:Air Force
1486:Judiciary
1447:Elections
1432:President
1297:Geography
1262:Tupamaros
911:Venezuela
856:Argentina
805:, Uruguay
524:Bulletin.
440:granitoid
432:rhyolites
369:to Early
336:ice sheet
320:SĂŁo Paulo
312:sandstone
239:granitoid
214:sinistral
183:accretion
163:Argentina
131:., 2008.
100:(700–500
24:erosional
1913:Category
1893:Category
1841:Religion
1660:Taxation
1635:Currency
1566:Military
1522:Abortion
1501:Passport
1416:Politics
1257:Batllism
1144:articles
901:Suriname
891:Paraguay
876:Colombia
744:Archived
670:. 1969.
447:outcrops
367:Jurassic
340:Gondwana
308:sequence
276:Devonian
268:assembly
246:eon and
212:and the
187:terranes
175:orogenic
125:terranes
82:Devonian
1870:Outline
1846:Smoking
1831:Museums
1794:Cuisine
1781:Culture
1694:Society
1670:Tourism
1625:Banking
1608:Economy
1589:History
1437:Cabinet
1368:Islands
1363:Geology
1326:Climate
1309:Borders
1152:History
1140:Uruguay
992:Uruguay
906:Uruguay
881:Ecuador
861:Bolivia
766:vol 38.
764:Geology
482:Bibcode
436:syenite
405:Namibia
379:basalts
359:rifting
294:erosion
244:Archean
207:dextral
191:Rodinia
98:Rodinia
86:Uruguay
1898:Portal
1789:Cinema
1751:People
1706:Anthem
1640:Energy
1388:Rivers
1314:Cities
1277:(1986)
1251:(1904)
1142:
886:Guyana
866:Brazil
722:: 95,
428:basalt
348:shales
324:Brazil
272:shield
167:Brazil
148:shield
92:(2000
78:facies
60:shield
58:-aged
1877:Index
1851:Sport
1836:Music
1826:Media
1771:Women
1594:Ranks
1358:Flora
1353:Fauna
871:Chile
424:plume
352:varve
286:loess
258:era.
193:when
129:et al
63:units
1821:Mate
1799:Wine
1746:LGBT
1731:Flag
1579:Navy
1574:Army
1393:Time
896:Peru
666:and
642:2021
350:and
237:and
143:The
123:and
50:The
1491:Law
1399:DST
990:of
924:and
789:by
724:doi
720:143
698:doi
629:doi
591:doi
547:doi
522:GSA
498:hdl
490:doi
478:167
346:on
322:in
318:of
302:of
281:to
254:in
226:.
102:mya
1915::
762:.
718:,
694:28
692:,
674:,
625:48
623:.
617:.
603:^
587:74
585:.
541:,
529:^
520:.
496:.
488:.
476:.
470:.
342:.
1132:e
1125:t
1118:v
980:e
973:t
966:v
832:e
825:t
818:v
726::
700::
644:.
631::
597:.
593::
549::
543:7
506:.
500::
492::
484::
34:.
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