Continental Drift, Plate Tectonics & Geomagnetism | Geography | UPSC Prelims 2026 | Drishti IAS

Описание: GS Studio Foundation Course में एडमिशन के लिए दिए गए लिंक पर क्लिक करें-
हिंदी मीडियम: https://drishti.xyz/GS-Studio-Foundat...
English Medium: https://drishti.xyz/GS-Studio-Foundat...
Hinglish Medium: https://drishti.xyz/gs-studio-foundat...

GS Studio Foundation Course की अधिक जानकारी या काउंसलिंग के लिए लिंक पर क्लिक करें –
https://drishti.xyz/GS-Studio-Foundat...
*************************************************************************

Mr. Devendra Yadav, Expert Faculty at Drishti IAS, explains important Geography topics in this session of 100 Most Important Topics for UPSC Prelims 2026. The lecture focuses on key concepts such as Continental Drift Theory, Plate Tectonics, and Geomagnetism, which are crucial for understanding the dynamic nature of the Earth.
The session begins with Alfred Wegener’s Continental Drift Theory, explaining the idea that continents were once part of a supercontinent called Pangaea and later drifted apart over geological time. Important evidences such as fossil distribution, matching coastlines, geological similarities, and paleoclimatic evidence are discussed in detail.
The lecture then explains the Theory of Plate Tectonics, which describes how the Earth’s lithosphere is divided into several tectonic plates that move over the semi-molten asthenosphere. Key concepts such as divergent, convergent, and transform plate boundaries, sea-floor spreading, mid-ocean ridges, subduction zones, earthquakes, and volcanic activity are explained to help aspirants understand the mechanism behind major geological processes.
The session also covers the concept of Geomagnetism, including the Earth’s magnetic field, magnetic poles, magnetic declination, and inclination. It further explains paleomagnetism and magnetic reversals, which provide important evidence for plate tectonics and continental movement.
*************************************************************************
महत्त्वपूर्ण प्लेलिस्ट:

1. Drishtikon By Dr. Vikas Divyakirti:
https://drishti.xyz/Drishtikon-by-Dr-...

2. Videos by Dr. Vikas Divyakriti:
https://drishti.xyz/Videos-DrVikasDiv...

3. Concept Talk- By Dr. Vikas Divyakirti:
https://drishti.xyz/Concepttalk-DrVik...

4. NCERT Foundation Series:
https://drishti.xyz/NCERT-Foundation-...

5. How to Prepare Optional:
https://drishti.xyz/How-to-Prepare-Op...

6. Optional Subject Demo Classes:
https://drishti.xyz/Optional-Subject-...

7. Daily Current News:
https://drishti.xyz/Daily-Current-News

8. Simplified Videos:
https://drishti.xyz/Simplified

9. Drishti IAS Special:
https://drishti.xyz/Drishti-IAS-Special

10. Duniya Is Hafte:
https://drishti.xyz/Duniya-Is-Hafte-DIH

11. Topper’s Success Stories:
https://drishti.xyz/Toppers-Success-S...

12. UPSC Prelims PYQ Analysis:
https://drishti.xyz/UPSC-Prelims-PYQ-...

13. UPSC Mock Interview 2024:
https://drishti.xyz/UPSC-2024-Mock-In...

14. IAS Toppers Talk 2024:
https://drishti.xyz/Toppers-Talk-2024

15. IAS Toppers’ Seminar:
https://drishti.xyz/IAS-Toppers-Seminar

16. IAS Toppers’ Strategy:
https://drishti.xyz/IAS-Toppers-Strategy
*************************************************************************
हमारे प्रमुख कोर्सेज़:

1. GS Foundation Courses:
https://drishti.xyz/GS-foundation-Onl...

2. GS Studio Foundation Course (Hindi):
https://drishti.xyz/GS-Studio-Foundat...

3. GS Studio Foundation Course (Hinglish):
https://drishti.xyz/gs-studio-foundat...

4. GS Studio Foundation Course (English):
https://drishti.xyz/GS-Studio-Foundat...

5. NCERT Online Courses:
https://drishti.xyz/NCERT-Online-Courses

6. UPSC Optional Subjects Online Courses:
https://drishti.xyz/UPSC-Optional-Sub...

7. IAS Prelims 2026 Online Courses:
https://drishti.xyz/IAS-Prelims-2026-...

8. IAS Mains 2026 Online Courses:
https://drishti.xyz/IAS-Mains-2026-On...

9. Current Affairs (Prelims + Mains) IAS 2026 Online Courses:
https://drishti.xyz/UPSC-Current-Affa...

10. UPSC Prelims 2026 Test Series:
https://drishti.xyz/IAS-Prelims-2026-...

11. UPSC Mains 2026 Test Series:
https://drishti.xyz/IAS-Mains-2026-Te...

12. EPFO Online Course:
https://drishti.xyz/UPSC-EPFO-Online-...

13. CAPF Online Courses:
https://drishti.xyz/CAPF-Online-Courses
*************************************************************************
Download Drishti Learning App Now:

iOS:
https://drishti.xyz/DLA-IOS

Android:
https://drishti.xyz/DLA-Android

Windows:
https://drishti.xyz/DLA-Windows
*************************************************************************
Follow Us on Social Media:
https://drishti.xyz/SocialMedia-YT

#UPSC #UPSCPrelims2026 #Geography #ContinentalDrift #PlateTectonics #Geomagnetism #Paleomagnetism #UPSCGeography #PYQ