The mineralogical and geochemical compositions of three sediment cores from the northwestern Greenland continental margin (AMD14‐204 and AMD14‐210) and Kane Basin (AMD14‐Kane2B) were investigated using quantitative X‐ray diffraction and energy‐dispersive X‐ray fluorescence in order to document the impact of ice‐ocean interactions on the sediment provenance and transport pathways during the Holocene. Unmixing of the sediment composition and ratios such as quartz/clays and K/Fe indicate that detrital sediments in cores from the northwest Greenland margin are derived mainly from Prøven granite and reworked Archean gneiss, whereas sediments from Kane Basin are derived mainly from detrital carbonate (Ellesmere Island) and Proterozoic gneiss (Humboldt Glacier). Mineralogical and geochemical signatures also reveal that changes in detrital sediment provenance and transport in the region are strongly interconnected to regional ice stream dynamics, especially during the early Holocene with strong meltwater discharge from the Greenland Ice Sheet associated with the end of deglaciation. With the establishment of milder conditions during the mid‐Holocene and reduced glacial activity once ice sheets retreated inland, sediment inputs via ocean currents became more effective. Thus, detrital proxies in core AMD14‐204, located in the Upernavik cross‐shelf trough, support the hypothesis of an intensification of the West Greenland Current influence after 7.7 cal ka BP, which eventually affected the regional sediment dynamic by a greater contribution from basalt to the sediment supply. Finally, our results suggest that the interactions between climate, glacial dynamics, and surface ocean circulation controlled the paleoenvironmental changes observed in the three cores.

中文翻译：

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量化格陵兰西北缘全新世沉积物的来源和运输途径

使用定量X射线衍射和能量色散X射线荧光技术依次研究了格陵兰岛西北边缘（AMD14‐204和AMD14‐210）和凯恩盆地（AMD14‐Kane2B）的三个沉积物岩心的矿物学和地球化学组成。记录全新世期间冰海相互作用对沉积物来源和运输途径的影响。沉积物成分和比例如石英/粘土和K / Fe的混合表明，格陵兰西北缘岩心中的碎屑沉积物主要来自Prøven花岗岩和返工的太古代片麻岩，而凯恩盆地的沉积物主要来自碎屑碳酸盐（ Ellesmere岛）和元古代片麻岩（Humboldt冰川）。矿物学和地球化学特征还表明，该地区碎屑沉积物产地和运移的变化与区域冰流动力学密切相关，尤其是在全新世早期，格陵兰冰盖大量融化水与冰消作用结束有关。随着全新世中期气候条件的缓和以及冰盖向内陆退缩后冰川活动减少，通过洋流输入的沉积物变得更加有效。因此，位于Upernavik交叉架槽中的AMD14-204核心碎屑代理人支持了7.7 cal ka BP后西格陵兰海流影响加剧的假说，这最终通过玄武岩的更大贡献影响了区域沉积物动力学。沉积物供应。最后，