求翻译：在火口北东侧公路旁的剖面上可见到火口垣由紫灰色-红褐色玄武质火山砾、火山豆组成，火山豆、火山砾半圆状-圆状，夹两层空落堆积物，厚分别为7 m和2.5 m，发育面状平行层理和波状层理，单层厚数厘米至十几厘米。是什么意思？

Can be seen in the section on the east side of road next to the crater north crater Yuan purple gray - reddish-brown basaltic lapilli, volcanic beans volcanic beans, lapilli semicircle-shaped - rounded, sandwiched two layers of empty off the debris, thick, respectively 7 m and 2.5 m, the development

The North East Side fire port side of the road can be seen on the profile to Ishigaki port by fire chief gray-brown red volcanic basalt-quality beans, and volcanic boulders, the volcano, the volcano half-moon-shaped boulders - round-shaped, two-story empty buildup, and thick, 7M and 2.5M, a growth-o

正在翻译，请等待...

In fire estuary East Highway next to of profile Shang visible to fire mouth ruins by Purple grey-reddish-brown Xuanwu mass volcano gravel, and volcano beans composition, volcano beans, and volcano gravel semi shaped-round shaped, clip two layer kongluo stacked real, thick respectively for 7 m and 2.

Obviously arrives the fire mouth wall nearby in the fire Koubei east side road section plane by the purple gray - sorrel Xuanwu nature lapillus, the volcano bean is composed, the volcano bean, the lapillus semicircle shape - round shape, clamps two empty deposits, thick respectively is 7 m and 2.5 m