Description of manganese deposits collected by the CESAR Canadian Station in ...
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During CESAR expedition, 20 similar bedrock samples were dredged from the walls of a major graben of the Alpha Ridge. These rocks are the only bedrock samples ever recovered...
在CESAR科考航次期间，科研人员从阿尔法海岭（Alpha Ridge）一处大型地堑的岩壁上拖采获得了20份同类基岩样品。这些岩石是迄今唯一获取到的基岩样品……
