Sierra madre occidental a mountain range in mexico, along the western edge of the meseta central. Sierra madre occidental spanish edition rangel plasencia, carlos on. Sierra madre oriental informacion y caracteristicas. Prominence of the sierra madre occidental in the biological diversity of mexico robert 8ye1 abstract. Sierra madre oriental synonyms, sierra madre oriental pronunciation, sierra madre oriental translation, english dictionary definition of sierra madre oriental. Approximately 296000 km2 of western mexico is covered by a volcanic sequence that has an average thickness of 1 km and is mostly ash. The range is about 1,300 km long and 80200 km wide. Old maps of sierra madre occidental on old maps online. The main article for this category is sierra madre occidental. A mountain range of northeast mexico rising as barren hills south of the rio grande and roughly paralleling the coast of the gulf of mexico.
This mountain range is rugged, remote, and had us completely spellbound by the wonder of it all. In spanish, sierra madre means mother mountain range. Sierra madre occidental synonyms, sierra madre occidental pronunciation, sierra madre occidental translation, english dictionary definition of sierra madre occidental. Lumbering is done in the n sierra madre occidental. Copper canyon, sierra madre occidental, chihuahua, mexico. Media in category sierra madre occidental the following 26 files are in this category, out of 26 total. Pdf the sierra madre occidental smo is the largest mountain range in mexico.
It consists of the sierra madre occidental to the west, the sierra madre oriental to the east, and the sierra madre del sur to the south. These ranges enclose the great central mexican plateau, which. Research in the sierra madre occidental of eastern sonora. Sierra madre kalifornien, eine stadt in kalifornien, usa bergketten. If you would like to participate, you can choose to edit this article, or visit the project page for more information. Sierra madre occidentals article about sierra madre. Calderas of the sierra madre occidental volcanic field western. Sierra madre infoplease encyclopediaplaceslatinamericalatamgeographysierramadremountainsystemmexico.
The sierra madre occidental volcanic province south of the tropic of. The sierra madre occidental is a major mountain range system of the north american cordillera, that runs northwestsoutheast through northwestern and western mexico, and along the gulf of california. The apachianmadrean region is a zone of confluence and geographic termini of species and floras from the north and the south. Sierra madre occidental is a mountain in mexico and has an elevation of 1970 meters. The sierra madre oriental is part of the american cordillera, a chain of mountain ranges cordillera that consists of an almost continuous sequence of mountain ranges that form the western backbone of north america, central america, south america and antarctica. The sierra madre is part of the american cordillera, a chain of mountain ranges cordillera that consists of an almost continuous sequence of mountain ranges that form the western backbone of. Origin and evolution of the sierra nevada and walker lane. The sierra madre occidental smo is the largest mountain range in mexico, extending along more than 1200 km from northeastern sonora 30 degrees 35 n ca at the usmexico border to northern. Miocene faulting in the southwestern sierra madre occidental. Pdf the sierra madre occidental is mostly composed of middle tertiary largevolume. Sierra madre occidental madreoccidental sierra mapa. Ecosystems and diversity of the sierra madre occidental.
Northern sierra madre occidental and its apachian outliers. Sierra madre wyoming in wyoming, usa sierra madre occidental im westen mexikos. The sierra madre occidental of northwestern mexico is the biggest silicic large igneous province of the cenozoic, yet very little is known about its geology due to. Cancer hereafter referred to as the southern sierra madre occidental vol canic province is. Pdf vegetation of the sierra madre occidental, mexico. The sierra madre occidental smo or western sierra madre is the longest mountain range in mexico and the largest continuous ignim brite plate on earth. The sierra madre occidental is a major mountain range system of the north american. The coniferoak forests that cover the five mountainous morphotectonic provinces of mexico occupy about 21 % of mexico terrestrial surface and are the most diverse with the greatest richness and degree of endemism of vascular plants. Research in the sierra madre occidental of eastern sonora, mexico yecora region. The physiographic province geology is a part of the north american cordillera system.
The madrean region named after the sierra madre occidental is a floristic region within the holarctic kingdom in north america, as delineated by armen takhtajan and robert f. Pdf the sierra madre occidental is mostly composed of middle tertiary large volume. A mountain range of northwest mexico running parallel to the pacific coastline and adjoining the mexican plateau. Sierra madre occidental into arizona and new mexico, with southerly populations in either. Evidence from the guazapares mining district region, western chihuahua, in. B this article has been rated as bclass on the projects quality scale. We left the copper canyon for the big city of durango and found ourselves underdressed and looking like vagrants in a very sophisticated city with a welldressed and hip population toting iphones, gelato. The sierra madres have a great wealth of minerals including iron ore, lead, silver, and gold. The sierra madre occidental smo is the largest mountain range in mexico, extending along more than 1200 km from northeastern sonora 3035 n ca at the usmexico border to northern jalisco 2100 n on western mexico.
Magmatism and tectonics of the sierra madre occidental and relation with the evolution of the western margin of north ame. The sierra madre occidental is composed mainly of precambrian metamorphic rocks with a mantle of younger. Sierra madre occidental definition of sierra madre. Sierra madre occidentale carte des sierra madre du mexique. Systematics mexican jay aphelocoma wollweberi birds of the. These ranges enclose the great central mexican plateau, which itself is a part of the systemalthough the northern portion of the plateau also. Extending from northwest to southeast through mexico from the u. The sierra madre occidental smo is the largest mountain range in mexico, extending along more than 1200 km from northeastern sonora 3035 n ca at the. Sierra madre occidental from mapcarta, the free map. Sierra madre occidental the primary mountain range of coastal northwestern mexico. Sierra madre occidental mountain range, north america.
It has a surface of 251,648 km 2 not including the madrean archipelago, about the size of the state of wyoming and even larger than the united kingdom. It occupies arid or semiarid areas in the southwestern united states and northwestern mexico and is bordered by the rocky mountain region and north american atlantic region of the holarctic kingdom in the north. Evaluating increased groundwater use in the yaqui valley, mexico pdf. The sierra madre occidental smo is the result of cretaceouscenozoic magmatic and tectonic episodes related to the subduc tion of the farallon plate beneath. Variation of cenozoic extension and volcanism across the. Lower and intermediate elevations support many taxa of tropical plants. The name sierra madre refers to a number of mountain ranges.