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本文讨论的喜马拉雅区,是指雅鲁藏布江—象泉河以南至我国境内的喜马拉雅山广大地区。对区内的二叠系研究,虽已有一百多年的历史,但解放前的工作是非常零星的,系统地对二叠纪地层的研究,是从解放后开始的,如西藏工作队地质组(1952)、希夏邦玛峰科考队(1964)、珠穆朗玛峰地区科考队(1966—1968)、青藏高原科考队(1973—1976)等,对该区的二叠系作了如下的划分:
The Himalayas discussed in this article refer to the vast area of the Himalayas to the south of the Brahmaputra-Elephant River to our country. Although the study of the Permian in the area has a history of over one hundred years, the pre-liberation work is very sporadic. The systematic study of the Permian strata began after the liberation. For example, the Tibet Task Force Geological Group (1952), Shishapangma expedition team (1964), Mount Everest region expedition team (1966-1968), Qinghai-Tibet Plateau expedition team (1973-1976), the area of Permian The following division: