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AS and A Level: Rocks & Weathering

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  1. Determining the paleoenviroment and tectonic history of a small area (Cocklawburn Beach)

    I think that I am most likely to find Sedimentary rocks that will be in recurring cyclotherms containing a lot of fossils and other structures, and that have also been affected by a lot of faulting and folding. To collect the data for the items I have outlined above, I will go to the beach and construct a sedimentary log. I have already tested this method on another beach in the same area as Cocklawburn beach, at a area called Cullernose point This log will encompass most of the data that I will need to collect, however I will also

    • Word count: 3873
  2. Find out why there is no Carboniferous Limestone visible around the Somerset area.

    Background Information The Devonian was a period of arid deposition. Britain was in the tropical latitudes just south of the equator. Since Britain lay on the southern margin of a continent, the sediments in the North of Britain were deposited on land. This is irrelevant for the southern half of Britain where this investigation is centred on. The sediments in this part came from the large rivers. This is evident from the ripple marks and the other features associated with a fluvial environment.

    • Word count: 9864
  3. Construct two Graphic Log Sections, one on the eastern exposure (ST 3375 6645) and one at the western exposure (ST 3245 6605) of the Carboniferous Limestones and volcanic rock exposed in the low, coastal cliffs - compare the two.

    The problem was that the surface of the rocks could be uneven from erosion causing the data to be not very accurate. Colour With a hammer and wear safety goggles and a hard hat, the colour of the rock was found out by chipping off a small bit from the main bed. This uncovered and clean surface colour free from erosion There were very little problems with this collection; however, some of the rocks were very hard to chip away at.

    • Word count: 3310
  4. In this Essay I will inform you of the social, economic and environmental advantages/ disadvantages which relate to the activity and outcomes of the Limestone Industry.

    Using ammonium salts such as ammonium nitrate provides the crops with a high concentration of nitrates but this is decomposed by the plant leaving(Depending on the reactants in the salt.) Sulphur, Nitric and other harmful Acids building up in the soil, thus reduces the pH of the chemicals surrounding the crops below pH7, which in turn can substantially stunt the growth and health of the crop and eventually kill it. It also contaminates and poisons animals and drinking water since the acids are washed away into the ground and into Rivers and Lakes.

    • Word count: 3313
  5. Rock Collection Science

    Erosion and weathering can break down metamorphic rocks to form sediment, which can be compacted into sedimentary rock. Igneous Rock Igneous rocks are formed from the molten liquid minerals that lie below the earth's crust. They're formed from magma that cools beneath the earth's surface or from lava that cools upon the earth's surface. These two methods of igneous rock formation are known as intrusive and extrusive, respectively. Intrusive igneous formations can be forced to the surface of the earth where they can exist as masses of rock known as plutons. The largest types of exposed plutons are called batholiths.

    • Word count: 5634

Conclusion analysis

Good conclusions usually refer back to the question or title and address it directly - for example by using key words from the title.
How well do you think these conclusions address the title or question? Answering these questions should help you find out.

  1. Do they use key words from the title or question?
  2. Do they answer the question directly?
  3. Can you work out the question or title just by reading the conclusion?
  • To What Extent Does Limestone Give Rise To Distinctive Land Forms.

    "So in conclusion to the question "To What Extent Do Limestone Give Rise To Distinctive Land Forms" in my opinion limestone does give rise to distinctive land forms, after all in some parts of England, there is just grey pavement of lime stone, where the rain has taken away all the soil and left the limestone to slowly erode. Because of limestone there are springs and rivers, which become waterfalls and rivers leading for miles, dry valleys, where porous limestone has absorbed all the water leaving a dry valley. Mountains and hills, made of limestone, steep hills, smooth shaped hills, vertical mountains, some climbable, not impossible all due to limestone, as I say it like this, it appears to me that limestone shapes the earth, it plays a big part in our everyday lives, Chalk for black boards, Massive Limestone for building (St. Paul's Cathedral). The lay of the land, especially down in the south west of England in the county of Dorset, is due to the limestone, after all the ridge way, is a nice smooth hill, all because it is on a soft limestone; Chalk."

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