Justin Post 3-22-20 Mars and Venus Lab + Landform Table Prof. Moorthy MARS 1. 1. How do you think the following features were formed? a. The scarp surrounding the mountain, especially on the top-left and bottom-right - The scarp most likely formed when the volcano collapsed then slightly faded away b. The elliptical feature towards the center - The center of the picture is a Volcano in mars c. The smaller round features inside and around the elliptical feature - The round features seem to be heated rock rising following the volcanic eruption 2. Is this region young or old compared to the Moon? How can you tell? - This looks young compared to the moon compared to how many more craters the Moon has compared to this picture of Mars 3. All four of the geologic processes that shape planetary surfaces can be seen in the image above. Label at least one example of each - Top right of the picture there is an example of impact cratering Top left of the picture there is an example of a volcano that was formed Middle of the picture shows erosion making the big canyon showed Right of the picture right below the craters show the tectonic plates colliding 4. In what direction did the water flow? - The water seems to flow upward or north 5. Is this a relatively old or young region of Mars? How can you tell? - Old due to how many craters are shown and the erosion in the picture 6. The bright streaks on the image are from dust blown from the craters. From which direction to which direction did the wind blow. North is up. - The wind is blowing starting from the NW then down to the SE 7. What process formed the feature marked “A”? How can you tell? - A volcano is the aftermath of how that feature is formed 8. What process formed the feature marked “B”? How can you tell? - A crater hitting the surface is how the feature is formed 9. What is the relationship between the features marked C and D? North is up. The region slopes to the North. - It seems to be they are both made from the plates colliding with one another 10. Order the features (A-D) according to when they formed (1=oldest). - D--->A--->B--->C VENUS 1. In general, smooth areas show up dark on radar images and rough areas show up bright. For the crater on the right, describe the smoothness/roughness of the rim, floor, and ejecta. - The rim and ejecta are rough while the floor in the inside/center appears to be smooth 2. Did the crater at the middle-right form before or after the rift that runs North-South? How can you tell? North is up. - It looks like the crater his before since the river is going over the crater 3. Label coronae, lava flows, impact craters, and rifts on the image above. - Circles on the right are the Coronae The spotted colors that look sort of tie dye like are the lava flows The bright white sports are the impact craters The vein-like lines at the top of the picture are the rifts LANDFORM TABLE 1. Highlands → 1, 5 2. Maria → 2, 6 3. Impact Crater → 9, 10 4. Terraced Crater Walls → 12, 19 5. Central Crater Uplift → 13, 20 6. Crater Ejecta → 11 7. Ray → 3, 18 8. Multi-Ringed Basin → 4 9. Lava Flow → 14 10. Rille → 16 11. Wrinkle Ridge → 15 12. Cinder Cone → 10 13. Dome → 16
