DISCUSSION: Classification of sedimentary rocks (R.P – 6.1, 6.2)

5.1. Situational games: use the following key words and communicative formulas

A. Discuss the following statements, discussing them with your group mates (agree / disagree / doubt)

· When parent rock breaks up its minerals behave in similar ways

· Coal types vary according to the processes involved

· Three main minerals tend to settle in a sequence-

- gypsum

- sodium chloride

- calcium carbonate

B. You are going to take your exam in geology. There is one difficult question that you don’t understand – HOW THICK EVAPORATE LAYERS WERE FORMED.

C. Image that you are sediment. Your group mates are minerals. Act out the processes of converting sediments into a rock.

5.2 You have to give a lecture on sedimentary rocks. Use the following diagram.

Sedimentary Rocks

 

mechanical sediments chemical sediments organic sediments

 

destructive mechanical destructive chemical action of the decay

action of water, wind, etc. action of water of the remains of

organisms

unconsolidated consolidated rock salt, gypsum coal, peat,

(uncemented (firmly

particles) cemented

particles)

Group discussion

STAGE 1: Group work responding to a text discussion. During this stage, each group will discuss its own topic.

GROUP A 1. Classification of sedimentary rocks

according to grain-size

GROUP B 2. Classification of sedimentary rocks

according to components.

GROUP C 3. What are conglomerates?

GROUP D 4. What are breccias?

STAGE 2: Sharing ideas of response to the text. Divide the students into 2 new groups, so that each group has a member with different information

Now the members of each new group will share their ideas.

Then, each group will prepare a summary, which is presented to the whole class.

II. Jig-saw plan (1-2 minute) short one-point talk.

III. Multi-point conversation. (5 minutes)

GENERAL FORMULAS FOR ORAL COMMUNICATION

Let me think Дайте сообразить

By the way Между прочим

First of all Прежде всего

To come back to Возвращаясь к …

To my mind По-моему

If you ask me Если Вы хотите знать мое мнение

I don’t quite follow you Я не совсем Вас понимаю

I mean to say Я имею ввиду

Do you mean to say Вы хотите сказать, что …

I am inclined to think Я склонен думать

It’s not to the point Это не по существу

You’ve got it all wrong Вы совершенно неправильно это поняли

Keep to the point Говорите по существу

Suppose Предположим

As far as I know Насколько мне известно

As a matter of fact По сути дела

The matter (thing/fact/point) is that Дело в том, что…

On the whole Подводя итоги

In short Короче говоря

Oh, well, just simply Просто

You see (you know) Видите ли

So to say Так сказать

WORDLIST

PRONUNCIATION

TERMS

WORDS AND PHRASES

UNIT 7

METAMORPHIC ROCKS

COMPREHENSION

Vocabulary

1. Pay attention to the pronunciation of the following terms:

2. Pay attention to the underlined terms and expressions in the text:

3. Read the following word formations and remember their pronunciation: