Geological Evolution — Chapter Summary
ICSE · Class 12 · Geography
Summary of Geological Evolution for ICSE Class 12 Geography. Part of the ICSE Class 12 Geography syllabus. Geology is the science of the earth's crust.
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Overview
Geology is the science of the earth's crust. Historical geology studies the patterns of development of the crust in time and space. Indian geological history is understood through eras, rock systems, and the formation of the Peninsular Plateau, the Himalayas, and the Great Plain. The chapter explain
Key Concepts
Geology is the science of
Geology is the science of the earth's crust. Historical geology studies the development of the crust in time and space. It helps in understanding how
Eras are the primary intervals
Eras are the primary intervals of time and periods are secondary intervals. Group is the name given to rocks formed during an era, while system is the
The standard geological eras are Pre
The standard geological eras are Pre-Cambrian, Paleozoic, Mesozoic, and Cenozoic. Pre-Cambrian rocks do not contain fossils, while later eras show inc
The Indian geological eras are Archean
The Indian geological eras are Archean, Purana, Dravidian, and Aryan. They represent the major chronological division of Indian rock history.
The Peninsular Plateau is also called
The Peninsular Plateau is also called the Southern Plateau. It is the oldest landform of the Indian subcontinent, surrounded by sea on three sides, an
Learning Objectives
- Understand basic geological terms such as era, period, group, and system
- Identify the major geological eras and Indian geological eras
- Explain the origin and nature of the Peninsular Plateau
- Describe the formation of the Himalayas through the Plate Tectonic Theory
- Explain how the Great Plain and the Sunderban Delta formed
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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