coal seams

USAGE SUMMARY

The phrase "coal seams" is correct and usable in written English.
It can be used when discussing geological formations where coal is found, typically in the context of mining or energy production. Example: "The region is known for its rich coal seams, which have been a significant source of energy for decades."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

"Coal seams aren't like that.

The Guardian - Opinion

Coal seams, like oilfields, vary hugely in their geology.

The Economist

Firedamp is a gas that occurs naturally in coal seams.

Encyclopedia Britannica

Four horizontal wells have been drilled into underlying coal seams.

The New York Times

Considerable quantities of methane are trapped within coal seams.

Encyclopedia Britannica

The region, which has some coal seams, is farmed extensively.

Encyclopedia Britannica

Not all coal seams need fracking to make gas flow.

The Economist

Mountaintop mining involves blasting away ridgetops to expose coal seams.

The Guardian

Mountaintop mining involves blasting the tops off mountains to expose subsurface coal seams.

The New York Times

Coal seams occur in Karoo rocks to the north of Lake Kariba.

Encyclopedia Britannica

The presence of coal seams, along with some petroleum, makes it commercially important.

Encyclopedia Britannica

Expert writing Tips

Best practice

When discussing the methane extraction process, use "coal seams" to accurately describe where the gas is trapped. This provides clarity in technical and scientific contexts.

Common error

Avoid using "coal deposits" interchangeably with "coal seams" in technical writing. "Coal seams" refers to a specific geological formation, while "coal deposits" is a more general term.

Linguistic Context

The phrase "coal seams" primarily functions as a noun phrase, often serving as the subject or object in sentences related to geology, mining, and energy production. Ludwig's examples illustrate its use in describing locations, characteristics, and exploitation methods of coal formations.

Expression frequency: Very common

Frequent in

Science

37%

News & Media

30%

Encyclopedias

19%

Less common in

Wiki

8%

Formal & Business

6%

Ludwig's WRAP-UP

The phrase "coal seams" is a grammatically sound and frequently used noun phrase, primarily employed to describe geological formations containing coal. Ludwig AI confirms its correctness and common usage across diverse contexts, including science, news, and encyclopedias. While alternatives like "coal deposits" exist, "coal seams" provides greater specificity. The phrase carries a neutral, often formal tone, making it appropriate for technical and descriptive writing, especially when discussing mining, energy, and environmental aspects.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Coal deposits

Refers to the accumulation of coal in a specific location, similar to a seam, but may encompass a broader area or less defined layer.

Coal beds

Describes layers of coal, often used interchangeably with "coal seams", but can also refer to broader, less defined areas of coal.

Coal measures

Specifically refers to sedimentary rocks containing coal seams, emphasizing the geological context rather than the coal itself.

Coal strata

Indicates layers of coal within a rock formation, highlighting the geological layering aspect.

Coal layers

A more generic term for coal arranged in layers, less specific than "coal seams".

Coal deposits

Similar to "coal seams", but the emphasis is on the broad geological accumulations.

Coal formations

Refers to the geological structures in which coal is found, a broader term than "coal seams".

Coal resources

Focuses on the economic value of coal in a region, rather than the specific geological form.

Mineable seams

Specifies "coal seams" that are economically viable for mining.

Coal sections

Describes particular portions or parts of coal-bearing geological formations.

FAQs

How can I use "coal seams" in a sentence?

You can use "coal seams" to describe geological formations containing coal, for example: "The region is known for its rich "coal seams", which have been a significant source of energy for decades."

What's the difference between "coal seams" and "coal deposits"?

"Coal seams" refers to a specific layer or band of coal within rock formations, while "coal deposits" is a broader term that can encompass any accumulation of coal, including seams, beds, and other formations.

Which is the correct plural form: "coal seam" or "coal seams"?

"Coal seam" is the singular form, referring to one layer of coal. "Coal seams" is the plural form, used when referring to multiple layers or bands of coal.

What can I say instead of "coal seams"?

Depending on the context, you could use "coal beds", "coal layers" or "coal deposits". The best alternative depends on the level of specificity required.