phosphorite

Table of Contents

Introduction References & Edit History Quick Facts & Related Topics

Images

noncarbonate, nonclastic sedimentary rocks

Read Next

Planet Earth and lunar moon from space

Where Did the Moon Come From?

Earth from space. Full-hemisphere views of the Earth showing Hurricane Linda at its peak approaching Baja California on 1997 September 11.

What Is Earth’s Velocity?

solar eclipse, sun, moon, astronomy, space

How Do You Tell the Difference Between Total, Annular, Solar, and Lunar Eclipses?

Arrangement of the phases of the moon in total eclipse with Blood Moon

9 Celestial Omens

Solar system illustration. (planets; sun)

Why Are Planets Round?

Discover

Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.

5 Remarkably Close U.S. Presidential Elections

President Barack Obama signs the White House Initiative on Educational Excellence for African Americans Executive Order in the Oval Office, July 26, 2012

What Is an Executive Order?

jeans, denim, pants, clothing

Why Do We Say “A Pair of Pants”?

Washington, D.C. locator map.

What State Is Washington, D.C. In?

Martin Luther King, Jr.

Why We Celebrate MLK Day

The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

Flag of Bhutan

6 Small Kingdoms of the World

phosphorite: References & Edit History

More Articles On This Topic

Assorted References

major reference
- In sedimentary rock: Phosphorites
phosphate minerals
- In phosphate mineral
source of phosphorus
- In phosphorus: Occurrence and distribution
- In chemical industry: Phosphorus

distribution

offshore deposits
- In mining: The seafloor
Permian Period deposits
- In Permian Period: Economic significance of Permian deposits
phosphate deposits
- In nodule
Precambrian sediments
- In Precambrian: Shelf-type sediments
- In Precambrian: Paleogeography

Article Contributors

Primary Contributors

The Editors of Encyclopaedia Britannica

Other Encyclopedia Britannica Contributors

Article History

Type	Description	Contributor	Date
	Invalidated site: US Geological Survey.	Emily Rodriguez	Jan 26, 2020
	Removed table.	Adam Augustyn	Aug 15, 2018
	Add new Web site: Indianetzone - Indian Phosphorite Mines.	Darshana Das	Dec 10, 2010
	Article revised and updated.	John P. Rafferty	Dec 08, 2006
	Article added to new online database.	The Editors of Encyclopaedia Britannica	Jul 20, 1998