Magnetic mineral and sediment porosity distribution on a storm-dominated shelf investigated by benthic electromagnetic profiling (Bay of Plenty, New Zealand)

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• 作者：Tobias Kulgemeyer^a ; ^{tkulgemeyer@uni-bremen.de} ; Hendrik Mü ; ller^a ; ^{hendrik.mueller@uni-bremen.de} ; Tilo von Dobeneck^a ; ^{dobeneck@uni-bremen.de} ; Karin R. Bryan^b ; ^{kbryan@waikato.ac.nz} ; Willem P. de Lange^b ; ^{delange@waikato.ac.nz} ; Christopher N. Battershill^b ; ^{cbatters@waikato.ac.nz}
• 关键词：Electromagnetic profiling ; Benthic profiling ; Heavy mineral enrichment ; Bay of Plenty ; Selective entrainment ; Seafloor assessment
• 刊名：Marine Geology
• 出版年：2017
• 出版时间：1 January 2017
• 年：2017
• 卷：383
• 期：Complete
• 页码：78-98
• 全文大小：6344 K
• 卷排序：383

文摘

First large-scale survey with an innovative benthic electromagnetic profiler (MARUM NERIDIS III) Near-surface electromagnetic properties (magnetic susceptibility and electric conductivity) are presented. Complementing sample material is analyzed for their magnetic properties, and magnetic minerals are identified. A conceptual model for the formation of heavy mineral enrichments by selective entrainment is developed.