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Kinematics a Key To Unlocking Plays

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Figure 1

Figure 2

Figure 4

Figure 3

Oligocene reconstruction of pre-Mesozoic continental basement, northern Andes, based on vector displacements from figure 2. "Retro-deformed" longitude/latitude grid is created by smoothing the lines across block boundaries after block restoration. Red outline is present day South America; cities, fields, rivers and geographic features (blue) are shown in palinspastic coordinates. Download this figure at www.tectonicanalysis.com.