Home›MPPSC Mains (Eng)›General Studies I›Part B: Geography›Unit 1: Physical Features and Climate of India›Major Physiographic (Physical) Divisions of India- the Himalayan Mountains, The Great Plain of North India, The Peninsular Plateau›What is the composition of upper continental crust?

What is the composition of upper continental crust?

20223M
Model Answer

Composition of the Upper Continental Crust:

  • Predominantly composed of felsic granitic rocks rich in Silica and Alumina (SIAL layer), quartz, and potassium feldspar minerals, exhibiting an average bulk density of ~2.7 g/cm³.

हिंदी में प्रश्न एवं आदर्श उत्तर

उपरी महाद्वीपीय भूपर्पटी की संरचना क्या है?

ऊपरी महाद्वीपीय भूपर्पटी (Upper Continental Crust) की संरचना:

  • मुख्य रूप से 'सियाल' (SIAL - सिलिका + एल्युमिनियम) तथा हल्के ग्रेनाइटिक व फेल्डस्पैथिक खनिजों से निर्मित है। इसका औसत घनत्व 2.7 g/cm³ है।
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