Four isolate barrier beds occurened usually in boundary surface of each internal architecture unit in channel sandbody, i. e. find bed, muddy pebble bed, plant clasts bed and diagenic bed.
河道砂
内部构成的不同层

界面
,通常

4种隔挡层,即细粒物质隔挡层、泥砾隔挡层、植物碎屑隔挡层和成岩隔挡层。
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新闻发布会合集 In 1912 a man drilling a well for the town water supply reported bringing up a lot of strangely deformed rock, a crystalline clast breccia with a melt matrix, and overturned ejector flap, as it was later described in an official report.
1912 年,一名男子为城镇供水系统钻了一口井,报告说发现了许多奇怪变形
岩石、带有熔融基质
结晶碎屑角砾岩和翻转
喷射器瓣,后来在官方报告中对此进行了描述。