Q2) How is organic matter trapped and transformed to create an oil reserve? (3 p
ID: 294305 • Letter: Q
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Q2) How is organic matter trapped and transformed to create an oil reserve? (3 points) Q3) What are strategic minerals? (2 points) Q4) An ore deposit at a location in Arizona has the following characteristics: One portion of the ore deposit is an intrusive igneous rock in which tiny grains of copper sulfide minerals are dispersed among the other minerals of the rock. Another nearby portion of the ore deposit consists of limestone in which malachite fills cavities and pores in the rock. What types of ores are these? Describe the geologic history that led to the formation of these deposits. (5 points) Q 5) How can ground shaking cause fairly solid layers of sand or mud to become weak slurries capable of flowing? (3 points) Q 6) How does a braided stream differ from a meandering stream? (3points) Q 7) What causes the tides? Why does the range and reach of tides vary with location? (5 points) Q 8) A hotel chain would like to build a new beachfront hotel along a north-south-trending stretch of beach, where a strong longshore current flows from south to north. The neighbor to the south has constructed an east-west-trending groin on the property line. Will this groin pose a problem? If so, what solutions could the hotel try? (5 points)Explanation / Answer
2) When organic matters are subjected to higher temperature and pressure, these gets turned into more and more dense long chain hydrocarbon chained polymorphs. Therefore the landforms under which these hydrocarbons are formed, trap these resources and preserve them for very long periods of time. Under the application of such kind of burial pressures and temperature, they get turned into petroleum/oil reserves.
3)Strategic minerals are considered to be a broad based category of minerals and elements whose distribution is specified in a definite region or a country. Therefore these minerals are also called "Critical" minerals. These minerals generally consists of maximum proportions of minor elements rather than major ones.
6) A braided stream is generally formed in a region of higher elevation where the sediment load is less and the velocity of the streams are usually high. These streams undergo a forward erosional activity and hence the sinousity associated with such kind of streams are very low.
Whereas, the meandering streams are generally associated wiht regions of lower elevations and availability of higher sediment load. The velocity of these streams are very less as compared to the Braided ones and hence the erosional activity is maximum towards the concave part of the stream and deposition towards the convex part of the stream resulting in the increase of sinousity. Hence the erosional and depositional features are mainly associated with the side ways of the stream.
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