求翻译：周围湖垣由火山碎屑岩及火山渣状熔岩组成，以火山碎屑岩为主，其粒度粗细不均，由下至上呈粗细韵律形式，旋回性清晰，火山岩内含有大量深源包体及围岩碎屑，围垣内坡陡而外坡较缓，火山岩产状向四周倾斜，倾角约15°-30°。是什么意思？

Yuan around the lake formed by pyroclastic rocks and scoria lava, pyroclastic rocks, the granularity of uneven thickness, thickness metrical form from the bottom was a clear cyclicity of volcanic rocks containing a large number of deep xenoliths and the outer slope of moderate and steep slopes withi

lake surrounded by walls of volcanic debris from rock and volcanic slag with volcanic lava, and rock-oriented, and debris from the grain weight, a weight from the bottom up rhythmic form, turn it back, clear, volcanic rock with a lot of deep source package and of rock debris, and steep slopes of ins

Periphery the lake wall is composed by the pyroclastic rocks and the scoriaceous lava, by pyroclastic rocks primarily, its granularity thick thin uneven, assumes the thick thin rhythm form supremely by under, the cycle is clear, but in the volcanic rock includes the massive deep source inclusion and

Around Lake ruins by volcano debris rock and the volcano slag shaped lava composition, to volcano debris rock mainly, its grain degrees weight does not are, by Xia to Shang is weight rhythm forms, cycles sexual clear, volcanic rocks within contains large deep source package body and the Wai rock deb

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