Give a geographical explanation of the distribution of off-shore oil reserves of the world. How are they different from the on-shore occurrences of oil reserves?
The global distribution of off-shore oil is geographically constrained and directly linked to specific geological conditions on continental shelves and slopes. These reserves are concentrated in regions that were once shallow ancient seas with prolific marine life. Over millions of years, the organic remains of plankton and algae settled on the seabed, were buried by layers of sediment, and subjected to intense heat and pressure, transforming them into hydrocarbons.
This process requires the presence of thick sedimentary basins to both generate and trap the oil. Consequently, major off-shore fields are located in areas with extensive, gently sloping continental shelves. Prominent examples include the Persian Gulf, a vast and shallow epicontinental sea; the North Sea, between the UK and Scandinavia; the Gulf of Mexico; the resource-rich Campos and Santos Basins off Brazil's coast; and the waters off West Africa. These areas possess the ideal combination of geological history, sediment deposition, and structural traps necessary for large-scale oil accumulation.
Off-shore reserves differ from on-shore reserves in several key aspects:
Answered By:
Underline the changes in the field of society and economy from the Rig Vedic to the later Vedic period.
Estimate the contribution of Pallavas of Kanchi for the development of art and literature of South India.
How far is it correct to say that the First World War was fought essentially for the preservation of the balance of power?
How far was the Industrial Revolution in England responsible for the decline of handicrafts and cottage industries in India?
The groundwater potential of the Gangetic valley is on a serious decline. How may it affect the food security of India?
What are aurora australis and aurora borealis? How are these triggered?
What is a twister? Why are the majority of twisters observed in areas around the Gulf of Mexico?
Despite comprehensive policies for equity and social justice, underprivileged sections are not yet getting the full benefits of affirmative action, envisaged by the Constitution. Comment.
Globalization has increased urban migration by skilled, young, unmarried women from various classes. How has this trend impacted upon their personal freedom and relationship with family?
Critically analyse the proposition that there is a high correlation between India’s cultural diversities and socio-economic marginalities.
Underline the changes in the field of society and economy from the Rig Vedic to the later Vedic period.
Estimate the contribution of Pallavas of Kanchi for the development of art and literature of South India.
How far is it correct to say that the First World War was fought essentially for the preservation of the balance of power?
How far was the Industrial Revolution in England responsible for the decline of handicrafts and cottage industries in India?
The groundwater potential of the Gangetic valley is on a serious decline. How may it affect the food security of India?