| Page(s) |
Topic |
| i |
Digital Topography, Acknowledgements, Copyright statement |
| ii |
Table of Contents |
| Part A |
Introductory Material |
| 1 |
Geological outline. Physiography. Generalised geological map |
| 2 |
Some outstanding geological problems. Plate tectonic context. Areas of steep and flat slab subduction. Cross-sections of subduction geometry |
| 3 |
Latitudinal segmentation of the Andes. Subduction parameters and their influence on tectonics. Changes in azimuth and rate of plate motions since the Late Cretaceous |
| 4 |
Relative motions of South American and Nazca Plates. Plate motions in the Atlantic Hotspot Reference Frame. Volcanism through time |
| 5 |
Thermal effects of flat slab subduction. Cyclic orogenesis model in which rheology beneath arc controls regional structural style |
| 6 |
Why else might flat slab subduction develop? Large scale controls on stratigraphy. Outline of a new model: Volcanogenetic Sequence Stratigraphy . A new paradigm to explain stratigraphic evolution of the Central Andean Foreland since ca. 55 Ma |
| 7 |
Volcanism as a control on stratigraphy. Consequences for stratigraphic of changed tectonic regimes in the High Andes. Introduction to map of seismic and active volcanism |
| 8 |
Seismicity, neotectonics, extent of basement-involved faulting |
| 9 |
Use of digital topographic to constrain crustal shortening in our palinspastic grids. Palaeomagnetic rotations from Peru |
| 10 |
Palinspastic maps for Aptian, Cenomanian, Middle Oligocene and Late Miocene times |
| Part B |
Paleogeographic Evolution |
| 11 |
Lower Palaeozoic paleogeographic elements. Ordovician through Silurian evolution |
| 12 |
Lower Palaeozoic paleogeographic maps: Late Ordovician, Middle Silurian and Middle Devonian |
| 13 |
Devonian through Mississippian evolution. Eohercynian deformation |
| 14 |
Middle Mississipian paleogeographic map |
| 15 |
Pennsylvanian and Early to Middle Permian evolution |
| 16 |
Pennsylvanian paleogeographic map |
| 17 |
Tardihercynian deformation. Middle Permian to Early Triassic red bed sedimentation. Late Triassic to Early Jurassic evolution |
| 18 |
Early and Middle Permian paleogeographic map |
| 19 |
The problem of the Jurua Orogeny |
| 20 |
Latest Permian to Early Jurassic paleogeographic map |
| 21 |
Middle Jurassic and Cretaceous paleogeographic elements. Middle to Late Jurassic Evolution |
| 22 |
Middle and Late Jurassic paleogeographic map |
| 23 |
Early Cretaceous Fluvio-deltaic sedimentation. Aptian-Albian paleogeographic evolution |
| 24 |
Valanginian-Barremian paleogeographic map |
| 25 |
Relationship between Caribbean and South American Plates. Subduction polarity reversal. Cause of active tectonic foreland subsidence |
| 26 |
Aptian-Albian paleogeographic map |
| 27 |
Pacific origin for Pinon Terrane. Cenomanian-Santonian evolution |
| 28 |
Cenomanian-Santonian paleogeographic map |
| 29 |
Campanian Maastrichtian evolution. Active, driven foreland basin subsidence and end of Bolivia-Argentina rifting |
| 30 |
Campanian Maastrichtian palaeogeographic map |
| 31 |
Early and Middle Palaeocene evolution. Middle Palaeocene to Middle Eocene early Andean (Incaic ) evolution |
| 32 |
Middle Palaeocene to Middle Eocene (60-42 Ma) paleogeographic map. Onset of Eastern Cordillera Uplift, Zongo-San Gaban Zone. Early shortening in the Maranon fold-thrust belt |
| 33 |
Dating the early rise of the Eastern Cordillera (Zongo-San Gaban Zone). Late Eocene evolution |
| 34 |
Late Eocene (42-35 Ma) paleogeographic map. Volcanic flare-up in north-central Peru, burial of Incaic unconformity |
| 35 |
End of pull-apart basin formation at the tail of the Northern Andes, Tracing the Huancabamba-Palestina Lineament . Latest Eocene to Middle Oligocene evolution |
| 36 |
Latest Eocene and Early Oligocene (35-29 Ma) paleogeographic map. Volcanic hiatus. Age of Pozo formation. Basin development in south Peruvian Altiplano |
| 37 |
Late Oligocene paleogeographic evolution |
| 38 |
Late Oligocene (29-23 Ma) paleogeographic map. Volcanic flare-up in Peru and Ecuador. Renewed subsidence in foreland. New dates for Subandean sequences |
| 39 |
Early Miocene to Middle Miocene paleogeographic evolution |
| 40 |
Early Miocene (23-17 Ma) paleogeographic map. Andean deformation spreads to north and south. Uplift of Huaracayo anticline. Widespread ignimbritic volcanism |
| 41 |
Middle Miocene paleogeographic evolution, continued |
| 42 |
Middle Miocene paleogeographic map. Volcanism spreads throughout the central Andes. Onset of Puna uplift. Age of the Pebas formation |
| 43 |
Late Miocene to Recent paleogeographic evolution. Age of the most recent flat slab event in Central Peru |
| 44 |
Late Miocene to Recent paleogeographic map. Uplift of frontal anticlines. Onset of flat slab subduction and basement-involved faulting in central Peru. Deformation of Bolivian Altiplano |
| 45 |
Late Miocene to Recent paleogeographic evolution, continued |
| Part C |
Analysis of semi-balanced cross-sections |
| 46 |
Cross-sections of Santiago and Huallaga Basins. Depth to possible salt (low volume?) detachments. AFT age constraints |
| 47 |
Cross-section of north Bolivian Subandes. Age constraints. Main Subandean Thrust and the space-filling problem |
| 48 |
Cross-section of south Bolivian Subandes. Uplift of palaeoerosion surfaces in the Cordillera. K-Ar, indirect age constraints |
| Part C |
Conclusions for Hydrocarbon Systems & Basin Summary Charts |
| 49 |
Some conclusions for hydrocarbon explorationists |
| 50 |
Generalised North Peruvian fore-arc: Talara basin |
| 51 |
Ecuadorian Oriente Basin |
| 52 |
Santiago, Maranon Basins |
| 53 |
Huallaga/northern Ucayali Basin |
| 54 |
Southern Ucayali, Madre de Dios Basins |
| 55 |
Northern Bolivian Subandes (Beni Basin) |
| 56 |
Central Bolivian Subandes (Boomerang area) |
| 57 |
Southern Bolivian Subandes (Chaco Basin) |
| 58 |
Peruvian Altiplano, Cuzco Basin |
| 59 |
Bolivian Altiplano; Corque, Poopo Basins |
| Part D |
Stratigraphic logs, thin-sections and age data |
| 60 |
Vivian sandstone: field observations, litho- and chronostratigraphy |
| 61 |
Thin sections, Oriente Formation, Pongo de Manseriche |
| 62 |
Thin sections, Chonta Formation, Pongo de Manseriche |
| 63 |
Thin sections, Vivian Formation, Pongos de Manseriche & Huaracayo |
| 64 |
Stratigraphy, heavy minerals, age data from the Cenozoic sections at Pongo de Huaracayo and Pongo de Manseriche (Santiago Basin) |