Guide to Magellan Image Interpretation

 

Figure 9-22. Sacajawea Patera is an elliptical caldera on Lakshmi Planum in western Ishtar Terra. The depression is enclosed by a zone of concentric troughs that show radar-bright outlines. The floor is covered with smooth mottled plains and has bright deposits near the center and around the periphery. Linear to sinuous scarps have bright outlines that extend southeast from the eastern margin of the caldera. A small shield with a pronounced central pit is transected by one of these features. Illumination is from the left at an incidence angle of 27 deg.

 

Figure 9-22. Sacajawea Patera is an elliptical caldera on Lakshmi Planum in western Ishtar Terra. The depression is enclosed by a zone of concentric troughs that show radar-bright outlines. The floor is covered with smooth mottled plains and has bright deposits near the center and around the periphery. Linear to sinuous scarps have bright outlines that extend southeast from the eastern margin of the caldera. A small shield with a pronounced central pit is transected by one of these features. Illumination is from the left at an incidence angle of 27 deg.

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