褐煤的 meaning in English

lignitic
lignitiferous

Current status of utilization of germanium - bearing lignite coal
含锗褐煤的利用现状
Determination of yield of benzene - soluble extract in brown coal
褐煤的苯萃取物产率测定方法
In their place we found intriguing alternations of turquoise - blue , gray and green clays , brown sandstone and fossilized plant matter called lignite
我们发现取而代之的岩层组成十分有趣，其中包括了蓝绿色、灰色、绿色的黏土、棕色的沙岩，以及称做褐煤的植物化石。