Level 4 environments and deposits are composed of smaller scale features which are part of Level 3 deposits. In this example, the meandering river (Level 3) is composed of a series of features. From upper left to lower right, these features are a modern meandering river and floodplain, a map reconstruction of part of the modern Mississippi River showing point bar (reservoir) sands isolated by mud plugs, the point bar and cutbank sides of a meander bend, cross bedded, point bar sands along a trench wall, the ideal vertical stratigraphy of a point bar deposit, and a 3D model showing the complexities of the modern Mississippi River example.
Mississippi River examples were provided by D. Jordan.
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