Question
Download Solution PDFशैल में ऊपर की ओर मोड़ या वलन क्या कहलाता है?
This question was previously asked in
NDA (Held On: 16 Dec 2015) General Ability Test Previous Year paper
Answer (Detailed Solution Below)
Option 3 : अपनति
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NDA 01/2025: English Subject Test
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Detailed Solution
Download Solution PDFसही उत्तर विकल्प 3 है अर्थात अपनति।
अपनति
- एक अपनति पृथ्वी धरातल में शैल की परतों में एक ऊपर की ओर घुमावदार मोड़ है।
- वे तब बनते हैं जब शैलें प्लेट-विवर्तनिक बलों के द्वारा संकुचित होती हैं।
- वे पहाड़ी जितनी छोटी हो सकती हैं या पर्वत शृंखला जितनी बड़ी हो सकती हैं।
- मोड़ चाप के शीर्ष को अपनति का शीर्ष कहा जाता है।
- एक अपनति में, सबसे पुरानी शैलें इसके बीच में या केंद्र में होती हैं।
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