Minerals
Name two by-product of coal.
Phenol, creosote oil, naphthalene. aspirin soap, dyes and fabrics
Plateaus of centres of ___________________ industry.
Mining
A large estuary formed by River Parana, river Paraguay and river Uruguay
Rio DE La Plata
A crack in the rock strata
Fault
Metallic minerals contain __________ in their chemical composition.
etals
Ore of Aluminium
Bauxite
. A piedmont plateau of India.
Malwa Plateau
Define Selvas.
Equatorial rain forest found in Amazon river basin of South America
Metallic minerals show a _____________ in their appearance.
metallic shine
Non Metallic minerals are ____________ in nature.
Brittle, not ductile, soft
Name two states of India which are the leading producer of Iron ore
Chhattisgarh and Karnataka
These mountains are also called as mountains of accumulation.
Volcanic Mountains
Define Gran Chaco.
Extensive alluvial plain found in the western side of La plata river basin.
Define Plain
A broad area of relatively flat land
The Atacama is one of the driest area.
located at the rainshadow area / leeward side of Andes
Electrical industry uses bauxite - why
Good conductor of electricity
Write any two characteristics of plateau.
Broad rises sharply above the neighbouring land.
Generally More than 300 m above the sea level.
They are rich in minerals
Two volcanic ranges of Andes
Cotopaxi and Chimborazo
. ________ Mountain in North America is an example of old fold mountain.
Appalachian Mountain
Define ores
Ores are the minerals that have a high concentration of a certain element typically a metal
Bauxite is used for making aircraft and ship. Give Reason
Light in weight
The plains are thickly populated.
Fertile land, availablity of water
What are Llanos?
Tropical grassland found in Orinoco basin
Differentiate between Metallic and Non-metallic minerals
Metallic minerals
Non-metallic minerals
1. Metallic minerals show metallic shine in their appearance.
2. They contain metals in their chemical composition.
3. They are ductile.
4. They are strong and hard
1. They appear with non-metallic shine or lustre.
2. Do not contain extractable metals in their chemical composition.
3. They are brittle in nature
4. They are usually weak and soft
Minerals are valuable natural resources
Minerals are basic and essential raw materials in our daily life and are vital for economic, social and technological development. Hence minerals are valuable natural resource.