Contents
- 1 What are examples of chemical sedimentary rocks?
- 2 Is calcite a chemical sedimentary rock?
- 3 What are the characteristics of chemical sedimentary rocks?
- 4 What is unique about chemical sedimentary rocks?
- 5 What are the two categories of chemical sedimentary rock?
- 6 What are three important types of chemical sedimentary rocks?
- 7 Which is an evaporite and which is a sedimentary rock?
- 8 What kind of sedimentary rock contains halite and gypsum?
What are examples of chemical sedimentary rocks?
Chemical sedimentary rocks form when dissolved materials preciptate from solution. Examples include: chert, some dolomites, flint, iron ore, limestones, and rock salt.
Is calcite a chemical sedimentary rock?
The sedimentary rocks composed largely of calcite include limestones of chemical and biochemical origin and also limestones usually referred to as clastic because they consist of transported fragments of previously deposited, typically biogenetic materials.
What is the most common type of chemical sedimentary rock?
limestone
The most common chemical sedimentary rock, by far, is limestone. Others include chert, banded iron formation, and a variety of rocks that form when bodies of water evaporate. Biological processes are important in the formation of some chemical sedimentary rocks, especially limestone and chert.
What are the characteristics of chemical sedimentary rocks?
Unlike most other sedimentary rocks, chemical rocks are not made of pieces of sediment. Instead, they have mineral crystals made from elements that are dissolved in water. The water in the oceans, lakes, and ground is often full of dissolved elements. All sorts of things can dissolve into water.
What is unique about chemical sedimentary rocks?
Chemical sedimentary rocks form by precipitation of minerals from water. Precipitation is when dissolved materials come out of water. For example: Take a glass of water and pour some salt (halite) into it. The salt will dissolve into the water. This is how rocks such as limestones form.
How is chemical sedimentary rocks formed?
Chemical sedimentary rocks form by chemical and organic reprecipitation of the dissolved products of chemical weathering that are removed from the weathering site.
What are the two categories of chemical sedimentary rock?
Chemical sedimentary rocks can be further divided as to:
- inorganic (e.g., limestone, rock salt, dolomite)
- organic (e.g., limestone or coal).
What are three important types of chemical sedimentary rocks?
The most common chemical sedimentary rock, by far, is limestone . Others include chert , banded iron formation , and evaporites . Biological processes are important in the formation of some chemical sedimentary rocks, especially limestone and chert.
Which is an example of a chemical sedimentary rock?
Some sedimentary rock starts off as a solution of water and sediments. Sometimes, the sediments are even dissolved in the solution before the rock forms. Any sedimentary rock that forms, as sediments settle out of a solution, is called a chemical sedimentary rock.
Which is an evaporite and which is a sedimentary rock?
Gypsum forms much in the same way as halite and is, therefore, also an evaporite. A special type of sedimentary rock, chemical sedimentary rocks form as sediments settle out of a solution.
What kind of sedimentary rock contains halite and gypsum?
Evaporites, a special type of chemical sedimentary rock that include halite and gypsum, form as sediments, and are left behind when water in the original solution evaporates. To unlock this lesson you must be a Study.com Member.
How are caves formed from chemical sedimentary rocks?
It is common for caves within the Earth to be formed of chemical sedimentary rocks. Evaporites, a special type of chemical sedimentary rock that include halite and gypsum, form as sediments, and are left behind when water in the original solution evaporates. To unlock this lesson you must be a Study.com Member.