Survey (surveying) surveyor(s) surveyed

Укажите, какие предложения соответствуют содержанию текста. Подтвердите свои ответы фактами из текста.

1. The search for economically useful mineral deposits is
called proving.

2. Last century prospectors looked for visible evidence of min­
eral deposits.

3. The first ores of iron to be mined were deposits of galena.

4. The science of geology can explain the mode of occurrence of
ore deposits.

5. As a rule prospecting includes four stages.

6. The study of general topographical relief and the type. of
ground makes it possible to expose this or that deposit.

7. Geologists know that certain deposits are only found in a
particular type of ground.

8. As is known, veins are found in metamorphic rocks.

8. Ответьте на следующие вопросы:

1. What is prospecting?

2. What is proving?

3. How did prospectors find mineral deposits in the 19th century?

4. Does gold occur in nature as a heavy malleable yellow metal
or as a heavy dark-grey one?

Unit 7_____________________________________________ 169

5. What metal is capable of attracting a piece of iron?

6. What does prospecting work provide?

7. What are the three main stages of prospecting?

8. Is it enough to know only the topographical relief of a locality
for exposing this or that mineral?

9. What methods of prospecting do you know?

10. What are the most effective aerial methods of prospecting
now?

9. а) Найдите • правой колонке русские эквиваленты следующих слов и сочетаний слов:

1. country rock а) залегание рудных месторождений

2. panning б) блестящий металл

3. the search for commercially в) коренная (основная) порода
useful deposits г) дополнительные запасы минералов

4. geological exploration д) промывка (золотоносного песка

5. to look for evidence of miner- в лотке)

alization e) геологическая разведка

6. distinctive properties (с попутной добычей)

7. lustrous metal ж) искать доказательства наличия

8. capable of attracting a piece месторождения

of iron з) отличительные свойства

9. additional supplies of и) поиски экономически полезных
minerals месторождений

10. the occurrence of ore deposits к) способный притягивать кусок

металла

б) Найдите в правой колонке английские эквиваленты следующих слов и сочетаний слов:

1. стоимость геологических иссле- a) the data obtained

дований б) galena, sandstones and

2. выходить на поверхность (обна- shales

жаться) в) the cost of geological

3. произвести предварительную investigations

оценку (месторождения) г) to crop out

4. визуальные наблюдения с воздуха д) certain ore deposits

5. полученные данные e) to make a preliminary

6. галенит, песчаники и сланцы estimation (of a deposit)

7. общие показания ж) visual aerial observations

8. находить признаки месторождения з) to find the signs of a deposit

9. определенные рудные месторождения и) general indications

10. Подберите из списка А и Б близкие по значению слова:

А. Б.

1. improve a) alike

2. supply б) seam

3. purpose в) get, receive

4. various г) of course

5. similar д) look for

6. manufacture e) aim

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7. obtain ж) make better

8. search з) produce

9. bed и) different

10. size к) provide

11. certainly л) dimension

11. Определите, какой частью речи являются выделенные слом.
Переведите предложения:

1. The search for primary gold deposits can be made by
metallometric methods of prospecting.

2. The main aim of geological prospecting is to search for eco­
nomically useful deposits.

3. Geologists study geological prospecting maps drawn up on the
basis of the preliminary search and forecast of the possible
occurrence of new deposits.

4. The study of the character of a locality in the area of search
will help determine prospecting methods to be used.

5. Prospecting work provides information on the cost of the
geological investigations. It indicates how much these investigations
cost and whether it is advisable to continue the exploration.

6. Geologists use geophysical methods.

7. As is known, the use of certain bacteria helps search for oil
and gas.

12. Заполните пропуски в предложениях, используя приведенные слова:
explore exploratory exploration exploring

a)l.... deals with a complex range of geological, mining and economic problems. Its main task is to determine the quality, shape and mode of occurrence of mineral deposits and their main properties.

2. Exploration includes drilling and driving of... openings.
These... openings can supply the most accurate information on the
mineral exposed by them.

3. While... a deposit the geologists establish its general size,
determine shape, dimensions and quality.

4. The geological party was sent to... a new deposit.

6)1. In recent years combined geophysical... by air has been used on a wide scale.

2. In modern... automation is being used in recording the field measurements.

Unit 7_____________________________________________ 171

3. Now the... need only to set up the instrument in the field
and it will do all recordings automatically.

4. Laser is being used by mine... now.

5. Underground working can be... by modern methods.

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