VPW: Sequence Stratigraphic Backstripping: Generating a Cenozoic Eustatic Sea-Level Curve

本研究通过研究巴尔的摩峡谷海槽（新泽西州近海）、墨西哥湾东北部和北海盆地这3个热盆地的沉降，确定了新生代大部分地区海平面上升的幅度和时间。在每个位置，可容纳空间的起伏成分将通过层序地层反剥离与构造和沉积成分分离。北海盆地的程序生成和研究由NSF拨款EAR-9506572资助给P.I, Dr. Michelle Kominz。层序地层资料、测井资料和地壳厚度将作为输入。这种数据的弯曲背剥通过消除泥沙负荷的影响产生容纳空间。根据其独特的时空特性，将可容纳空间的升降和构造成分分离是可能的。需要对每个盆地进行正演模拟，以确定沉积物对岩石圈热历史的影响，并确定岩石圈的弯曲刚度作为时间的函数。最后，综合各盆地的沉降结果，排除区域构造作用，得到前更新世-新生代沉降曲线。互动活动包括：教授海洋地质学的高级本科/研究生课程，并与研究生合作教授层序地层学和反剥离课程。此外，科明兹博士还将在其他课程中讲授个别讲座或一系列讲座，包括海洋科学导论、地质学导论、地层学和地球物理学。

This research establishes the magnitude and timing eustatic sea- level for much of the Cenozoic by studying the subsidence of 3 thermal basins, The Baltimore Canyon Trough (offshore New Jersey), The Northeast Gulf of Mexico and the North Sea Basin. In each location the eustatic component of accommodation space will be separated from the tectonic and sediment components via a sequence stratigraphic backstripping. Procedure generation and study of the North Sea Basin are funded by NSF grant EAR-9506572 to the P.I., Dr. Michelle Kominz. Sequence stratigraphic data coupled with well logs and crustal thicknesses will be the input. Flexural backstripping of this data produces accommodation space by removing the effects of sediment loading. Separation of the eustatic and tectonic components of accommodation space will be possible based on their unique temporal and spatial properties. Forward modeling of each basin is required to determine the effects of sediment on the thermal history of the lithosphere and to determine the flexural rigidity of the lithosphere as a function of time. Finally, the eustatic results of each basin will be integrated to remove regional tectonism and to obtain a Pre-Pleistocene Cenozoic eustatic curve. Interactive activities include: teaching upper level undergraduate/graduate courses in Marine Geology and co-teaching a graduate course on Sequence Stratigraphy and Backstripping. In addition, Dr. Kominz will present individual lectures or sets of lectures in additional classes including Introduction to Marine Science, Introductory Geology, Stratigraphy and Geophysics.