619:
1382:
512:
2991:
47:
1580:
1566:
3088:
125:
3100:
54:
611:
622:
Sketch of the paleogeographic situation of South
America during the Late Cretaceous and Early Paleogene, roughly 85 to 63 Ma. The Colorado Basin, located north of the North Patagonian Massif in the South Gondwanan Province (grey), is exposed and eroded during the
1545:
and after seismic acquisition in the 1970s by YPF, some wells were drilled in 1977 by the same company. Renewed exploration started in the mid-1990s with several wells drilled by Union Texas and Shell. The offshore Cruz del Sur x-1 well provided
480:, the Colorado Basin does not produce hydrocarbons. Exploration for petroleum started in the 1940 with the drilling of two onshore wells and several onshore and offshore wells have been drilled in the 1960s, 1970s and 1990s. The main
519:
The
Colorado Basin stretches across an approximate area of 180,000 square kilometres (69,000 sq mi) with about 37,000 square kilometres (14,000 sq mi) onshore, underlying the southernmost
1533:
of Brazil to the north, the
Colorado Basin is not producing hydrocarbons. The first wells in the northern onshore part of the basin were drilled in 1946 (Pedro Luro-1) and 1948 (Ombucta-1) by
571:. The offshore extension of the basin into neighboring basins led to different definitions of its area, some authors use a surface area of 125,000 square kilometres (48,000 sq mi).
359:. The basin stretches across an area of approximately 180,000 square kilometres (69,000 sq mi), of which 37,000 square kilometres (14,000 sq mi) onshore in the southern
2812:
2763:
Análisis paleoambiental del miembro superior de la
Formación Río Negro (Mioceno-Plioceno de Patagonia septentrional): un ejemplo de interacción fluvio-eólica compleja (BSc. thesis)
2675:
3045:
2805:
2283:
618:
1419:, ranging from 10 to 9 million years ago. The formation contains many mammal species, birds and reptiles. The Cerro Azul Formation contains fossils of the
2237:
2571:
2259:
3144:
3139:
2397:, sp. nov., a new lagostomine rodent (Caviomorpha, Chinchillidae) from the Arroyo Chasicó Formation (late Miocene; Buenos Aires Province, Argentina)"
2343:"Diversity, phylogeny and biogeography of the South American 'cardiomyine' rodents (Hystricognathi, Cavioidea) with a description of two new species"
3134:
3091:
2798:
2443:
2990:
77:
3154:
3095:
2781:
702:. A transgression in the Permian led to the deposition of the Piedra Azul Formation. The succession contains several hiatuses, dating to the
2113:
Palinoestratigrafía del
Paleozoico Superior de la Cuenca Colorado, República Argentina, y su correlación con áreas relacionadas (PhD thesis)
398:
46:
2727:"Estratigrafía y paleontología del Cenozoico marino del Gran Bajo y Salinas del Gualicho, Argentina, y descripción de 17 especies nuevas"
3129:
614:
Pangea in the
Permian (~250 Ma). The Colorado Basin experiences glaciations and a marine transgressive phase in the south polar region.
2865:
2704:
Evolución de los
Balaenidae (Mammalia, Cetacea, Mysticeti) del Mioceno de Patagonia: Sistemática, Filogenia y Aspectos Paleobiológicos
2401:
2282:
Etcheverría, Mariela P.; Folguera, Alicia; Dal Molin, Carlos Nelson; Dalponte, Marcelo Raúl; Ferro, Georgina; Franchi, Mario (2006),
2150:"Dinoflagelados del Eoceno Medio a Superior de las Cuencas Punta del Este y Colorado, latitudes medias del Atlántico Sudoccidental"
579:
575:
181:
3062:
2258:
Etcheverría, Mariela P.; Folguera, Alicia; Miranda, Fernando; Faroux, Abel J.; Getino, Pablo R.; Dalponte, Marcelo Raúl (2009),
2770:
2711:
2116:
20:
1381:
1416:
413:
2228:
1972:
563:
to the north. The offshore part of the
Colorado Basin laterally correlates with and gradually ranges into the sub-parallel
3149:
2539:
1917:
1143:
750:
489:
2157:
2860:
70:
2702:
2315:"A new species of Peltephilidae (Mammalia: Xenarthra: Cingulata) from the late Miocene (Chasicoan SALMA) of Argentina"
511:
433:
2948:
1901:
1598:
971:
776:
2126:"Geodinámica de las cuencas sedimentarias: su importancia en la localización de sistemas petroleros en la Argentina"
2485:
545:
246:
112:
2204:
2628:"Biostratigraphy and biochronology of the Late Miocene of central Argentina: Evidence from rodents and taphonomy"
2666:
Visconti, Graciela; Melchor, Ricardo N.; Montalvo, Claudia I.; Umazano, Aldo M.; De
Elorriaga, Elena E. (2010),
2439:"Geology and geochronology of type Chasicoan (late Miocene) mammal-bearing deposits of Buenos Aires (Argentina)"
3124:
3044:Álvarez Pontoriero, O.; Giménez, M.; Braitemberg, C.; Martínez, M.; Ruíz, F.; Introcaso, A.; Guspí, F. (2011).
2917:
2486:"Los marsupiales (Mammalia) del Mioceno superior de la Formación Cerro Azul (Provincia de La Pampa, Argentina)"
826:
2596:(Rodentia, Echimyidae) from the Late Miocene of central Argentina and the evolutionary pattern of the lineage"
2149:
1406:
1023:
946:
784:
772:
549:
406:
242:
2927:
2347:
2070:
1351:
1338:
659:
648:
3013:
2922:
1325:
663:
2490:
1105:
754:
500:
2437:
Zárate, Marcelo A.; Schultz, Peter H.; Blasi, Adriana; Heil, Clifford; King, John; Hames, Willis (2007),
2313:
González Ruiz, Laureano R.; Scillato Yané, Gustavo J.; Krmpotic, Cecilia M.; Carlini, Alfredo A. (2012),
1469:
877:
780:
446:
2958:
2953:
2591:
1603:
1522:
521:
473:
360:
140:
2668:"Análisis litoestratigráfico de la Formación Cerro Azul (Mioceno Superior) en la Provincia de La Pampa"
1277:
675:
583:
525:
364:
144:
3028:
2526:
Madozzo Jaén, M. Carolina; Pérez, M. Encarnación; Montalvo, Claudia I.; Tomassini, Rodrigo L. (2018),
2438:
1309:
1216:
1064:
765:
734:
667:
3119:
3008:
2875:
2845:
2641:
2452:
2356:
1501:
1455:
1391:
1361:
1282:
918:
788:
671:
651:
568:
560:
441:
417:
390:
tectonic phase of the basin history. The
Mesozoic rifting in the basin resulted from the break-up of
279:
186:
2968:
2902:
2885:
2880:
595:
591:
195:
2840:
1585:
1356:
1228:
1162:
655:
533:
485:
3023:
2973:
2907:
2870:
2761:
2527:
1449:
564:
2212:
2133:
1436:
1424:
1366:
587:
298:
191:
1464:
1547:
1538:
1430:
1386:
923:
882:
799:
352:
3099:
3047:
Principales cuencas sedimentarias de Argentina, interpretadas mediante Gravimetría Satelital
2963:
2943:
2649:
2609:
2507:
2499:
2460:
2418:
2410:
2372:
2364:
2166:
2125:
2092:
2084:
1608:
1526:
644:
599:
477:
379:
344:
303:
258:
200:
2785:
1537:. Another phase of onshore exploration happened in the 1960s, with seven wells drilled by
1248:
1098:
791:, cropping out in the northern onshore part of the basin. This sequence is covered by the
738:
632:
274:
2890:
783:. The Late Miocene succession in the westernmost area of the basin is represented by the
529:
154:
2726:
2645:
2558:
Scillato Yané, Gustavo Juan; Krmpotic, Cecilia Mariana; Esteban, Graciela Irene (2010),
2456:
2360:
2314:
3018:
2734:
2667:
1571:
1506:
1258:
1091:
870:
857:
758:
707:
695:
387:
368:
263:
232:
2559:
690:
deposits in the basin. These deposits were mostly sourced from the African basin, the
3113:
2627:
2392:
2342:
1593:
1304:
1126:
1057:
636:
624:
2184:
2148:
Daners, Gloria; Guerstein, G. Raquel; Amenábar, Cecilia R.; Morales, Ethel (2016),
1565:
1530:
1410:
1272:
1081:
1009:
900:
469:
402:
314:
2790:
2653:
2414:
686:, the Colorado Basin was located in the south polar region, causing a sequence of
2613:
2464:
2341:
Pérez, María Encarnación; Deschamps, Cecilia M.; Vucetich, María Guiomar (2018),
2912:
2895:
2600:
2088:
2075:
1976:
1921:
1905:
1551:
1477:
1316:
1295:
1232:
1050:
995:
911:
691:
481:
462:
454:
394:
and the formation of the South Atlantic. Long hiatuses exist in the succession.
1505:. The Eocene succession in boreholes of the basin has provided many species of
643:
and the formation of the Southern Atlantic. The main rifting took place in the
2855:
1561:
1473:
1192:
951:
845:
699:
450:
383:
307:
267:
2503:
92:
79:
3050:. VIII Congreso de Exploración y Desarrollo de Hidrocarburos. pp. 13–20
1489:
1445:
1413:
1241:
1178:
1171:
1136:
1117:
1040:
938:
907:
762:
726:
715:
683:
553:
541:
497:
493:
425:
410:
356:
326:
130:
806:
Río Negro Formation, outcropping in a thin band along the eponymous river.
416:
and contains a rich mammal and other vertebrate fauna. The contemporaneous
2532:
from the Neogene of Argentina: Phylogenetic and evolutionary implications"
2170:
2230:
Tectosedimentary characterization of the oil producer basins in Argentina
1542:
1493:
1265:
1185:
1148:
1002:
988:
851:
796:
742:
722:
703:
586:, separating the basin from the Claromecó Basin, and to the south by the
2512:
468:
Contrasting with the South Atlantic passive margin basins to the north (
2632:
2423:
2377:
2322:
2292:
2268:
2097:
1509:, and in the Permian sequence 131 species of spores, algae, funghi and
1497:
1485:
1460:
1398:
1152:
1016:
886:
803:
792:
769:
746:
687:
679:
610:
437:
429:
375:
286:
2368:
1510:
1420:
1402:
1209:
1199:
964:
730:
711:
640:
537:
421:
391:
291:
158:
2261:
Hojas Geológicas 3963-III y IV Colonia Juliá y Echarren y Pedro Luro
2071:"Palinología del Pérmico de la Cuenca Claromecó-Colorado, Argentina"
757:. The later Cenozoic succession is characteristic of a terrestrial
698:. The Early Permian sediments are characterized by the presence of
725:
succession is missing, and the main rifting phase happened in the
617:
609:
515:
View of Viedma and Carmen de Patagones, separated by the Río Negro
510:
459:
2590:
Sostillo, Renata; Montalvo, Claudia I.; Verzi, Diego H. (2014),
2794:
3068:
1534:
2285:
Hojas Geológicas 4163 - II/IV y I/III Viedma y General Conesa
374:
The basin comprises a sedimentary succession dating from the
2205:"Situación de las cuencas marinas de la República Argentina"
1521:
Contrary to other Southern Atlantic marginal basins, as the
544:. The onshore part of the basin is crossed by the eponymous
1484:
The marine Gran Bajo de Gualicho Formation contains many
779:. This formation in most of the basin is overlain by the
397:
The basin is of paleontological significance for hosting
2626:
Verzi, D.H.; Montalvo, C.I.; Deschamps, C.M. (2008),
1834:
1832:
1813:
1811:
1252:
1085:
1044:
540:
in Río Negro Province, the earliest founded city in
3037:
3001:
2936:
2833:
2826:
1879:
1877:
1737:
1735:
1647:
1645:
1643:
1641:
1639:
1637:
1635:
733:, around 120 million years ago, represented in the
647:. The pre-rift sequence of the basin comprises the
458:. The Permian succession in the basin has provided
325:
313:
297:
285:
273:
257:
252:
238:
228:
223:
215:
207:
177:
169:
164:
150:
136:
118:
108:
69:
28:
1789:
1787:
1801:
1799:
1716:
1714:
1867:
1865:
1805:Geologic Map Hojas 3963-III & IV, 2009, p.39
1729:Geologic Map Hojas 3963-III & IV, 2009, p.42
574:The Colorado Basin is bound to the north by the
2484:Goin, F.J.; Montalvo, C.; Visconti, G. (2000),
2391:Rasia, Luciano L.; Candela, Adriana M. (2016),
1871:Geologic Map Hojas 3963-III & IV, 2009, p.8
1855:
1853:
1847:Geologic Map Hojas 3963-III & IV, 2009, p.5
1629:Geologic Map Hojas 4163-II/IV & I/III, 2006
559:Some authors group the basin together with the
594:. In the northwest, the basin grades into the
2806:
737:. The post-rift sag stage dates to the early
8:
2676:Revista de la Asociación Geológica Argentina
2124:Barredo, Silvia P.; Stinco, Luis P. (2010),
1932:
1930:
1777:
1775:
1773:
1771:
1769:
1767:
1765:
1625:
1623:
1677:
1675:
2830:
2813:
2799:
2791:
598:and the western boundary is formed by the
484:are found in the Permian succession, with
2511:
2422:
2376:
2096:
219:~180,000 km (69,000 sq mi)
2444:Journal of South American Earth Sciences
1380:
1291:
1236:
1203:
1166:
1130:
983:
978:
895:
890:
849:
813:
753:. The drift stage is represented by the
552:rivers. Surrounding the Río Negro, many
2572:Revista Mexicana de Ciencias Geológicas
1619:
1541:. Offshore drilling started in 1970 by
2564:Scillato-Yané (Eutatini, Dasypodidae)"
2192:, Energía Argentina S.A, pp. 1–13
53:
25:
7:
2158:Revista Brasileira de Paleontologia
436:contains vertebrate fossils of the
2861:Iglesia-Calingasta-Uspallata Basin
2402:Journal of Vertebrate Paleontology
2186:Geología de la Cuenca del Colorado
1409:is the defining formation for the
61:Location of the basin in Argentina
14:
775:, and the Middle to Late Miocene
741:leading to the deposition of the
631:The basin started forming in the
399:fossiliferous stratigraphic units
319:
3140:Geology of Buenos Aires Province
3098:
3087:
3086:
2989:
2771:Universidad Nacional de La Pampa
2712:Universidad Nacional de La Plata
2695:Gran Bajo del Gualicho Formation
2117:Universidad Nacional de La Plata
1945:Madozzo Jaén et al., 2018, p.250
1883:Scillato Yané et al., 2010, p.51
1793:Barredo & Stinco, 2010, p.52
1720:Barredo & Stinco, 2010, p.60
1578:
1564:
434:Gran Bajo del Gualicho Formation
123:
52:
45:
3135:Sedimentary basins of Argentina
2866:Ischigualasto-Villa Unión Basin
2821:Sedimentary basins of Argentina
777:Gran Bajo de Gualicho Formation
472:in southern Brazil) and south;
1417:South American land mammal age
528:. Cities inside the basin are
414:South American land mammal age
1:
3155:Geology of the Atlantic Ocean
3145:Geology of Río Negro Province
3064:Mapa de cuencas sedimentarias
2654:10.1016/j.geobios.2006.09.005
2540:Acta Palaeontologica Polonica
2415:10.1080/02724634.2017.1239205
1401:onshore have provided a rich
536:in Buenos Aires Province and
432:. The Middle to Late Miocene
16:Argentinian sedimentary basin
2725:Reichler, Valeria A (2010),
2614:10.5710/AMGH.24.04.2014.2741
2465:10.1016/j.jsames.2006.09.018
2227:Rossello, Eduardo A (2016),
1838:Visconti et al., 2010, p.259
1502:Preaulophyseter gualichensis
1472:has provided fossils of the
1377:Paleontological significance
1370:
1346:
1333:
1320:
1299:
1292:1,500 m (4,900 ft)
1121:
1076:
1035:
1030:
959:
932:
927:
865:
449:has provided fossils of the
442:Preaulophyseter gualichensis
2203:Pucci, Juan Carlos (2006),
2111:Balarino, M. Lucía (2009),
2069:Balarino, M. Lucía (2012),
1468:, among other mammals. The
1456:Macrochorobates scalabrinii
3171:
3130:Mesozoic rifts and grabens
2006:Daners et al., 2016, p.293
1988:Reichler, 2010, pp.191-192
1690:Daners et al., 2016, p.285
891:480 m (1,570 ft)
856:
761:setting and comprises the
556:are present in the basin.
367:extending offshore in the
211:South Atlantic rift basins
18:
3084:
2984:
2918:Santa María-Hualfín Basin
1365:
1303:
1288:
1276:
1227:
1225:
1222:
1220:
1215:
1213:
1161:
1159:
1156:
1147:
1142:
1140:
981:
975:
970:
968:
893:
881:
876:
874:
524:and the southeasternmost
40:
33:
2701:Buono, Mónica R (2013),
2504:10.3989/egeol.00561-2158
2395:Lagostomus telenkechanum
2307:Arroyo Chasicó Formation
1963:Goin et al., 2000, p.108
1407:Arroyo Chasicó Formation
1031:300 m (980 ft)
928:180 m (590 ft)
773:Barranca Final Formation
567:and the deeper offshore
407:Arroyo Chasicó Formation
355:located in northeastern
2928:Valle de La Rioja Basin
2760:Pérez, Mariano (2012),
2348:Papers in Palaeontology
2089:10.5710/AMGH.v49i3(462)
1397:The Miocene formations
979:57 m (187 ft)
2827:Onshore & offshore
2560:"The species of genus
2528:"Systematic review of
1450:Chasicotatus ameghinoi
1425:Chasichimys bonaerense
1394:
628:
615:
516:
348:
3060:
3042:
3014:Colorado Marina Basin
2959:Golfo San Jorge Basin
2949:Cañadón Asfalto Basin
2923:Tucumán-Salinas Basin
2171:10.4072/rbp.2016.2.11
2024:Rossello, 2016, p.175
2015:Balarino, 2012, p.343
1954:Sostillo et al., 2014
1826:Reichler, 2010, p.183
1817:Reichler, 2010, p.192
1651:Balarino, 2012, p.344
1604:Golfo San Jorge Basin
1599:Cañadón Asfalto Basin
1517:Petroleum exploration
1478:Plohophorus figuratus
1437:Reigechimys plesiodon
1384:
972:Gran Bajo de Gualicho
789:Cerro Azul Formations
639:with the break-up of
621:
613:
522:Buenos Aires Province
514:
455:Plohophorus figuratus
378:(pre-rift stage) and
361:Buenos Aires Province
3150:Geology of Patagonia
2478:Cerro Azul Formation
1759:Balarino, 2009, p.23
1750:Balarino, 2009, p.22
1741:Balarino, 2009, p.24
1699:Balarino, 2009, p.20
1392:Cerro Azul Formation
755:Pedro Luro Formation
580:Sierra de la Ventana
501:Pedro Luro Formation
496:are provided by the
420:has provided fossil
418:Cerro Azul Formation
382:(rift stage) to the
369:South Atlantic Ocean
363:and the easternmost
19:For other uses, see
2754:Río Negro Formation
2646:2008Geobi..41..145V
2491:Estudios Geológicos
2457:2007JSAES..23...81Z
2361:2018PPal....4....1P
1892:Zárate et al., 2007
1586:Paleontology portal
1470:Río Negro Formation
781:Río Negro Formation
534:Carmen de Patagones
447:Río Negro Formation
386:, representing the
349:Cuenca del Colorado
145:Río Negro Provinces
89: /
35:Cuenca del Colorado
2954:El Tranquilo Basin
2784:2018-09-10 at the
2592:"A new species of
1936:Verzi et al., 2008
1529:to the south, and
1395:
751:Colorado Formation
682:. During the late
629:
616:
526:Río Negro Province
517:
490:Colorado Formation
365:Río Negro Province
292:Break-up of Pangea
3107:
3106:
2982:
2981:
2369:10.1002/spp2.1095
2051:Pucci, 2006, p.18
2042:ENARSA, s.a., p.5
2033:ENARSA, s.a., p.8
1997:Buono, 2013, p.36
1781:ENARSA, s.a., p.4
1708:ENARSA, s.a., p.1
1681:ENARSA, s.a., p.2
1669:ENARSA, s.a., p.3
1660:Pucci, 2006, p.17
1513:were registered.
1496:fossils, and the
1431:Neocavia pampeana
1387:Neocavia pampeana
1374:
1373:
837:Petroleum geology
834:Maximum thickness
749:sediments of the
676:Pillahuincó Group
584:Sierras Australes
353:sedimentary basin
337:
336:
93:41.500°S 61.000°W
3162:
3102:
3090:
3089:
3079:
3077:
3076:
3058:
3056:
3055:
3029:San Julián Basin
2993:
2831:
2815:
2808:
2801:
2792:
2780:
2779:
2778:
2768:
2749:
2748:
2747:
2731:
2721:
2720:
2719:
2714:, pp. 1–232
2709:
2690:
2689:
2688:
2672:
2662:
2661:
2660:
2622:
2621:
2620:
2586:
2585:
2584:
2568:
2554:
2553:
2552:
2536:
2522:
2521:
2520:
2515:
2498:(1–2): 101–126,
2473:
2472:
2471:
2433:
2432:
2431:
2426:
2387:
2386:
2385:
2380:
2337:
2336:
2335:
2319:
2302:
2301:
2300:
2290:
2278:
2277:
2276:
2266:
2247:
2246:
2245:
2240:, pp. 1–192
2235:
2223:
2222:
2221:
2209:
2199:
2198:
2197:
2191:
2179:
2178:
2177:
2154:
2144:
2143:
2142:
2130:
2120:
2119:, pp. 1–566
2107:
2106:
2105:
2100:
2052:
2049:
2043:
2040:
2034:
2031:
2025:
2022:
2016:
2013:
2007:
2004:
1998:
1995:
1989:
1986:
1980:
1970:
1964:
1961:
1955:
1952:
1946:
1943:
1937:
1934:
1925:
1915:
1909:
1899:
1893:
1890:
1884:
1881:
1872:
1869:
1860:
1859:Pérez, 2010, p.7
1857:
1848:
1845:
1839:
1836:
1827:
1824:
1818:
1815:
1806:
1803:
1794:
1791:
1782:
1779:
1760:
1757:
1751:
1748:
1742:
1739:
1730:
1727:
1721:
1718:
1709:
1706:
1700:
1697:
1691:
1688:
1682:
1679:
1670:
1667:
1661:
1658:
1652:
1649:
1630:
1627:
1588:
1583:
1582:
1581:
1574:
1569:
1568:
1465:Zygolestes tatei
814:
735:Fortín Formation
678:, dating to the
672:Tunas Formations
645:Early Cretaceous
600:San Rafael Block
380:Early Cretaceous
304:Early Cretaceous
201:San Rafael Block
129:
127:
126:
104:
103:
101:
100:
99:
98:-41.500; -61.000
94:
90:
87:
86:
85:
82:
56:
55:
49:
26:
3170:
3169:
3165:
3164:
3163:
3161:
3160:
3159:
3125:Passive margins
3110:
3109:
3108:
3103:
3080:
3074:
3072:
3061:
3059:
3053:
3051:
3043:
3033:
3009:Argentina Basin
2997:
2996:
2995:
2994:
2978:
2932:
2876:Laboulaye Basin
2846:Claromecó Basin
2834:Northern Region
2822:
2819:
2786:Wayback Machine
2776:
2774:
2773:, pp. 1–47
2766:
2759:
2745:
2743:
2729:
2724:
2717:
2715:
2707:
2700:
2686:
2684:
2670:
2665:
2658:
2656:
2625:
2618:
2616:
2589:
2582:
2580:
2566:
2557:
2550:
2548:
2534:
2525:
2518:
2516:
2483:
2469:
2467:
2436:
2429:
2427:
2409:(1): e1239205,
2390:
2383:
2381:
2340:
2333:
2331:
2317:
2312:
2298:
2296:
2288:
2281:
2274:
2272:
2271:, pp. 1–61
2264:
2257:
2243:
2241:
2233:
2226:
2219:
2217:
2207:
2202:
2195:
2193:
2189:
2182:
2175:
2173:
2152:
2147:
2140:
2138:
2128:
2123:
2110:
2103:
2101:
2068:
2060:
2055:
2050:
2046:
2041:
2037:
2032:
2028:
2023:
2019:
2014:
2010:
2005:
2001:
1996:
1992:
1987:
1983:
1971:
1967:
1962:
1958:
1953:
1949:
1944:
1940:
1935:
1928:
1916:
1912:
1900:
1896:
1891:
1887:
1882:
1875:
1870:
1863:
1858:
1851:
1846:
1842:
1837:
1830:
1825:
1821:
1816:
1809:
1804:
1797:
1792:
1785:
1780:
1763:
1758:
1754:
1749:
1745:
1740:
1733:
1728:
1724:
1719:
1712:
1707:
1703:
1698:
1694:
1689:
1685:
1680:
1673:
1668:
1664:
1659:
1655:
1650:
1633:
1628:
1621:
1617:
1584:
1579:
1577:
1570:
1563:
1560:
1523:Golfo San Jorge
1519:
1507:dinoflagellates
1379:
1249:Middle Jurassic
1231:
1099:Early Paleocene
831:Tectonic regime
812:
739:Late Cretaceous
696:Kalahari Basins
652:Lolén Formation
608:
606:Basin evolution
569:Argentina Basin
561:Claromecó Basin
509:
498:Early Paleocene
486:reservoir rocks
474:Golfo San Jorge
247:Colorado Rivers
199:
190:
187:Argentina Basin
185:
165:Characteristics
124:
122:
97:
95:
91:
88:
83:
80:
78:
76:
75:
65:
64:
63:
62:
59:
58:
57:
24:
17:
12:
11:
5:
3168:
3166:
3158:
3157:
3152:
3147:
3142:
3137:
3132:
3127:
3122:
3112:
3111:
3105:
3104:
3085:
3082:
3081:
3041:
3039:
3035:
3034:
3032:
3031:
3026:
3021:
3019:Malvinas Basin
3016:
3011:
3005:
3003:
2999:
2998:
2988:
2987:
2986:
2985:
2983:
2980:
2979:
2977:
2976:
2971:
2969:Ñirihuau Basin
2966:
2961:
2956:
2951:
2946:
2940:
2938:
2934:
2933:
2931:
2930:
2925:
2920:
2915:
2910:
2905:
2903:Pipanaco Basin
2900:
2899:
2898:
2888:
2886:Mercedes Basin
2883:
2881:Macachín Basin
2878:
2873:
2868:
2863:
2858:
2853:
2851:Colorado Basin
2848:
2843:
2837:
2835:
2828:
2824:
2823:
2820:
2818:
2817:
2810:
2803:
2795:
2789:
2788:
2756:
2755:
2751:
2750:
2735:Andean Geology
2722:
2697:
2696:
2692:
2691:
2663:
2623:
2608:(4): 284–294,
2587:
2555:
2523:
2480:
2479:
2475:
2474:
2434:
2388:
2338:
2309:
2308:
2304:
2303:
2279:
2254:
2253:
2249:
2248:
2224:
2216:, Abril: 16–26
2200:
2180:
2165:(2): 283–302,
2145:
2137:, Abril: 48–68
2121:
2108:
2083:(3): 343–364,
2065:
2064:
2059:
2056:
2054:
2053:
2044:
2035:
2026:
2017:
2008:
1999:
1990:
1981:
1965:
1956:
1947:
1938:
1926:
1918:Arroyo Chasicó
1910:
1894:
1885:
1873:
1861:
1849:
1840:
1828:
1819:
1807:
1795:
1783:
1761:
1752:
1743:
1731:
1722:
1710:
1701:
1692:
1683:
1671:
1662:
1653:
1631:
1618:
1616:
1613:
1612:
1611:
1606:
1601:
1596:
1590:
1589:
1575:
1572:Geology portal
1559:
1556:
1527:Austral Basins
1518:
1515:
1378:
1375:
1372:
1371:
1369:
1364:
1359:
1354:
1348:
1347:
1345:
1343:
1341:
1335:
1334:
1332:
1330:
1328:
1322:
1321:
1319:
1314:
1312:
1307:
1301:
1300:
1298:
1293:
1290:
1287:
1285:
1280:
1275:
1269:
1268:
1262:
1261:
1259:Early Jurassic
1255:
1254:
1251:
1245:
1244:
1238:
1237:
1235:
1226:
1224:
1221:
1219:
1214:
1212:
1206:
1205:
1202:
1196:
1195:
1189:
1188:
1182:
1181:
1175:
1174:
1168:
1167:
1165:
1160:
1158:
1155:
1146:
1141:
1139:
1133:
1132:
1129:
1123:
1122:
1120:
1115:
1113:
1110:
1108:
1103:
1101:
1095:
1094:
1092:Late Paleocene
1088:
1087:
1084:
1078:
1077:
1075:
1073:
1071:
1069:
1067:
1062:
1060:
1054:
1053:
1047:
1046:
1043:
1037:
1036:
1034:
1032:
1029:
1026:
1024:Barranca Final
1021:
1019:
1013:
1012:
1006:
1005:
999:
998:
992:
991:
985:
984:
982:
980:
977:
976:Shallow marine
974:
969:
967:
961:
960:
958:
956:
954:
949:
947:Arroyo Chasicó
944:
942:
934:
933:
931:
929:
926:
921:
916:
914:
904:
903:
897:
896:
894:
892:
889:
880:
875:
873:
871:Early Pliocene
867:
866:
864:
862:
860:
858:Passive margin
855:
848:
842:
841:
838:
835:
832:
829:
824:
821:
818:
811:
808:
797:Early Pliocene
785:Arroyo Chasicó
770:Middle Miocene
759:passive margin
708:Early Jurassic
607:
604:
596:Macachín Basin
592:Río Negro High
508:
505:
478:Austral Basins
401:dating to the
388:passive margin
341:Colorado Basin
335:
334:
329:
323:
322:
317:
311:
310:
301:
295:
294:
289:
283:
282:
280:South American
277:
271:
270:
264:Passive margin
261:
255:
254:
250:
249:
240:
236:
235:
233:South Atlantic
230:
226:
225:
221:
220:
217:
213:
212:
209:
205:
204:
196:Río Negro High
179:
175:
174:
171:
167:
166:
162:
161:
152:
148:
147:
138:
134:
133:
120:
116:
115:
113:Colorado River
110:
106:
105:
73:
67:
66:
60:
51:
50:
44:
43:
42:
41:
38:
37:
31:
30:
29:Colorado Basin
21:Colorado Basin
15:
13:
10:
9:
6:
4:
3:
2:
3167:
3156:
3153:
3151:
3148:
3146:
3143:
3141:
3138:
3136:
3133:
3131:
3128:
3126:
3123:
3121:
3118:
3117:
3115:
3101:
3097:
3093:
3083:
3070:
3066:
3065:
3049:
3048:
3040:
3036:
3030:
3027:
3025:
3022:
3020:
3017:
3015:
3012:
3010:
3007:
3006:
3004:
3000:
2992:
2975:
2972:
2970:
2967:
2965:
2964:Neuquén Basin
2962:
2960:
2957:
2955:
2952:
2950:
2947:
2945:
2944:Austral Basin
2942:
2941:
2939:
2935:
2929:
2926:
2924:
2921:
2919:
2916:
2914:
2911:
2909:
2906:
2904:
2901:
2897:
2894:
2893:
2892:
2889:
2887:
2884:
2882:
2879:
2877:
2874:
2872:
2869:
2867:
2864:
2862:
2859:
2857:
2854:
2852:
2849:
2847:
2844:
2842:
2841:Bermejo Basin
2839:
2838:
2836:
2832:
2829:
2825:
2816:
2811:
2809:
2804:
2802:
2797:
2796:
2793:
2787:
2783:
2772:
2765:
2764:
2758:
2757:
2753:
2752:
2741:
2737:
2736:
2728:
2723:
2713:
2706:
2705:
2699:
2698:
2694:
2693:
2682:
2678:
2677:
2669:
2664:
2655:
2651:
2647:
2643:
2639:
2635:
2634:
2629:
2624:
2615:
2611:
2607:
2603:
2602:
2597:
2595:
2588:
2578:
2574:
2573:
2565:
2563:
2556:
2546:
2542:
2541:
2533:
2531:
2524:
2514:
2509:
2505:
2501:
2497:
2493:
2492:
2487:
2482:
2481:
2477:
2476:
2466:
2462:
2458:
2454:
2450:
2446:
2445:
2440:
2435:
2425:
2420:
2416:
2412:
2408:
2404:
2403:
2398:
2396:
2389:
2379:
2374:
2370:
2366:
2362:
2358:
2354:
2350:
2349:
2344:
2339:
2329:
2325:
2324:
2316:
2311:
2310:
2306:
2305:
2294:
2287:
2286:
2280:
2270:
2263:
2262:
2256:
2255:
2252:Geologic maps
2251:
2250:
2239:
2232:
2231:
2225:
2215:
2214:
2206:
2201:
2188:
2187:
2181:
2172:
2168:
2164:
2160:
2159:
2151:
2146:
2136:
2135:
2127:
2122:
2118:
2114:
2109:
2099:
2094:
2090:
2086:
2082:
2078:
2077:
2072:
2067:
2066:
2062:
2061:
2057:
2048:
2045:
2039:
2036:
2030:
2027:
2021:
2018:
2012:
2009:
2003:
2000:
1994:
1991:
1985:
1982:
1978:
1974:
1973:Punta Bermeja
1969:
1966:
1960:
1957:
1951:
1948:
1942:
1939:
1933:
1931:
1927:
1923:
1919:
1914:
1911:
1907:
1903:
1898:
1895:
1889:
1886:
1880:
1878:
1874:
1868:
1866:
1862:
1856:
1854:
1850:
1844:
1841:
1835:
1833:
1829:
1823:
1820:
1814:
1812:
1808:
1802:
1800:
1796:
1790:
1788:
1784:
1778:
1776:
1774:
1772:
1770:
1768:
1766:
1762:
1756:
1753:
1747:
1744:
1738:
1736:
1732:
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1723:
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1715:
1711:
1705:
1702:
1696:
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1687:
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1678:
1676:
1672:
1666:
1663:
1657:
1654:
1648:
1646:
1644:
1642:
1640:
1638:
1636:
1632:
1626:
1624:
1620:
1614:
1610:
1609:Austral Basin
1607:
1605:
1602:
1600:
1597:
1595:
1594:Pelotas Basin
1592:
1591:
1587:
1576:
1573:
1567:
1562:
1557:
1555:
1553:
1549:
1544:
1540:
1536:
1532:
1528:
1524:
1516:
1514:
1512:
1508:
1504:
1503:
1499:
1495:
1491:
1487:
1482:
1480:
1479:
1475:
1471:
1467:
1466:
1462:
1458:
1457:
1452:
1451:
1447:
1443:
1439:
1438:
1433:
1432:
1427:
1426:
1422:
1418:
1415:
1412:
1408:
1404:
1400:
1393:
1389:
1388:
1383:
1376:
1368:
1363:
1360:
1358:
1355:
1353:
1352:Pennsylvanian
1350:
1349:
1344:
1342:
1340:
1337:
1336:
1331:
1329:
1327:
1324:
1323:
1318:
1315:
1313:
1311:
1308:
1306:
1305:Early Permian
1302:
1297:
1294:
1286:
1284:
1281:
1279:
1274:
1271:
1270:
1267:
1264:
1263:
1260:
1257:
1256:
1250:
1247:
1246:
1243:
1240:
1239:
1234:
1230:
1218:
1211:
1208:
1207:
1201:
1198:
1197:
1194:
1191:
1190:
1187:
1184:
1183:
1180:
1177:
1176:
1173:
1170:
1169:
1164:
1154:
1150:
1145:
1138:
1135:
1134:
1128:
1127:Maastrichtian
1125:
1124:
1119:
1116:
1114:
1111:
1109:
1107:
1104:
1102:
1100:
1097:
1096:
1093:
1090:
1089:
1083:
1080:
1079:
1074:
1072:
1070:
1068:
1066:
1063:
1061:
1059:
1058:Middle Eocene
1056:
1055:
1052:
1049:
1048:
1042:
1039:
1038:
1033:
1027:
1025:
1022:
1020:
1018:
1015:
1014:
1011:
1008:
1007:
1004:
1001:
1000:
997:
994:
993:
990:
987:
986:
973:
966:
963:
962:
957:
955:
953:
950:
948:
945:
943:
941:
940:
936:
935:
930:
925:
922:
920:
917:
915:
913:
909:
906:
905:
902:
899:
898:
888:
884:
879:
872:
869:
868:
863:
861:
859:
854:
853:
847:
844:
843:
839:
836:
833:
830:
828:
825:
822:
819:
816:
815:
809:
807:
805:
801:
798:
794:
790:
786:
782:
778:
774:
771:
767:
764:
760:
756:
752:
748:
744:
740:
736:
732:
728:
724:
719:
717:
713:
709:
705:
701:
697:
693:
689:
685:
681:
677:
673:
669:
665:
661:
657:
656:Ventana Group
653:
650:
649:Pennsylvanian
646:
642:
638:
637:Late Jurassic
634:
626:
625:Maastrichtian
620:
612:
605:
603:
601:
597:
593:
589:
585:
581:
577:
576:Ventania High
572:
570:
566:
562:
557:
555:
551:
547:
543:
539:
535:
531:
527:
523:
513:
506:
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491:
487:
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479:
475:
471:
466:
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461:
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456:
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448:
444:
443:
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435:
431:
427:
423:
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415:
412:
408:
404:
400:
395:
393:
389:
385:
381:
377:
372:
370:
366:
362:
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354:
350:
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342:
333:
330:
328:
324:
321:
318:
316:
312:
309:
305:
302:
300:
296:
293:
290:
288:
284:
281:
278:
276:
272:
269:
265:
262:
260:
256:
251:
248:
244:
241:
237:
234:
231:
227:
222:
218:
214:
210:
206:
202:
197:
193:
188:
183:
182:Ventania High
180:
176:
172:
168:
163:
160:
156:
153:
149:
146:
142:
139:
135:
132:
121:
117:
114:
111:
107:
102:
74:
72:
68:
48:
39:
36:
32:
27:
22:
3073:. Retrieved
3063:
3052:. Retrieved
3046:
3024:Rawson Basin
2974:Valdés Basin
2908:Salado Basin
2891:Paraná Basin
2871:Jocolí Basin
2850:
2775:, retrieved
2762:
2744:, retrieved
2739:
2733:
2716:, retrieved
2703:
2685:, retrieved
2680:
2674:
2657:, retrieved
2637:
2631:
2617:, retrieved
2605:
2599:
2593:
2581:, retrieved
2576:
2570:
2562:Chasicotatus
2561:
2549:, retrieved
2544:
2538:
2529:
2517:, retrieved
2513:11336/108700
2495:
2489:
2468:, retrieved
2451:(1): 81–90,
2448:
2442:
2428:, retrieved
2406:
2400:
2394:
2382:, retrieved
2352:
2346:
2332:, retrieved
2327:
2321:
2297:, retrieved
2284:
2273:, retrieved
2260:
2242:, retrieved
2229:
2218:, retrieved
2211:
2194:, retrieved
2185:
2174:, retrieved
2162:
2156:
2139:, retrieved
2132:
2112:
2102:, retrieved
2080:
2074:
2058:Bibliography
2047:
2038:
2029:
2020:
2011:
2002:
1993:
1984:
1968:
1959:
1950:
1941:
1913:
1897:
1888:
1843:
1822:
1755:
1746:
1725:
1704:
1695:
1686:
1665:
1656:
1531:Santos Basin
1520:
1500:
1483:
1476:
1463:
1454:
1448:
1441:
1435:
1429:
1423:
1411:Late Miocene
1399:cropping out
1396:
1385:
1339:Sauce Grande
1273:Late Permian
1082:Early Eocene
1010:Santacrucian
937:
901:Late Miocene
850:
810:Stratigraphy
793:Late Miocene
720:
660:Sauce Grande
630:
573:
565:Salado Basin
558:
530:Bahía Blanca
518:
482:source rocks
470:Santos Basin
467:
463:microfossils
453:
440:
409:defines the
403:Late Miocene
396:
373:
340:
338:
331:
320:Stratigraphy
315:Stratigraphy
155:Bahía Blanca
141:Buenos Aires
34:
3120:Rift basins
3071:. p. 1
2913:Salta Basin
2896:Chaco Basin
2640:: 145–155,
2601:Ameghiniana
2594:Reigechimys
2424:11336/72389
2378:11336/42361
2355:(1): 1–19,
2295:, p. 1
2238:GFZ Potsdam
2213:Petrotecnia
2134:Petrotecnia
2098:11336/97930
2076:Ameghiniana
1977:Fossilworks
1922:Fossilworks
1906:Fossilworks
1405:fauna. The
1326:Piedra Azul
1278:Pillahuincó
1051:Late Eocene
1017:Mid Miocene
996:Colloncuran
912:Huayquerian
827:Environment
787:and eolian
700:diamictites
664:Piedra Azul
507:Description
170:On/Offshore
96: /
71:Coordinates
3114:Categories
3075:2018-08-28
3054:2018-08-28
2856:Cuyo Basin
2777:2018-09-10
2746:2019-03-06
2718:2019-03-06
2687:2019-03-06
2659:2019-03-06
2619:2019-02-12
2583:2019-03-08
2551:2019-03-08
2519:2017-08-15
2470:2019-03-06
2430:2019-02-12
2384:2019-02-12
2334:2019-02-15
2299:2019-03-06
2275:2019-03-06
2244:2019-03-06
2220:2019-03-06
2196:2019-03-06
2176:2019-03-06
2141:2019-03-06
2104:2019-03-06
1615:References
1474:glyptodont
1459:, and the
1446:armadillos
1442:R. simplex
1193:Cenomanian
1106:Pedro Luro
952:Floodplain
919:Cerro Azul
846:Quaternary
721:The early
658:, and the
554:salt lakes
451:glyptodont
426:armadillos
384:Quaternary
308:Quaternary
268:rift basin
259:Basin type
178:Boundaries
2937:Patagonia
2742:: 177–219
2683:: 257–265
2547:: 241–260
1902:Chasicoan
1548:oil shows
1490:gastropod
1414:Chasicoan
1242:Barremian
1229:Reservoir
1179:Coniacian
1172:Santonian
1163:Reservoir
1137:Campanian
1041:Oligocene
939:Chasicoan
908:Chasicoan
878:Río Negro
823:Formation
763:Paleocene
727:Barremian
716:Paleogene
684:Paleozoic
550:Río Negro
542:Patagonia
411:Chasicoan
357:Patagonia
243:Río Negro
224:Hydrology
131:Argentina
109:Etymology
3092:Category
3002:Offshore
2782:Archived
2530:Neocavia
2183:ENARSA,
1558:See also
1543:Hunt Oil
1498:cetacean
1494:echinoid
1367:Basement
1289:Pre-rift
1266:Triassic
1223:Syn-rift
1186:Turonian
1149:Alluvial
1144:Colorado
1003:Friasian
989:Laventan
852:alluvium
743:alluvial
723:Mesozoic
704:Triassic
546:Colorado
438:cetacean
430:opossums
327:Field(s)
239:River(s)
137:State(s)
3067:(Map).
3038:Sources
2642:Bibcode
2633:Geobios
2579:: 43–55
2453:Bibcode
2357:Bibcode
2330:: 55–64
2323:Zootaxa
2293:SEGEMAR
2269:SEGEMAR
2063:General
1550:of 39°
1486:bivalve
1461:opossum
1421:rodents
1390:of the
1357:Ventana
1253:Hiatus
1204:Hiatus
1153:fluvial
1131:Hiatus
1086:Hiatus
1045:Hiatus
887:fluvial
804:fluvial
747:fluvial
688:glacial
680:Permian
674:of the
654:of the
422:rodents
376:Permian
351:) is a
345:Spanish
287:Orogeny
253:Geology
208:Part of
119:Country
84:61°00′W
81:41°30′S
3096:Images
1511:pollen
1453:, and
1444:, the
1403:mammal
1317:Source
1310:Bonete
1296:Source
1233:Source
1217:Fortín
1210:Aptian
1200:Albian
1151:&
1065:Elvira
1028:Marine
965:Mayoan
924:Eolian
885:&
883:Eolian
840:Notes
800:eolian
766:Elvira
731:Aptian
712:Albian
668:Bonete
641:Pangea
633:Middle
588:Rawson
538:Viedma
445:. The
405:. The
392:Pangea
245:&
229:Sea(s)
192:Rawson
159:Viedma
151:Cities
143:&
128:
2767:(PDF)
2730:(PDF)
2708:(PDF)
2671:(PDF)
2567:(PDF)
2535:(PDF)
2318:(PDF)
2289:(PDF)
2265:(PDF)
2234:(PDF)
2208:(PDF)
2190:(PDF)
2153:(PDF)
2129:(PDF)
1539:Shell
1362:Lolén
1283:Tunas
1112:Drift
820:Group
692:Karoo
590:, or
582:, or
494:Seals
460:flora
275:Plate
2328:3359
1979:.org
1924:.org
1908:.org
1525:and
1492:and
1440:and
1118:Seal
802:and
745:and
729:and
714:and
706:and
694:and
670:and
548:and
532:and
488:the
476:and
428:and
339:The
332:none
216:Area
173:Both
3069:YPF
2650:doi
2610:doi
2508:hdl
2500:doi
2461:doi
2419:hdl
2411:doi
2373:hdl
2365:doi
2167:doi
2093:hdl
2085:doi
1975:at
1920:at
1904:at
1552:API
1535:YPF
1157:Sag
817:Age
795:to
635:to
299:Age
266:on
203:(W)
198:(S)
189:(E)
184:(N)
3116::
3094:•
2769:,
2740:31
2738:,
2732:,
2710:,
2681:67
2679:,
2673:,
2648:,
2638:41
2636:,
2630:,
2606:51
2604:,
2598:,
2577:27
2575:,
2569:,
2545:63
2543:,
2537:,
2506:,
2496:56
2494:,
2488:,
2459:,
2449:23
2447:,
2441:,
2417:,
2407:37
2405:,
2399:,
2371:,
2363:,
2351:,
2345:,
2326:,
2320:,
2291:,
2267:,
2236:,
2210:,
2163:19
2161:,
2155:,
2131:,
2115:,
2091:,
2081:49
2079:,
2073:,
1929:^
1876:^
1864:^
1852:^
1831:^
1810:^
1798:^
1786:^
1764:^
1734:^
1713:^
1674:^
1634:^
1622:^
1554:.
1488:,
1481:.
1434:,
1428:,
768:,
718:.
710:,
666:,
662:,
602:.
578:,
503:.
492:.
465:.
424:,
371:.
347::
157:,
3078:.
3057:.
2814:e
2807:t
2800:v
2652::
2644::
2612::
2510::
2502::
2463::
2455::
2421::
2413::
2393:"
2375::
2367::
2359::
2353:4
2169::
2095::
2087::
910:-
627:.
343:(
306:-
194:/
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
