نتایج جستجو برای: event stratigraphy
تعداد نتایج: 206049 فیلتر نتایج به سال:
Abstract This chapter reviews the subsurface stratigraphy of Kuwait targeting geosciences educators. The lithostratigraphy and chronostratigraphy reviewed formations (association rocks whose components are paragenetically related to each other, both vertically laterally) followed formal stratigraphic nomenclature in Kuwait. exposed Miocene–Pleistocene epochs represented by Dibdibba, Lower Fars,...
Overwash deposits from tropical cyclone-induced storm surges are commonly used as modern analogues for paleo-storm studies. However, the evolution of these between their time deposition and incorporation into geologic record is poorly understood. To understand how characteristics an overwash deposit can change over time, we analyzed four mangrove islands in southern Florida two to three months ...
Introduction: We have identified numerous examples of anomalous trough stratigraphy within the North Polar Layered Deposits (NPLD). According to the standard model of NPLD stratigraphy [1], troughs can be divided into three main units: (1) Layered Terrain, which exhibit fine-scale laminae upon equatorward-facing (EWF) trough slopes; (2) Banded Terrain, more diffuse layers located on poleward-fa...
China is a key area for research into human occupation in the Old World after the initial expansion of early humans out of Africa. Reliable age determinations are pivotal for assessing the patterns of human evolution and dispersal in this region. This paper reviews magnetostratigraphic studies of some early Pleistocene strata bearing hominin remains and/or artifact stone tools from northern to ...
Quaternary stratigraphic units have been mapped in the Appalachian region of southeastern Quebec, and formal stratigraphic names for these units are proposed. Evidence exists for four separate glacial phases, the last three of which are represented by tills. The three tills, from oldest to youngest, have been named Johnville, Chaudiere, and Lennoxville, respectively. Stratified sediments interb...
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