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A R G E N T I U.S. DEPARTMENT OF THE INTERIOR OPEN FILE REPORT U.S. GEOLOGICAL SURVEY OFR 00-0108 Text accompanies map 74 70 66 62 58 54 Map of Quaternary Faults and Folds of Argentina ▼ CH-01a ▼ Nioaque CH-01b ▼ BR-22 Jardim Guia Lopes da Laguna Tarija A project of International Lithosphere Program Task Group II-2, BOLIVIA Maracaju OFR 00-018 Major Active Faults of the World Rio Brilhante CH-01c Mariscal Estigarribia Bela Vista Tocopilla Dourados Nova Andradina Chuquicamata A cooperative project between the U.S. Geological Survey (USGS) and Filadelfia Calama the National University of San Luis (UNSL). Ponta Porá SOUTH Loanda Data compiled by Carlos H. Costa (UNSL). CH-04 Santa Isabel do Ivai San Ramón Amambaí CH-05 CH-01c Digital representation by Richard L. Dart (USGS), Guillermo E. Ojeda and Ricardo Morán (UNSL). de la Nueva Orán Embracación AMERICA Capitán Bado CH-02 CH-03 Project coordination by Michael N. Machette (Co-chairman, ILP Task Group II-2). PARAGUAYConcepción Horqueta CH-01d AR-01 Antofagasta Misión San Jose Estero Umuarama 2000 Ingeniero Guillermo Cruzeiro Doeste CH-01e N. Juárez 24 Piquiri 24 Guaíra Sao Camilo CH-01e San Salvador Scale 1:4,000,000 Equirectangular Projection de Jujuy Palotina Assis Maripa Chateaubriand (Longitude of central meridian, 63 30'W; latitude of true scale, 0 ) Nova Sarand San Estanislao Salta Las Lomitas Toledo Corbelia Itaquyry Cascavel CH-01e AR-78 AR-80 Medianeira Coronel Moldes Clorinda Matelandia Catanduvas OFR 00-0108 Asunción Coronel Oviedo Hernandarias Gaucha San Jose Matán Caaguazu AR-76 Taco Pazo Marmelandia AR-75 Sapucai Foz do Iguacu Capanema Rosario de la Frontera Villarrica Dois Mapa de Fallas y Pliegues Cuaternarias de Argentina Monte Quemado Realeza Vizinhos San Salvador AR-77 Sao Sebastiao Santa Antonio da Bela Vista Formosa Barracao Proyecto Internacional de la Litósfera, Grupo de Trabajo II-2, AR-03 Eldorado Campos Eré Yegros Principales Fallas Activas del Mundo AR-83 Campo Gallo Montecarlo Donadeu Sao Miguel Doeste San Miguel de Tucumán Presidencia Roque Sáenz Peña Patay Maravilha ▼ Quitilipi ▼ Lilo Viejo AR-02 ▼ Tintina Jardin America ▼ AR-09 Un proyecto de cooperación entre el U.S. Geological Survey (USGS) y Mondai ▼ Coronel Bocado Charata El Tigre ▼ Encarnacion San Ignacio ▼ Weisburd Villa Berthet Universidad Nacional de San Luis (UNSL). Copiapo Palo Blanco Concepción General Pinedo Risistencia Santa Ana Tenente Portela Aguilares Posadas Candelaria Obera Tres Passos Termas de Río Honda Magdalena Corrientes Criciumal Andalgala Villa Angela Quimilí Leandro N. Alem Belan Coronel du Graty La Banba Panambi Tuparendi Datos compilados por Carlos H. Costa (UNSL). Santiago del Estero San José Tres de Maio AR-04 Porto Xavier Santa Rosa Representacion digital por Richard L. Dart (USGS), Guillermo E. Ojeda and Ricardo Morán (UNSL). AR-84 Empedrado Apóstoles 28 Mburucuyá Gbo. Ingeniero Valentín Virasoro Girua 28 San Lorenzo Cerro Largo Proyecto coordinado por Michael N. Machette (Co-chairman, ILP Grupo de Trabajo II-2). São Nicolau Villa Guillermina Saladas Catuipe AR-81 Villa San Martín Santo Angelo Las Toscas Panambi Laprida Ijúi São Luís Gonzaga Catamarca Añatuya Los Juríes AR-07 Choya Villa Ocampo Bella Vista Santo Tomé Vallenar Aimogasta Cruz Alta Ibiruba 2000 Frias São Borja AR-57 AR-05 AR-08 Chumbicha Santa Luaía Alvear Escala 1:4.000.000 Proyección Equirectangular AR-06 Tupanciretã Reconquista Itaqui Chilacito Goya Mercedes La Cruz Santiago (longitud de meridiano central, 63 30'W; latitud de escala verdadera 0 ) AR-11 AR-10 Tastada Júlio de Castilhos Malbrigo AR-12 Sumampa Malbrán Yapeyú La Rioja Vera y Pintado AR-13 São Pedro do Sul Santa Maria Paso de los Libres Restinga Seca AR-14 Curuzú Cuatiá Uruguaiana Alegrete Coquimbo La Serena Ceres Calchaqui Cacequi Hersilia Esquina BRAZIL Area of Map A Sauce São Sepé Quilino Rosário do Sul ▼ San Cristóbal Chamical Juan B. Arraubarrena Quaraí São Gabriel AR-16 ▼ AR-15 Dean Funes San José de Feliciano Artigas AR-79 ▼ Cacapava do Sul QUATERNARY FAULTS AND FOLDS OF ARGENTINA ▼ San Javier Los Conquistadores San Agustín del Valle Fértil Serrezuela Area of Map B Morteros ▼ La Paz FALLAS Y PLIEGUES CUATERNARIAS DE ARGENTINA AR-63 ▼ San Justo AR-52 ▼ Humberta ▼ Primo AR-18 AR-26 Cruz del Eje ▼ Miramar Santa Elena Rivera ▼ Sunchales Fereral Dom Pedrito ▼ Jesús María ▼ AR-17 Number Name of structure Sense of movement Time of most recent movement Slip rate ▼ AR-61 ▼ Conscripto Bernardi ▼ AR-53a Helvecia ▼ La Falda ▼ AR-27 ▼ Santa Rosa de Río Primero ▼ ▼ (major/minor) (mm/yr) AR-20 ▼ Villa Hernandarias ▼ ▼ Cosqúin Rafaela Nelson ▼ Reynaldo Cullen ▼ ▼ Bagé AR-64 ▼ Numeró Nombre de structuro Sentido de movimiento Edad del último movimiento Tasa de movimiento ▼ ▼AR-21 Cordoba Concordia ▼ San Francisco Pilar Esperanza (mayor/menor) (mm/año) AR-65 AR-66 ▼ ▼ AR-53b ▼ AR-19 ▼ ▼ San Juan Alta ▼ Villa Cura Rio Segunda AR-68 ▼ Santa Fe San Salvador ▼ Illapel AR-62 ▼ ▼ ▼ Gracia Santo Tomé ▼ Brochero Pilar AR-69 ▼ Paranã Tacuarembó ▼ AR-53c San Carlos Centro ▼ ▼ AR-67 ▼ AR-25 ▼ AR-01 Aguilar Este-Sierra de Cajas fault zone Reverse <1.6 Ma Unknown ▼ AR-51 Santa Clara de Buena Vista AR-70 AR-22 ▼ Las Varillas Viale Villaguay ▼ ▼ AR-60 ▼ San Jorge AR-35 ▼ ▼ Alicia (Zona fallas de Aguilar Este-Sierra de Cajas) ▼ Coronda ▼ ▼ AR-23 Pozo del Molle 32 32 ▼ Oliva ▼ AR-28 ▼ Diamante AR-02 Aconquija fault (Falla Aconquija) Reverse <1.6 Ma Unknown AR-72 Almafuerte ▼ ▼ ▼ AR-50 ▼ ▼ El Trebol Villa Elisa ▼ AR-24 ▼▼ ▼ AR-71 ▼ AR-03 Calalaste-La Colorada faults Normal, reverse with <1.6 Ma Unknown AR-73 ▼ Maria Susana AR-53d Cintra Rosario del Tala Paysandú ▼ ▼ Villa Maria ▼ Melo (Grupo de fallas Calalaste-La Colorada) strike slip AR-29 ▼ ▼ ▼ Hernando Los Rosas Maciel Concepción del Uruguay AR-04 Pipanaco fault (Falla Pipanaco) Unknown <1.6 Ma Unknown AR-34 ▼ AR-48a Ballesteros ▼ Serodino ▼ Bell Ville ▼ Leones ▼ AR-31 Marcos Juárez URUGUAY AR-05 Chumbicha fault (Falla Chumbicha) Unknown <1.6 Ma Unknown Quintero San Felipe San Lorenzo ▼ Armstrong AR-30 AR-48b General Cabrera Canada de Gomez Los Andes ▼ AR-06 Jaguel fault (Falla Jagüel) Unknown <1.6 Ma Unknown AR-58 Justiniano Posse Roldan ▼ Mendoza ▼ Etruria De Limache AR-33 AR-32▼ Rosario AR-07 La Brava fault (Falla La Brava) Unknown <1.6 Ma Unknown Valparaíso Cruz Alta Casilda Océano Pacifico Quilpue AR-36 AR-37 Camila Aldao San Jose de la Esquina AR-08 El Leoncito fault (Falla El Leoncito) Unknown <1.6 Ma Unknown AR-48c ▼ Río Cuarto Santa Eufemia Gualeguay Fray Bentos AR-38 AR-49 AR-54 BR-41 ▼ Mercedes AR-09 Infiernillo fault (Falla Infiernillo) Reverse <1.6 Ma Unknown San Luis Corral de Bustos San Nicolás AR-40 Santiago AR-39 Sampacho La Carlota Durazno AR-10 La Troya fault (Falla Troya) Unknown, strike slip? <1.6 Ma Unknown Ramallo Dolores San Antonio AR-11 Cachiyuyal fault (Falla Cachiyuyal) Strike slip/normal? <1.6 Ma Unknown San Bernardo AR-59 Caranel Moldes Melipilla Mercedes El Jardin San Pedro Venado Tuerto AR-12 Las Majaditas fault (Falla Las Majaditas) Dextral? <1.6 Ma, historic? Unknown Baradero AR-42 Justo Daract San Eduardo Colón AR-13 La Bolsa fault (Falla La Bolsa) Dextral <15 ka, historic? Unknown AR-41 Pergamino Zárate AR-14 Punilla fault (Falla Punilla) Strike slip/normal? <1.6 Ma Unknown Laboulaye Rancagua AR-74 Rojas Campana AR-15 Pismanta-Las Flores fault Dextral/normal? <15 ka Unknown Rufino San Antonio de Areco AR-43 San Gregorio Salto (Falla Pismanta-Las Flores) AR-44 Carmen de Areco San José de Mayo Minas AR-16 El Tigre fault (Falla El Tigre) Dextral/normal? <15 ka 1-5 Vedia San Andres de Gilles Santa Lucía Rocha San Fernando Veinticinco de Mayo Monte Comán Junín Lujan San Rafael Buenos Aires AR-17 La Cantera fault (Falla La Cantera) Reverse? <1.6 Ma Unknown Chacabuco Piedritas Suipacha La Paz Ensenada San Carlos AR-18 La Dehesa fault (Falla La Dehesa) Reverse? <15 ka Unknown Las Malvinas Huinca Renancó Ameghino Lincoln Chivilcoy General Las Glew Berisso Curicó AR-45 General Alvear Los Toldos La Plata AR-19 Maradona-Acequion fault Reverse (mainly) <15 ka 0.2-1 Realicó General Villegas Cañuelas Montevideo Molina Bragado Uribelarrea (Falla Maradona-Acequion) Pasteur Brandsen AR-46 Lobos AR-82 Intedente Alvear AR-20 Las Tapias-Villicum fault Reverse <1.6 Ma Unknown Constitución Quiroga Talca Verónica (Falla Las Tapias-Villicum) Nueve de Julio Veinticinco de Mayo Malargüe Rivadavia Smith General Paz San Javier AR-21 La Laja fault (Falla La Laja) Reverse Historic (1944) 1-5 General Pico Carlos Casares Saladillo AR-22 Rinconada fault (Falla Rinconada) Reverse Historic (1952) 1-5 Madero Linares Francisca Pehu Eduardo Castex AR-23 Los Berros fault (Falla Los Berros) Reverse <15 ka 0.2-1 Cauquenes Trenque Lauquen Las Flores 36 AR-24 Cerro Salinas fault (Falla Cerro Salinas) Reverse (mainly) <1.6 Ma Unknown 36 Quemu Quemu Calani Victorica AR-25 Ampacama-Niquizanga fault Reverse? Historic (1977) Unknown Telén Tapalquen Dolores (Falla Ampacama-Niquizanga) Catrila San Carlos AR-47 Jase Maria Blanco AR-26 Pajaritos fault (Falla Pajaritos) Reverse/sinistral? <1.6 Ma Unknown Anguil Lonquimay Uriburu Caseros Tomé Chillán Santa Rosa Villa Francisca AR-27 Las Chacras fault (Falla Las Chacras) Reverse/sinistral? <15 ka 1-5 Talcahuano Toay Salliqueló Azul AR-28 Las Peyas (Jocoli) fault Reverse <15 ka Unknown Concepción Maipo Olavarría (Falla Las Peyas o Jocoli) General Juan Madariaga Coronel Guaminí AR-29 Las Vacas fold (Pliegue Las Vacas) Anticline <15 ka 1-5 Lota Nuangualen ARGENTINACarhué Ayacucho AR-30 Cerro La Cal fault (Falla Cerro La Cal) Reverse? <15 ka, historic? (1861) 0.2-1 Tandil CHILE Chos Malal General
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