quantou 中文意思是什麼
quantou
解釋
圈頭-
By summarizing and analyzing the geological setting, uranium source, paleoclimate, hydrology, lithologic - lithofacies conditions in the region, it is indicated that the quantou formation in fanjiatun - jiutai area and the qingshankou formation in yangdachenzi area are potential metallogenic prospective areas for in - situ leachable sandstone type uranium deposit in the region, which develop braided channel or delta marginal sandstones, and possess favorable forming conditions of interlayer oxidation zone, and constituting supply - passage - discharge system of abundant uranium source
綜合研究區域成礦地質背景、鈾源、古氣候、水文地質、巖性巖相條件，認為范家屯九臺一帶的泉頭組及楊大城子一帶的青山口組發育辮狀河或三角洲前緣砂體，構成了鈾源供應充足的補徑排系統，具有有利的層間氧化帶形成條件，是本區地浸砂巖型鈾礦的有利成礦遠景區帶。 -
The analyses of the sedimentary facies, rock geochemistry and reformation after the sedimentation from the upper cretaceous quantou formation to nenjiang formation indicate that the beneficial sand - bodies of the uranium deposit are mainly quantou formation ' s braided channel and qingshankou formation ' s delta sandstone types
摘要從上白堊統泉頭組嫩江組沉積相展布、巖石地球化學及沉積期后改造作用分析入手，闡明了研究區有利鈾成礦砂體主要為泉頭組的辮狀河與青山口組的三角洲砂體。 -
The lateral seal of the fault is studied with calculating the seal ratio, it is medium in yaojia group and quantou group, fairly good in nenjiang group and qingshankou group
通過封堵率計算研究表明，該斷裂的側向封烴能力在姚家組和泉頭組地層中為中等，在嫩江組和青山口組地層中較好。 -
Regional burial history and other factors being considered, the third thermal fluid activity, which spans the time range from late quantou formation to middle - late qingshankou formation, is considered as a major period in which massive natural gas pools was formed among all periods charging of gas in the yingcheng formation reservoir in xujiaweizi rift
結合本區的埋藏史分析，認為4期天然氣充注成藏中第三期是形成大規模天然氣藏的主期，即泉頭組沉積末期至青山口組沉積中晚期。
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