B O L I V I A

B O L I V I A

U.S. DEPARTMENT OF THE INTERIOR OPEN FILE REPORT U.S. GEOLOGICAL SURVEY OFR 00-0283 Plate 1 of 2 Text accompanies map Map of Quaternary Faults of Bolivia Mapa de Fallas Cuaternarias de Bolivia A project of International Lithosphere Program Task Group II-2, Proyecto Internacional de la Litósfera, Grupo de Trabajo II-2, Major Active Faults of the World Principales Fallas Activas del Mundo ° ° 70 69° ° ° ° ° 63° 62 13° 68 67 66° 65 64 13° A cooperative project between the U.S. Geological Survey (USGS), Un proyecto de cooperación entre el U.S. Geological Survey (USGS), Research Institute for Development (IRD), and University of Chile (UC). Institut de Recherche pour le Développement (IRD) y Universidad de Chile (UC). Data compiled by Alain Lavenu (IRD) and Ricardo Thiele (UC). Datos compilados por Alain Lavenu (IRD) y Ricardo Thiele (UC). 68°20' 68°14' 68°08' 68°02' Digital representation by Richard L. Dart (USGS). Representación digital por Richard L. Dart (USGS). 16°22' 16°22' Project coordination by Michael N. Machette (Co-chairman, ILP Task Group II-2). Proyecto coordinado por Michael N. Machette (Co-chairman, ILP Grupo de Trabajo II-2). 2000 2000 BO-03 Scale 1:1,750,000 Escala 1:1.750.000 Lambert Conformal Conic Projection Proyección de Lambert Conformal Conic (1st standard parallel, 17°20'N; 2nd standard parallel, 22°40'N; longitude of central meridian, 66°W; (1st paralelo estándar, 17°20'N; 2nd paralelo estándar, 22°40'N; longitud de meridiano central, 66°W; BO-13 latitude of projections origin, 0°; Clarke 1866 spheroid) latitud de escala verdadera 0°; con base en el esferoide Clarke 1866) 14° BO-06 14° 16°28' 16°28' + 70° 68° 66° 64° 62° 60° 58° BO-13 La Paz BO-05 BO-04 PERU 10° 10° 16°34' 16°34' OFR 00-018 12° 12° 15° 15° BO-08 BO-05 BO-08 0 5 10 km Viacha SOUTH 14° 14° Scale 1 : 250,000 Lambert Conformal Conic Projection OFR AMERICA 16°40' 16°40' 00-0283 68°20' 68°14' 68°08' 68°02' Lago 16° 16° Tit BO-07 icaca 16° 16° BO-01 Achacachi• 18° 18° BO-02 OFR 00-0108 Area of Inset BO-03 BO-06 20° 20° BO-05 La Paz BO-04 BO-08 BO-05 B O L I V I A Viacha BO-08 22° 22° 17° 17° m • Ayo Ayo • Berenguela BO-09 24° 24° 70° 68° 66° 64° 62° 60° 58° BO-11 Portachuelo Montero Index map for Bolivia Colquiri Cochabamba • BO-10 Sacaba Esquema de indice para Bolivia • Charaña ▼ ▼ ▼ BO-14 ▼ Capinota • ▼ ▼ ▼ Santa Cruz ▼ Rio Bla • nco ▼ ▼ ▼ 18° Oruro ▼ 18° QUATERNARY FAULTS OF BOLIVIA ▼ ▼ FALLAS CUATERNARIAS DE BOLIVIA ▼ ▼ ▼ Number Name of structure Sense of movement Time of most recent movement Slip rate ▼ (major/minor) (mm/yr) ▼ ▼ Numeró Nombre de structuro Sentido de movimiento Edad del último movimiento Tasa de movimiento ▼ (mayor/menor) (mm/año) ▼ ▼ ▼ BO-01 Fault east of Achacachi/Falla al este de Achacachi Normal <1.6 Ma Unknown/desconocida ▼ BO-02 Fault east of Peñas/Falla este de Peñas Normal <15 ka Unknown, probably <0.125; ▼ desconocida, probablemente <0.125 ▼ BO-03 Kenko fault zone/Zona de falla Kenko Normal-sinistral <1.6 Ma <0.2 ▼ ▼ BO-04 Llojeta fault/Falla de Llojeta Normal-dextral <1.6 Ma <0.2 ▼ ▼ BO-05 Amachuma fault/Falla de Amachuma Normal-sinistral <1.6 Ma Unknown/desconocida ▼ BO-06 Quebrada Minasa fault/Falla Quebrada Minasa Normal-dextral <1.6 Ma Unknown, probably <0.2; ▼ desconocida, probablemente <0.2 ▼ ▼ BO-07 Escoma fault/Falla Escoma Normal <1.6 Ma Unknown/desconocida ▼ BO-08 Viacha fault zone/Zona de falla de Viacha Normal <1.6 Ma Unknown/desconocida ▼ ▼ ▼ BO-09 Ayo Ayo fault/Falla de Ayo Ayo Normal-dextral <1.6 Ma Unknown/desconocida ▼ 19° ▼ 19° BO-10 Cuenca de Charaña fault/Falla Cuenca de Charaña Normal <1.6 Ma Unknown/desconocida ▼ Sucre ▼ BO-11 Tunari fault/Falla Tunari Normal-dextral <1.6 Ma Unknown/desconocida ▼ BO-14 BO-12 Tarija fault/Falla de Tarija Normal <1.6 Ma Unknown/desconocida ▼ ▼ BO-13 Beni River fault/Falla del Río Beni Normal <1.6 Ma Unknown/desconocida ▼ BO-14 Mandeyapecua fault/Falla Mandeyapecua Reverse <1.6 Ma Unknown/desconocida ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ Potosi ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ MAP EXPLANATION SIMBOLOGIA DEL MAPA ° ▼ 20 ▼ 20° ▼ TIME OF MOST RECENT SURFACE RUPTURE EDAD DE ULTIMA RUPTURA SUPERFICIAL ▼ CHILE ▼ ▼ Historic (year) Histórica (año) ▼ ▼ Holocene (<10,000 yrs) or post glacial (<15,000 yrs) Holocena (<10,000 años) o post glacial (<15,000 años) ▼ ▼ Quaternary, undifferentiated (<1,600,000 yrs) Cuaternaria, sin diferenciar (<1,600,000 años) ▼ ▼ ▼ SLIP RATE TASA DE MOVIMIENTO ▼ ▼ ▼ > 5 mm/yr > 5 mm/año ▼ ▼ 1-5 mm/yr 1-5 mm/año ▼ ▼ < 1 mm/yr (or unknown) < 1 mm/año (o desconocida) ▼ ▼ ▼ QUALITY CALIDAD ▼ BO-14 ▼ ▼ Continuous at map scale Continua a la escala del mapa ▼ ▼ Poor or discontinuous at map scale Pobre o discontinua a la escala del mapa ▼ 21° ▼ ° Inferred or concealed Inferida u oculta ▼ 21 ▼ Y STRUCTURE TYPE TIPO DE ESTRUCTURA FAULTS FALLAS Villamontes Thrust or reverse fault (teeth on upper block) Falla inversa o corrimiento (triángulos en bloque superior) Right-lateral (dextral) strike-slip fault Falla de rumbo dextral GUA Left-lateral (sinistral) strike-slip fault Falla de rumbo sinestral Normal fault (bar and ball on downthrown block) Falla normal (círculo en bloque hundido) A Tar ija FOLDS PLIEGUES BO-12 Anticline Anticlinal Syncline Synclinal 0 50 100 150 km PAR 22° 22° 70° ° 62° 69 68° 67° 66° 65° 64° 63° International Research University Digital data prepared with ARC/INFO version 7.2.1 running under Lithosphere Institute for of Solaris version 2.6 on a Unix workstation. Program Development Last revision May 25, 2000. Chile (ILP) (IRD) (UC) Map prepared by L.-A. Bradley using Adobe Illustrator version 9.0. Last revision September, 2000. Programa Institut de Universidad This map was produced on request, directly from digital files, Internacional Recherche pour on an electronic plotter. It is also available as a PDF file at de http:/greenwood.cr.usgs.gov de la Litósfera le Développement Chile (ILP) (IRD) UNIVERSIDAD This report is preliminary and has not been reviewed for conformity DE CHILE (UC) with U.S. Geological Survey editorial standards. Any use of trade, product, or firm names is for discriptive purposes and does not imply endorsement by the U.S. Government..

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