Ophiolitic rocks and plagiorhyolites from SW Ecuador (Cerro San José): petrology, geochemistry and tectonic setting

Berrezueta, Edgar; Lopez, Katthy; González-Menéndez, L.; Ordóñez-Casado, Berta; Benitez, Stalin

doi:10.1007/s41513-020-00154-9

Cited by 4 publications

(2 citation statements)

References 57 publications

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“…Regionally, Ecuador is divided into tectonostratigraphic zones that extend parallel to the Northern Andes mountain range. From west to east, these are: (1) the oceanic terranes of the coastal region and the Late-Cretaceous Western Cordillera [61][62][63][64]. (2) the Chingual-Cosanga-Pallatanga-Puná (CCPP) dynamic fault system [65], which is also the eastern tectonic limit of the "North Andean Sliver" and is related to the oblique subduction of the Nazca plate.…”

Section: Geological Settingmentioning

confidence: 99%

Geosites and Geotourism in the Local Development of Communities of the Andes Mountains. A Case Study

et al. 2021

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The inventory and assessment of a geosite in a territory provides a sound basis for the protection and use of its geological heritage. This article aims to evaluate the most relevant geosites in the province of Chimborazo (Ecuador), applying the Spanish Inventory of Sites of Geological Interest (IELIG, in Spanish) method, and proposing alternatives for geotourism development in the studied area. The methodological process was based on: (i) the inventory and preliminary selection of geosites; (ii) a semi-quantitative geosite assessment and proposal of travel itineraries for geotourism; and (iii) the application of the strengths, weaknesses, opportunities, and threats (SWOT) matrix to establish geotourism development strategies within a framework of sustainability. The global assessment of scientific, tourist, and academic interests demonstrates that 25% of the 20 evaluated geosites have very high interest and 75% have high interest. The top three geosites with the highest degrees of interest are the Chimborazo Volcano, known as ‘Earth’s Closest Point to the Sun’, the Pallatanga geological fault, and the geosite named Comunidad Cacha. The SWOT analysis reveals that travel itineraries that combine cultural heritage elements and geosites could offer a real alternative for the region’s sustainable development through geotourism.

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Section: Geological Settingmentioning

confidence: 99%

Geosites and Geotourism in the Local Development of Communities of the Andes Mountains. A Case Study

et al. 2021

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“…From a geological point of view, the study area soil is composed of volcanic materials (Piñón Formation) and sedimentary volcano materials (Cayo Formation). On top of these materials there are cretaceous and tertiary sedimentary materials [35][36][37][38][39]. The study area's relief is made up of plains and undulating hills, with medium to gentle slope [40].…”

Section: Study Areamentioning

confidence: 99%

Hill Dam Design to Improve Water Use in Rural Areas—Case Study: Sacachún, Santa Elena

et al. 2022

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The Sacachún commune in Ecuador currently faces a lack of water for its agricultural development; this reduces its possibilities of socio-economic development and causes migration to urban areas. This research proposes a presa colinar (hill dam) design that uses ancestral knowledge and classic engineering techniques to promote water use during the dry season in semi-arid regions. The methodology consisted of: (i) a systematic compilation of the ancestral structures used for water planting and harvesting in Ibero-American; (ii) selecting an appropriate place to build the hill dam; (iii) the dam’s body design; (iv) and creating a proposal for agricultural water use. The results helped define a good location for the hill dam implementation. In addition, a 10 m high and 40 m wide earthen dam was designed, with a storage capacity of 114,341 m3, extending agriculture to 7.5 ha through a polyculture system of six different plants. The embankment has a cofferdam located downstream, which provides stability in static and pseudo-static conditions. In addition, the dam slopes have a 2:1 ratio, and a spillway channel and filter drain were dimensioned to protect the dam.

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Geodiversity assessment to regional scale: Ecuador as a case study

Carrión-Mero

Dueñas-Tovar

Jaya-Montalvo

et al. 2022

Environmental Science & Policy

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Ophiolitic rocks and plagiorhyolites from SW Ecuador (Cerro San José): petrology, geochemistry and tectonic setting

Cited by 4 publications

References 57 publications

Geosites and Geotourism in the Local Development of Communities of the Andes Mountains. A Case Study

Geosites and Geotourism in the Local Development of Communities of the Andes Mountains. A Case Study

Hill Dam Design to Improve Water Use in Rural Areas—Case Study: Sacachún, Santa Elena

Geodiversity assessment to regional scale: Ecuador as a case study

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