کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6441733 | 1639108 | 2013 | 17 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Wave-planation surfaces in the mid-western East Sea (Sea of Japan): Indicators of subsidence history and paleogeographic evolution of back-arc basin
ترجمه فارسی عنوان
سطوح بارش موج در دریای شرق میانه شرقی (دریای ژاپن): شاخص های تاریخ فروپاشی و تکامل پالئوگوئوگرافی حوضه عقب
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کلمات کلیدی
دریای شرق، دریای ژاپن، برنامه ریزی موج، فرسایش موج، برش موج، پشت قوس
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
ژئوشیمی و پترولوژی
چکیده انگلیسی
This study focuses on revealing the origin of deep-marine wave planation surfaces and its geomorphic and tectonic implications for the back-arc evolution based on multi-channel seismic reflection profiles acquired from the mid-western East Sea (Sea of Japan). On seismic reflection profiles, the wave-planation surfaces are recognized as continuous and high-amplitude single reflectors outlining the flattened top of submarine terraces or isolated topographic highs. The wave planation surfaces are classified into four types, depending on the geomorphic characteristics and origins of substratal landmasses, i.e., continental margin terrace (type-1), rifted continental fragment (type-2), volcanic edifices (type-3), and uplifted sedimentary successions (type-4), which have common origin of wave erosion near the sea level, but different subsidence history. The mean subsidence rate of wave-planated substratum is calculated by dividing the maximum depth of a wave-planation surface below modified datum sea level (D-E) by the time elapsed since the onset of subsidence (T). Information of local subsidence history enables reconstruction of paleogeographic evolution of mid-western East Sea during the Neogene-Quaternary time: (1) incipient continental rifting and onset of marine incursion (ca. 23-18Â Ma); (2) progressive continental rifting and onset of wave planation (ca. 18-11Â Ma); (3) final eruption of post-rift volcanoes (ca. 11Â Ma); (4) uplifting of shelf-margin banks and onset of the Pliocene-Holocene volcanic activities (ca. 11-2.5Â Ma); (5) change in the locus of volcanic eruption and cessation of contractile uplifting in the basin margin (ca. 2.5-0Â Ma).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Marine Geology - Volume 344, 1 October 2013, Pages 65-81
Journal: Marine Geology - Volume 344, 1 October 2013, Pages 65-81
نویسندگان
G.B. Kim, S.H. Yoon, Y.K. Sohn, Y.K. Kwon,