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Physical Structure of India - Short Trick

Rock systems, Himalaya, passes, peaks, plateau, plains, coasts and lakes — one sentence each

1 trick sentences8 pairs8 parts
0 / 2 learned · 0%
How to read
  • Guru Ram Each coloured word = one name in the list, shown below in the same colour
  • Panda Two colours in one word = two names
  • ➜ Order the numbered order matters · ⇄ Any order no order
1

Geological Structure

The order in which India’s rocks formed, and what each rock system is remembered for.

Trick 1

Rock systems — which formed first

➜ oldest to youngest

Aunty’s dhaba cooks veg gravy for Dev’s team quickly.

  1. 1Archaeanoldest, the basement rocks
  2. 2Dharwaroldest sedimentary
  3. 3Cuddapah
  4. 4Vindhyan
  5. 5Gondwanalate Carboniferous to Jurassic
  6. 6Deccan Traplava at the end of the Cretaceous
  7. 7TertiaryEocene to Pliocene
  8. 8QuaternaryPleistocene and Holocene

The Archaean, Dharwar and Cuddapah rocks hold no fossils · the Gondwana rocks do.

Pairs

Each rock system — what to remember

8 sentences

Aunty laid the base of the house.

Archaean=The basement rocks — gneiss and schist · oldest gneiss: Bundelkhand gneiss

The dhaba uses iron pans.

Dharwar=India’s oldest sedimentary rocks · iron, manganese, gold, copper · the Aravalli is made of them

Cooks cut a half-moon roti.

Cuddapah=A crescent-shaped belt in Cuddapah (Kadapa) district, Andhra Pradesh · limestone, marble, asbestos

A veg stall outside the Red Fort

Vindhyan=Red sandstone — Red Fort, Sanchi Stupa · limestone for cement · Panna diamonds · Chittorgarh to Sasaram

Gravy cooked on coal

Gondwana=About 99.6% of India’s coal · Damodar, Mahanadi, Godavari valleys

Dev sat on the black steps.

Deccan Trap=Basalt lava in step-like layers (Swedish trappa = stair) · weathers into black (regur / black cotton) soil

Team members took petrol on a Himalaya trip.

Tertiary=The Himalaya rose in this period · petroleum (Assam, Gujarat, Mumbai High) and lignite (Neyveli)

Quickly pick the saffron.

Quaternary=The youngest layers — alluvium of the plains · saffron on the karewas of Kashmir

2

Himalaya — Ranges, Faults and Sections

The parallel ranges, the four great faults, the rivers that divide the Himalaya and the Purvanchal hills.

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3

Peaks and Glaciers

The eight-thousanders, the longest glaciers, and the highest peak of every state and UT.

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4

Major Passes

The passes of each state / UT in one sentence, the Ghat passes and the height records.

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5

Peninsular Plateau

The parts of the Vindhya and Satpura, the hills north to south, which hill each peak is in, and the plateau’s nicknames.

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6

Great Northern Plains

The four belts of the plain, special words of the Shiwalik and the plain, the Punjab doabs and the old names of the Ganga plain.

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7

Coasts and Islands

The parts of both coasts north to south, the Andaman-Nicobar peaks and Visakhapatnam.

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8

Lakes of India

The lake superlatives, and which lake is a state’s first or largest.

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Read the full chapter for the complete notes — a trick helps you remember the list; understanding comes from the notes.