placer deposit

基本解释

• [地质] 砂矿床；砂积矿床；砂砾矿床

英汉例句

双语例句

• Placer deposit is highly developed in USSR.
  苏联的砂矿矿床比较丰富。
• A middling placer deposit of tin has been discovered in Jiudaowan district.
  九道湾地区已发现中型砂锡矿床。
• Up till now several grains of diamond have been found in the Sinian, Triassic and Cretaceous clastic rocks, but in the lower reach the river there existed Quaternary industrial diamond placer deposit.
  在震旦系、三叠系和白垩系碎屑岩中均找到共约数颗微粒金刚石，而在沅水下游则富集有第四纪工业砂矿床。

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词组短语

短语

• placer r deposit 砂积矿床
• placer gold deposit 砂金矿床
• the placer gold deposit 砂金矿体
• aeolian placer deposit 风成砂矿床
• offshore placer deposit 近海砂矿

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专业释义

地球科学

• 砂积矿床
• 砂砾矿床
• 砂矿床