The Geology of the Western Cordillera of Northern Peru |
Contents
Stratigraphy | 4 |
HauterivianBarremianAptian | 10 |
Pulluicana Group | 16 |
Copyright | |
16 other sections not shown
Common terms and phrases
Albian Andean andesitic basin belt biotite breccias Bussell Calipuy Calipuy Group Calipuy volcanics Carhuaz Casma Casma Group central Peru Cerro de Pasco Chancay Chicama clastics Coastal Batholith Cobbing and Pitcher contacts continental copper Cordillera Blanca Cordillera Blanca Batholith country rocks Cretaceous crust crustal crystallisation deformation deposits diorite eastern emplacement eugeosyncline facies faults Figure folding Formation Fortaleza fractures gabbros Geol geological granite granitoid granodiorite hornblende Huaral Huaura Huaura Complex Humaya ignimbrites intrusion K-Ar age determinations K-feldspar Lima segment limestones magma Marañon Geanticline margin Mesozoic mineral mineralisation miogeosyncline monzogranite Myers Nepeña northern Peru occur outcrop Pativilca Peru plagioclase plutons polymetallic porphyry Puscao Super-unit quadrangle quartz Quebrada regional ring complexes ring dyke rock types samples San Jerónimo Santa Rosa Santa Rosa Super-unit Santa Rosa tonalite Sayán sediments sequence shales stocks structure subduction Tapacocha tectonic Tertiary thick tonalite units uplift valley West Peruvian Trough Western Cordillera Wilson xenoliths zone