The relationship between geology and soil is perfectly exemplified by Regur. As the basaltic lava of the Deccan Traps weathered over millions of years, it broke down into fine-textured, argillaceous (clayey) soil. Geographically, this soil is famous for being "self-ploughing" because it develops deeRead more
The relationship between geology and soil is perfectly exemplified by Regur. As the basaltic lava of the Deccan Traps weathered over millions of years, it broke down into fine-textured, argillaceous (clayey) soil. Geographically, this soil is famous for being “self-ploughing” because it develops deep cracks during the dry season, allowing for aeration. It is extremely fertile and rich in lime, iron and magnesium. Because it is the ideal medium for growing cotton, the geography of India’s textile industry is historically and physically anchored to these basalt-derived plateau regions.
In European geography, the Alps represent the most recent and dramatic phase of mountain building. Because they are "young," they have not yet been rounded by eons of erosion, maintaining the highest elevations in Central Europe (Mont Blanc). This range acts as a major climatic divide, separating thRead more
In European geography, the Alps represent the most recent and dramatic phase of mountain building. Because they are “young,” they have not yet been rounded by eons of erosion, maintaining the highest elevations in Central Europe (Mont Blanc). This range acts as a major climatic divide, separating the Mediterranean climate of the south from the temperate climates of the north. In contrast, the Vosges is a block mountain and the Urals and Pennines are “Old Fold Mountains” from the Paleozoic era, appearing as much lower and smoother hills due to their advanced geological age.
Geographically, a Hogback is a variation of a "Cuesta." While a Cuesta has one gentle slope and one steep escarpment, a Hogback occurs when the rock strata are tilted at an angle greater than 40 degrees, resulting in symmetrical, steep slopes. This landform resembles the bristled back of a hog, hencRead more
Geographically, a Hogback is a variation of a “Cuesta.” While a Cuesta has one gentle slope and one steep escarpment, a Hogback occurs when the rock strata are tilted at an angle greater than 40 degrees, resulting in symmetrical, steep slopes. This landform resembles the bristled back of a hog, hence the name. They are significant in structural geography as they indicate areas of intense crustal tilting. Famous examples can be seen along the Front Range of the Rocky Mountains, where these “tilted ribs” of rock provide a clear visual record of ancient tectonic upheaval.
Guyots represent a fascinating intersection of volcanic and erosional geography. When a volcanic island becomes inactive, it is subjected to constant wave action which "beheads" the peak, creating a flat surface. As the underlying tectonic plate moves away from the mid-ocean ridge, the crust sinks (Read more
Guyots represent a fascinating intersection of volcanic and erosional geography. When a volcanic island becomes inactive, it is subjected to constant wave action which “beheads” the peak, creating a flat surface. As the underlying tectonic plate moves away from the mid-ocean ridge, the crust sinks (subsides), taking the flat-topped mountain deep below the surface. These “tablemounts” are common in the Pacific Ocean. Unlike abyssal plains (which are like underwater plains) or ridges (like underwater mountains), Guyots are the only submarine features that possess the distinct, elevated, flat-topped profile of a terrestrial plateau.
The Grand Canyon is a textbook example of how a "rejuvenated" river interacts with an uplifted plateau. The Colorado Plateau underwent significant tectonic uplift during the Cenozoic Era. As the plateau rose, the Colorado River maintained its course by cutting deeper into the earth, exposing nearlyRead more
The Grand Canyon is a textbook example of how a “rejuvenated” river interacts with an uplifted plateau. The Colorado Plateau underwent significant tectonic uplift during the Cenozoic Era. As the plateau rose, the Colorado River maintained its course by cutting deeper into the earth, exposing nearly two billion years of geological history in its walls. This process, known as “downcutting,” demonstrates the immense power of fluvial (river) erosion on high-altitude tablelands. Geographically, the plateau’s arid climate helps preserve the sharp, vertical walls of the canyon, preventing them from being smoothed over by heavy rainfall.
The ‘Regur’ soil (Black Soil) found in Indian plateaus is derived from: (A) Granite (B) Basalt (C) Limestone (D) Sandstone
The relationship between geology and soil is perfectly exemplified by Regur. As the basaltic lava of the Deccan Traps weathered over millions of years, it broke down into fine-textured, argillaceous (clayey) soil. Geographically, this soil is famous for being "self-ploughing" because it develops deeRead more
The relationship between geology and soil is perfectly exemplified by Regur. As the basaltic lava of the Deccan Traps weathered over millions of years, it broke down into fine-textured, argillaceous (clayey) soil. Geographically, this soil is famous for being “self-ploughing” because it develops deep cracks during the dry season, allowing for aeration. It is extremely fertile and rich in lime, iron and magnesium. Because it is the ideal medium for growing cotton, the geography of India’s textile industry is historically and physically anchored to these basalt-derived plateau regions.
See lessWhich of the following is a ‘Young Fold Mountain’ in Europe?
In European geography, the Alps represent the most recent and dramatic phase of mountain building. Because they are "young," they have not yet been rounded by eons of erosion, maintaining the highest elevations in Central Europe (Mont Blanc). This range acts as a major climatic divide, separating thRead more
In European geography, the Alps represent the most recent and dramatic phase of mountain building. Because they are “young,” they have not yet been rounded by eons of erosion, maintaining the highest elevations in Central Europe (Mont Blanc). This range acts as a major climatic divide, separating the Mediterranean climate of the south from the temperate climates of the north. In contrast, the Vosges is a block mountain and the Urals and Pennines are “Old Fold Mountains” from the Paleozoic era, appearing as much lower and smoother hills due to their advanced geological age.
See lessThe term ‘Hogback’ refers to: (A) A type of volcanic crater. (B) A ridge with steep slopes on both sides. (C) A deep river valley in a plateau. (D) A submerged mountain peak.
Geographically, a Hogback is a variation of a "Cuesta." While a Cuesta has one gentle slope and one steep escarpment, a Hogback occurs when the rock strata are tilted at an angle greater than 40 degrees, resulting in symmetrical, steep slopes. This landform resembles the bristled back of a hog, hencRead more
Geographically, a Hogback is a variation of a “Cuesta.” While a Cuesta has one gentle slope and one steep escarpment, a Hogback occurs when the rock strata are tilted at an angle greater than 40 degrees, resulting in symmetrical, steep slopes. This landform resembles the bristled back of a hog, hence the name. They are significant in structural geography as they indicate areas of intense crustal tilting. Famous examples can be seen along the Front Range of the Rocky Mountains, where these “tilted ribs” of rock provide a clear visual record of ancient tectonic upheaval.
See lessWhich ocean floor feature is the submarine equivalent of a plateau?
Guyots represent a fascinating intersection of volcanic and erosional geography. When a volcanic island becomes inactive, it is subjected to constant wave action which "beheads" the peak, creating a flat surface. As the underlying tectonic plate moves away from the mid-ocean ridge, the crust sinks (Read more
Guyots represent a fascinating intersection of volcanic and erosional geography. When a volcanic island becomes inactive, it is subjected to constant wave action which “beheads” the peak, creating a flat surface. As the underlying tectonic plate moves away from the mid-ocean ridge, the crust sinks (subsides), taking the flat-topped mountain deep below the surface. These “tablemounts” are common in the Pacific Ocean. Unlike abyssal plains (which are like underwater plains) or ridges (like underwater mountains), Guyots are the only submarine features that possess the distinct, elevated, flat-topped profile of a terrestrial plateau.
See lessThe ‘Colorado Plateau’ in the USA is famous for which erosional feature?
The Grand Canyon is a textbook example of how a "rejuvenated" river interacts with an uplifted plateau. The Colorado Plateau underwent significant tectonic uplift during the Cenozoic Era. As the plateau rose, the Colorado River maintained its course by cutting deeper into the earth, exposing nearlyRead more
The Grand Canyon is a textbook example of how a “rejuvenated” river interacts with an uplifted plateau. The Colorado Plateau underwent significant tectonic uplift during the Cenozoic Era. As the plateau rose, the Colorado River maintained its course by cutting deeper into the earth, exposing nearly two billion years of geological history in its walls. This process, known as “downcutting,” demonstrates the immense power of fluvial (river) erosion on high-altitude tablelands. Geographically, the plateau’s arid climate helps preserve the sharp, vertical walls of the canyon, preventing them from being smoothed over by heavy rainfall.
See less