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35. Which words from your active vocabulary are given here?

_ _ I _ _ I _ _

_ _ _ N _ A _ _ _ __ _

_ _ _ U _ _

_ _ I _ E _ _ _ _

_ _ P _ _ _ _ E_ _

_ _ _ _ _ S _ _ I _ _

_ _ _ _I _ A _ _

_ _ P _ _ _ _ _O _ _ _

36. Choose the suitable word from the given variants.

  1. Magnetometers provide the high degree of accuracy which is required\ arise from\ supplemented in oil exploration.

  2. The scientists subject to\ assume\ resolve that the earth’s mantle falls into upper and lower part.

  3. The magnetic anomalies from fifty to several hundred gammas eliminate\ arise from\ affect variations in topography and composition of igneous rocks or igneous intrusions.

  4. Sometimes measurements of magnetic vertical intensity are coincide\ supplemented by\ alter the horizontal intensity investigations.

  5. External forces such as water, wind and glaciers owe to\ eliminate\ affect the formation of sedimentary rocks.

  6. Everything and everybody are subject to\ induce\ is superimposed upon the laws of nature.

  7. The principles are subject to change or elimination as new scientific facts handicap\ assume\ supplement our knowledge.

  8. The intensity\ closure\ mechanical stress of a match was not enough to light the room.

  9. The voice of the singer was resolved\ altered\ superimposed upon the tune.

  10. The terrestrial magnetic field may eliminate\ induce\ fall into the magnetization of a magnetic body.

37. Make up sentences, add words if necessary.

1. rocks/ magnetic content/ heat/ mechanical stresses/ disintegration/ numerous factors/ are/ affect/ which/ magnetic characteristics.

2. may/ structural forces/ magnetic formations/ disposition/ alter.

3. temperature/ correction/ arises from/ magnets/ instrument/ fact/ lose/ increase in temperature/ strength.

4. represented/ generally/ form/ lines/ magnetic exploration/ results/ curves.

38. Translate the following sentences into English.

1. Одна стотысячная гаусса называется гамма.

2. Такие помехи как заборы, мосты и трубопроводы должны находиться на существенном расстоянии во время магнитной разведки.

3. Прямой метод интерпретации применяется, когда магнитная аномалия проистекает только из геологического тела.

4. В магнитной разведке измерение полного вектора, скорее исключение, чем правило.

5. Изверженные породы и железные руды сильно намагничены, в то время как осадочные породы слабо намагничены.

6. На магнитные характеристики пород воздействуют следующие факторы: магнитная доля, размер зерен, молния, теплота и т.д.

7. Планетарная поправка устраняет нормальные колебания магнитного поля земли в зависимости от широты.

39. Change the sentence using the given word. The meaning of a new sentence should be approximately the same.

Example: Igneous rocks and iron ores are strongly magnetic.

(magnetization) →Igneous rocks and iron ores are characterized by high degree of magnetization.

1/ An important factor in the interpretation of magnetic methods is that rock magnetism is of bipolar nature.

(interpret)__________________________________

2/ Fields of geologic bodies are superimposed upon a normal terrestrial field.

(Earth) __________________________________________

3/ The accuracy requirements in magnetic prospecting are less.

(accurate)____________________________________

4/ Magnetic fields are generally expressed in gauss.

(expression)______________________________

5/ The vertical component exhibits the clearest relation between magnetic anomaly and disposition of a geologic body.

(locate) __________________________________

6/ Measurements of the magnetic vertical intensity are preferred in magnetic prospecting.

(measure)_________________________________

7/ Magnetic anomalies of geologic bodies are dependent on their magnetic susceptibility and remanent magnetism.

(depend) _________________________________

8/ Magnetic characteristics of rocks are affected by such factors as: magnetic content, grain size, mechanical stress and others.

(determine\ influence) _________________________________

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