need a detailed response to these questions: 1.Suppose a large meteorite struck
ID: 803021 • Letter: N
Question
need a detailed response to these questions:
1.Suppose a large meteorite struck a pile of clastic sedimentary rock. How would pressure and temperature change in the rock? Would the effects be the same for rock on the moon as for rock in a sedimentary basin on earth?
2. Many features that have been discovered on Mars suggest that the surface was eroded by water. What kind of evidence would you look for to develop a strong hypothesis that Mars was eroded by liquid water? Can you think of any other reason how some of the landscape features on Mars might have formed without liquid water flowing on the surface?
3. The theory of Punctuated Equilibrium proposes that, contrary to Darwin’s concept of gradual evolution, most species remain static, in stasis, changing very little for long periods of geological history, until some significant evolutionary change occurs. This change creates a climate conducive to rare and rapid evolution that can then occur quickly. In other words, evolutionary change is not gradual, but “punctuated.” A corollary in geology or meteorology might be that a beach will change gradually from wave action over many years, but during a hurricane, it changes dramatically all at once – that is a kind of punctuated equilibrium. This theory was proposed by Paleontologists Niles Eldridge and Stephen Jay Gould.
Geology can be looked at with this theory as well – the earth remains in virtual stasis for extended periods, and then an earthquake, volcano or even significant weather event like a hurricane can dramatically alter the landscape and change things on Earth’s surface significantly in one moment.
Think about geology and the processes of weathering from this unit. Some of these processes are rapid (landslides, earthquakes, tsunamis, drought, etc.), and some very slow (glacial flow, soil creep, regolith turning to soil).
In a few sentences, explain in your opinion which process you think dominates the geologic history of the earth, and why?
Explanation / Answer
3. In my opinion slow process are dominant in order to shape the earth because this process are very slow and they are in operational for a very long geological time period. Well we all know that the our earth what we see today was not the same through the geological time earlier it was just an burning ball of fire from their it cooled to form an solid matter then the other agent of erosion started to play role in shaping the earth. This lead to the development of the secondary rock type which is covering the most of the surface area where as if we consider the volume part then the volumetrically the earth volume is composed of solid primary rock type i.e., Igneous. This rapid process work on the secondary rock type so the result is being evident where as if this rapid process if acted on the primary rock type then it would definitely would have not resulted any or little observable change.
2. I would prefer to look to two aspect to say any thing about the landscape features of Mars:
Geomorphic features
Studing the rock samples.
Studying the geomorphic features it’s evident that the following features have been observed on the mars surface.
Lakes and river valleys: they appear similar to that of the earth feature type.
Lake delta: there is no dissimilarity between the earth and the mars feature is also similar to that of the earth
Rock studies also indicates the presence of hydrous minerals on the mars surface indicates that this product was the product of the weathering caused by the water on the mars surface.
I don’t find any other explanation to contradict this mineralogical aspect to to be proven wrong to give any other alternative theory regarding the morphological change on the mars surface.
1. As there is an sudden meteoritic impact this will suddenly the pressure on the clastic material with relatively low to nil increase in the temperature this will result in the ultrahigh pressure metamorphish in which the SiO2 polymorphs can develop such as coesite and stishovite also it can develop the texture such as shock lamellae in minerals grains.
When compare with the moon it has no atmosphere it can have more impact and it would have converted the surface into regolit. The moon composed of mainly of breccia with varied composition. The clasts consists of mainly igneous rock mainly basalts and coarser-grained gabbros and of anorthosite.
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