The vergence of an asymmetric fold is the horizontal direction toward which its upper part has moved relative to its lower part: the direction in which it is overturned or, for an inclined fold, toward which it leans.
বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Earth and Space Sciences · পরিভাষা