求翻译：层粘土混角砾：黄褐色，硬塑状态， 含少量角砾，约占20%-40%，角砾主要为安山岩及花岗岩，磨圆度较差，仅见在4、15、16、17、21、22、24、40、42号勘探孔中，低压塑性。其揭露厚度为0.80~4.30米。是什么意思？

Layer of clay mixed breccia: yellowish brown, hard plastic state, containing a small amount of breccia, about 20% -40%, brecciated andesite and granite, rounded lower, only to see in 4,15,16,17 21,22,24,40,42 number of exploration holes, low pressure plastic. Its exposed thickness of 0.80 to 4.30 m.

Mixed-layer clay-gravel: brown, hard plastic, with a small corner of gravel, about 20 per cent - 40 per cent, mainly gravel corner for the mountain of rock and granite, rounded poorly, not seen in 4, 15, 16, 17, 21, 22, 24, 40, 42, and the low pressure exploration holes in plastic. The exposed thick

The level clay mixes the angle gravel: The tan, models the condition hardly, including the few angle gravel, approximately composes 20%-40%, the angle gravel mainly for the andesite and the granite, the psephicity is bad, only sees in 4, 15, 16, 17, 21, 22, 24, 40, in 42 exploration holes, low press

Mixed layer clay rubble: Brown, hard plastic, with small amounts of rubble, approximately 20% per cent, rubble are mainly granite and andesite, poor round, has not been seen in the 4, 15, 16, 17, 21, 22, 24, 40, of 42nd exploration holes, low pressure plastic. The exposed thickness is 0.80~4.30 mete

正在翻译，请等待...