Comprehension check

1. What types of sedimentary rocks do you know?

2. How is clastic sediment named?

3. What is sorting?

4. What factors does sorting depend on?

5. What affects sorting?

6. What is lithification?

7. What does the word sandstone refer to? What does sandstone commonly consist of?

8. What is chert?

9. How does coal form?

Word-building.

a) Give the verbs corresponding to the following nouns and translate them into Russian:

division; erosion; abrasion; conclusion; production; lithification; precipitation; rotation; accumulation; circulation; compaction; evaporation.

b) State to what part of speech the following words belong and translate them into Russian:

flat – flatten – flattened; rotate – rotation – rotational; constitute – constituent – constitution; transport – transportation – transporting – transported; deposit– deposition – depositional; depend – dependent – dependence – depending – independent – independently; vapor – evaporate – evaporation – evaporating; vary – various – variable – variation – variety; loose – loosen.

Lexical exercises.

a) Find in the text equivalents of the following:

проточная вода; эродировать разложившуюся породу; большое экономическое значение; главный энергетический источник; состоять из обломков выветренных пород; округленные частицы; впадать в океан; во время транспортировки; разбивать породу на части различных размеров; сопротивление течению; предохранять частицы от абразии; прочность частиц влияет на сортность; состоять из ила и песка; обращать несцементированные осадки в твердую породу; состоять из литифицированных песчаных зерен.

b) Match the words in (1) with the words in (2) and translate the word combinations into Russian:

1. Flowing; raw; clastic; sand; plant; loose; hard; dark; flat; microscopic; main.

2. Component; sediment; surface; material; grains; rock; water; remains; examination; in color.