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西藏伦坡拉地区系指东经88°30′—91°00′,北纬31°20′—32°20′之间,面积约两万四千平方公里的地区。著名的班公湖—怒江深大断裂从本区北部通过,区内段叫崩则错(错意湖)—兹各圹错深大断裂。它宽4—20公里,长约200公里,由数条或数十条断层所组成。断裂带西宽东窄,任姜索日处妆敛,东段走向北西西向,西段走向南西西向。它可能形成于印支期(甚致早于印支期),在燕山期和喜山期均有活动。沿断裂带具有一系列东西拉长的重、磁异常和大量不同时期、不同性质的侵入岩与喷发岩,以及由二叠系等外来岩块组成的构造混杂岩等。
The Tibet Poipu area refers to the area between 88 ° 30’-91 ° 00’E and 31 ° 20’-32 ° 20’N, covering an area of about 24,000 square kilometers. The famous Bangong Lake - Nujiang deep fault passed from the northern part of the area, the district called collapse is the wrong (wrong lake) - it’s all wrong deep fault. It is 4-20 km wide and about 200 km long and consists of several or dozens of faults. The east and west sections of the fault zone are eastward and westward, with the west section heading southwest and westward. It may have formed during Indosinian (even earlier than Indosinian) and both during the Yanshan and Himalayan periods. Along the fault zone, there are a series of extensional heavy and magnetic anomalies and a large number of intrusive rocks and eruption rocks of different ages and different types, and structural melanges composed of extraneous rock blocks such as Permian.