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Greeley [361]
3 years ago
14

10 POINTS How is natural gas harnessed from the Marcellus Shale?

Geography
2 answers:
NARA [144]3 years ago
8 0

<u>Answer:</u>  

The natural gas is harnessed from the Marcellus Shale by using the technique of hydraulic fracturing.

<u>Explanation:</u>

  • The Marcellus Shale is a sedimentary rock about 7,000 to 12,000 feet below the Earth's surface lying beneath the states of New York, West Virginia, Ohio and Pennsylvania.
  • It is one of the world's richest deposits of natural gas. To extract the natural gas from this shale, the technique of hydraulic fracturing is used in which the Earth is drilled vertically and hydraulic agents like water and other chemicals are introduced into the Earth's surface at high pressure, forcing the gas to rise up to the surface.
PSYCHO15rus [73]3 years ago
7 0

Both vertical and horizontal Marcellus Shale wells produce marketable quantities of natural gas. The drilling process focuses first on reaching – and protecting – water-bearing zones beneath the ground. This allows for the extraction of larger quantities of natural gas from a single wellhead.

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Which of the following is not a principle of relative-age dating?
Anastaziya [24]

Answer:

A. In undisturbed rock layers, the youngest rocks are on the bottom.

C. If one rock contains pieces of another, the rock containing the pieces is older than the pieces.

Explanation:

Relative dating is a form of dating rocks in which past events in geologic records are put their proper order without necessarily knowing their absolute ages. There are several principles that helps in relative dating of rocks. These principles are:

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Option A and C are false statements of principle of superpositon of strata and principle of inclusion.

A. In undisturbed rock layers, the youngest rocks are on the bottom.

According to the principle of superpositon of strata, "the oldest sedimentary rock layers are usually at the bottom and the youngest on the top".

C. If one rock contains pieces of another, the rock containing the pieces is older than the pieces.

This is a false statement of principle of inclusion, the principle states that "inclusions found in a sedimentary rock are older than the rocks that contains them". Inclusions are fragments or pieces of other rocks that are found in a rock. These inclusion are believed to be older than the rocks they are found in.

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zhannawk [14.2K]
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