answersLogoWhite

0

How is chalk formed?

Updated: 8/9/2023
User Avatar

Wiki User

15y ago

Best Answer

Chalk forms from the deep marine accumulation of the plates of organisms called coccolithophores. The plates are composed of the mineral calcite.

User Avatar

Wiki User

15y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How is chalk formed?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

When was chalk formed?

Most chalk was formed in the Cretaceous period, from about 138 million to 65 million years ago.


What is the difference between limestone and chalk?

they are both rocks but both formed different ways chalk is formed by dead sea creatures skeleltons build up to form chalk and limestone is formed by shells and very littke amounts of mud and sand


What three products are formed when chalk is put in vinegar?

When you put chalk in vinegar the chalk is dissolved and broken down. However, as a result of the mixture of compounds co2 is formed.


Why are bubbles formed when chalk is dipped in water?

due to capillary action water raises in chalk.. and the air in it comes out in form of bubbles...


What is a sedimentary rock formed from deposites of shells?

Limestone and chalk.


Chalk formed from sediments made of skeletons of microscopic living things in the ocean must be a?

Chalk formed from sediments made of skeletions of microscopic living things in the ocean must be a(n) organic rock.


What type of sedimentary rock formed from the remains of coral and sea shells?

Limestone and chalk.


Why does cola dissolve chalk?

Chalk is calcium carbonate. Cola is an acid. When these two compounds mixed, hydrogen carbonate is formed. This compound is water soluble, and thus chalk mixed with and acid like cola dissolves in water.


What is the name of the last period of the mesozoic era when chalk deposits formed and plants appeared?

cretaceous


Is it possible that white chalk like spots on teeth can be formed due to lack of calcium?

yes


What is an example of an organize sedimentary rock?

Limestone and chalk are formed from organic material Limestone - Clastic shell fragments Chalk - Microscopic shells of calicum carbonate plates formed by single celled algaes Chert - Microscopic siliceous organisms, recrystallized silica


What is an example of a sedimentary rock that is biochemical (organic)?

Limestone and chalk are formed from organic material Limestone - Clastic shell fragments Chalk - Microscopic shells of calicum carbonate plates formed by single celled algaes Chert - Microscopic siliceous organisms, recrystallized silica