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Uses and Locations of Limestones in Nigeria

Nuelson Penuel Tuesday, July 23, 2024 Basis

 
Nigeria, a country blessed with an abundance of natural resources, is home to a significant reserve of limestone, a versatile mineral with a wide range of applications. This blog post explores the location and usefulness of limestone in Nigeria, highlighting its importance in the country's economic and industrial development.

Location of Limestone in Nigeria

Limestone deposits are found in various regions throughout Nigeria. Here's a more detailed overview of the location and distribution of limestone resources in the country:

1. Southeastern Nigeria:

  1. Limestone deposits are extensively found in the southeastern states, particularly in Anambra, Enugu, Ebonyi, and Abia states.
  2. The major limestone deposits in this region are located in the Nkalagu, Okpara, and Odukpani areas.
  3. The Nkalagu limestone deposit, located in Ebonyi State, is one of the largest and most renowned limestone resources in Nigeria. It has been extensively mined and utilized for cement production.

2. Southwestern Nigeria:

  1. Limestone deposits are also found in the southwestern states, such as Ogun, Ondo, and Kwara.
  2. The Ewekoro and Shagamu areas in Ogun State are known for their significant limestone reserves.
  3. The Ewekoro limestone deposit is particularly prominent and has been the primary source for the cement industry in the region.

3. North-central Nigeria:

Limestone resources are found in the north-central region, particularly in Kogi and Plateau states.
  1. The Jakura and Ewekoro limestone deposits in Kogi State are notable, with the Jakura deposit being one of the largest in the country.
  2. In Plateau State, limestone is found in the Jos and Bukuru areas.

4. Northeastern Nigeria:

  1. Limestone deposits are also present in the northeastern states, such as Borno and Yobe.
  2. The Ashaka area in Borno State is known for its limestone resources, which have been utilized for cement production.

5. Other Regions:

Smaller limestone deposits have been identified in other states, including Sokoto, Kebbi, and Kastina in the northwest, as well as Taraba and Adamawa in the northeast. It's important to note that the limestone deposits in Nigeria vary in terms of quality, quantity, and accessibility, which has influenced the development and utilization of these resources over the years. The Nigerian government and private sector have been actively exploring and exploiting the country's limestone resources to support the cement industry and other industrial applications. The Sokoto region, in particular, is known for its extensive limestone reserves, which are estimated to be over 4 billion metric tons. This region is home to the Sokoto Basin, where the limestone deposits are found in sedimentary rock formations that date back to the Cretaceous and Tertiary periods. In the Benue region, limestone deposits are found in the Taraba and Plateau states, with an estimated reserve of over 2 billion metric tons. The Ogun state, located in the southwestern part of the country, also boasts significant limestone resources, particularly in the Ewekoro and Sagamu areas.

Usefulness of Limestone in Nigeria

Limestone is a versatile mineral that finds numerous applications in various industries. In Nigeria, limestone is utilized in the following ways: 1. Cement Production: One of the primary uses of limestone in Nigeria is in the production of cement, a crucial ingredient in the construction industry. The cement industry in Nigeria accounts for a significant portion of the country's limestone consumption, with several major cement manufacturers operating in the country. 2. Glass Manufacturing: Limestone is an essential raw material in the production of glass, serving as a flux to lower the melting point of silica. Nigeria's growing glass manufacturing industry relies on the country's limestone reserves to produce a range of glass products, such as bottles, windows, and containers. 3. Agricultural Applications: Limestone is used in the agricultural sector as a soil conditioner, helping to regulate soil pH and improve the overall fertility of the land. This application is particularly important in areas with acidic soil, where limestone can be used to neutralize the acidity and create a more favorable environment for crop growth. 4. Metallurgical Industry: Limestone is used as a flux in the metallurgical industry, helping to remove impurities from molten metals during the smelting and refining processes. This application is crucial for the production of various metal products in Nigeria. 5. Chemical Industry: Limestone is a raw material in the production of various chemicals, including calcium carbonate, lime, and calcium oxide, which are used in a wide range of industrial and pharmaceutical applications. 6. Environmental Applications: Limestone is used in environmental applications, such as water treatment and flue gas desulfurization, where it helps to neutralize acidic compounds and reduce air pollution. The abundance of limestone resources in Nigeria and its diverse applications have made it a valuable mineral for the country's economic and industrial development. As the demand for construction materials, glass, and other industrial products continues to grow, the importance of limestone in Nigeria's economy is expected to increase further in the years to come.

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