Cordillera Negra


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Cordillera Negra

 

a section of the Cordillera Occidental of the Peruvian Andes, situated to the west of the Santa Valley (between its lower course and Chiquián). The range is about 180 km long and reaches an elevation of 4,500 m. It is composed of Mesozoic-Cenozoic intrusive rock in the west and of Neocene effusive rock in the east. The region is highly seismic. The range derives its name from its dark volcanic rock and its exposed slopes, devoid of vegetation and having a desert climate.

References in periodicals archive ?
Observese de Oeste a Este las siguientes Unidades Tectonicas Regionales: (1) Unidad Tectonica del callejon de Huaylas y cordillera Negra de Huaraz; (2) Unidad tectonica de la cordillera Blanca y Callejon de Conchucos, con tres zonas estructurales bien definidas: (a) Batolito de la cordillera Blanca, (b) Eje de la cordillera Blanca, (c) Callejon de Conchucos; (3) Unidad Tectonica del Frente de sobrescurrimientos al Este del callejon de Conchucos.
Otro caso de tecnologia hidraulica prehispanica es el de cuarenta represas en la Cordillera Negra, que drenan sus aguas a la cuenca del rio Nepena, aunque tan solo seis de las cuarenta son utilizadas en forma parcial, para regar cultivos.
International Resource News-July 21, 2011--Portage Resources Inc to acquire CORDILLERA NEGRA Mining Concessions(C)1994-2011 ENPublishing - http://www.
POTG-OTCQB), a company focused on the exploration and production of precious and base metals in Peru, has signed a definitive agreement to acquire the CORDILLERA NEGRA Mining Concessions.
Las experiencias que sustentan este trabajo parten del reconocimiento interregional de un corredor de investigacion pacifico-amazonico que atraviesa dos cordilleras y tres valles del Peru norcentral, asi como las excavaciones de prueba efectuadas en sitios arqueologicos ubicados en zonas marginales de la Cordillera Negra y el Alto Maranon.
Un siglo mas tarde, Raimondi nos dice que Cajamarquilla tiene poca poblacion y pocos recursos lo que le da un caracter de pueblo silencioso y que, juntamente con Pira, se hallan en la Cordillera Negra y pertenecen a los pueblos de vertiente.
Beyond the longitudinal Santa Valley runs the Cordillera Negra which gradually slopes down to the Pacific coast in the west.
In 1997 Antamina, recognising that getting the concentrate to port was a key factor in establishing the viability of the project, requested PSI to perform a feasibillty study to look at alternative routes for a slurry pipeline to cross the Cordillera Blanca (white mountains), then the Cordillera Negra (black mountains), both incredibly rugged ranges.
Early in 1996, Barrick was aware of Pierina in the Cordillera Negra of Ancash Province.
The Huarangayoc and Pira projects are located in the highly prolific Cordillera Negra in the Ancash department of central Peru.
El alcance del presente trabajo involucra el tratamiento estadistico de los valores de los metales pesados potencialmente toxicos a la salud humana y animal, en una region de la Cordillera Negra y Blanca entre las ciudades de Huaraz y Carhuaz en el departamento de Ancash.
Additional properties adjacent to the MATA MATA were acquired by QTR in February of 1996 following the announcement of a new disseminated gold discovery in the Cordillera Negra.