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Task 4. Answer the following questions, using the vocabulary from Task 1.
1. What are metamorphic rocks produced from?
2. What is a parent rock?
3. What does the word “Metamorphism” mean?
4. Define the term “Metamorphism”.
5. Where does metamorphism take place?
6. Can the intensity of metamorphism vary substantially from one environment to
another? If yes, provide an example.
7. When does the common sedimentary rock shale become the more compact
metamorphic rock slate?
8. What happens to the intensity of metamorphism in more extreme environments?
9. What happens to the intensity of metamorphism in the most extreme
environments?
10. Name the agents of metamorphism. Is the contribution of each agent to the
degree of metamorphism the same?

Task 5. Build up 5 types of questions to the 3 underlined sentences from the
text.

Task 6. Find English equivalents for the following (see the text). Try to
build up your own sentences with them.
Трансформація однієї гірської породи в іншу; зміни у змісті мінеральних
речовин; хімічний склад порід; у відповідь на; істотно різнитись від одного
середовища до іншого; ідентичність материнської породи; площина
напластування; підпадати під дію спрямованого тиску; газові пухирці (у
мінералі); тепло; внесок кожного агента.

Task 7. Build up the annotation to the text (in written form).

Grammar focus
Participle

Task 1. Translate the sentences into Ukrainian paying special attention to
the underlined participles. State the type (I, II) of the participles.
1. The rain of pumice continued for several hours, accumulating at the rate of 12 to
15 cm per hour.
2. Once the passageway is completed, the hot gases, armed with rock fragments,
erode its walls, producing a larger conduit.
3. As magma moves up in the vent, the gases rapidly expand, generating a melt that
resembles the froth that flows from a bottle of champagne.
4. Feldspar masses the size of houses have been quarried from a pegmatite located in
North Carolina.
5. Some lahars may be triggered when magma is emplaced near the surface, causing
large volumes of ice and snow to melt.
6. More than 100,000 people live in the valleys around Rainier, and many homes are
built on deposits left by lahars that flowed down the volcano hundreds or
thousands of years ago.
7. One well documented event of historic proportions was the AD 79 eruption of the
Italian volcano we now call Vesuvius.
8. These low-density clouds, called surges, can be deadly but seldom have sufficient
force to destroy buildings in their paths.

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