Lonar Lake

Subject: Environment/Geography

Context:

The colour of water in Lonar Lake has changed to pink

Concept:

Reason:

• The low level of water may lead to increased salinity and change in the behaviour of algae because of atmospheric changes. This may be the reason for colour change. This is not the first time that the colour of water has changed
• It is also known as Lonar crater, which was formed after a meteorite hit the Earth some 50,000 years ago
• It is a notified national geo-heritage monument.
• Geological Survey of India (GSI) declares geo-heritage sites/ national geological monuments for protection and maintenance