Cement News tagged under: limestone

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Lithuania’s limestone reserves sufficient for decades to come

24 February 2017, Published under Cement News

In 2016 cement companies mined around 680,000m 3 of limestone suitable for cement production in Lithuania, according to the Lithuanian Geological Survey (LGT). This represents a small decrease when compared with the 688,000m 3 recorded annually on average over the last five years. Lithuania’s sole cement producer Akmenes Cementas receives its limestone in the Karpenai quarry in Akmenes District. In addition, the company also uses Triassic clay in the country deepest pit, the Saltiski...

India: Dalmia and Nagaur limestone blocks awarded

11 January 2017, Published under Cement News

The government auction of the 3B1A Limestone Block in Zayal, Nagaur, India, has awarded the block to Emami Cement, which paid INR51bn (US$746m) for the 125t concession. Meanwhile, Dalmia Cement obtained the Chittorgarh B Block in Nimharea, Chittorgarh. The cement producer paid INR54bn for the limestone deposit, which has a reserve of 175t, the biggest block auctioned up to data. Secretary of Mines, Aparna Arora, said that six companies were competing at the auction, which is expected ...

CAR government signs limestone agreement

06 January 2017, Published under Cement News

The government of the Central African Republic (CAR) is one step closer to the exploitation of the limestone deposit in Bombassa and Ndimba villages, on the banks of the Oubangui river. CAR Trade Minister, Hassan Come, and the Head of China Geo Engineering Corp, Wing Wen Hao, signed on 3 January two draft agreements, one relating to the exploitation of cement in the African country. It earmarks the limestone deposit for use in cement production subject to a positive feasibility study. ...

India Cements to develop Coromandel limestone

26 August 2016, Published under Cement News

India Cements has proposed the development of the Coromandel limestone mine in Chilamkur and Kalamalla, Mandal Yerraguntla, Andhra Pradesh. The project represents an investment of INR1650m (US$24.6m), including the cost of the land. The 413ha site would yield around 3Mta of limestone, which the company would use for captive consumption at a new 2Mta greenfield clinker plant, located next to an existing plant at Chilamkur. The limestone will be excavated by conventional opencast mechanised...

Philippines: Republic Cement confident despite environmental crackdown

17 August 2016, Published under Cement News

Republic Cement has vowed to continue with its expansion plans and has said that it is "ready" to face an environmental audit from the Filipino government, ABS-CBN News reports. The Department of Environment and Natural Resources has recently handed out suspensions to 10 mining companies over safety violations and has challenged the country’s largest coal mining firm, Semirara, to make the case for allowing its operations to continue. Republic’s president, Rentao Sunico, said he was co...

India: Lakshmi Cement gets green light to expand Sirohi limestone mine

26 July 2016, Published under Cement News

Lakshmi Cement has been given environmental clearance to expand its opencast limestone mine in the Sirohi district of Rajasthan. Under the proposals, the mine’s capacity will be expanded from 8 to 13Mta. The firm had originally applied for permission for the project in March 2013, but environmental clearance was not given until July 2016. Work on the 390.625ha site is expected to commence immediately.

Nepal's cement producers seek self-sufficiency

31 May 2016, Published under Cement News

Cement producers in Nepal have asked the government to formulate an improved policy so that the country can achieve self-sufficiency and boost exports. They have requested assistance in extracting and transporting raw materials as well as in the uninterrupted supply of power. Rajesh Agrawal, managing director of Arghakhanchi Cement, said they could produce cement in sufficient quantities to meet domestic demand and export to India if they received government support. "There is high dema...

Dominican Republic: no Azua exploitation concession for Cemento Santo Domingo

24 November 2015, Published under Cement News

The Abinader Corona family, who part-own Cemento Santo Domingo, reported this morning that after 16 years of work in strict accordance with national laws and legal norms of trade, the government disapproved of the Hatillo company mining concession in the Dominican Republic.  However, Cemento Santo Domingo was never granted exploitation rights for the limestone deposit in Azua province, according to the country’s Ministry of Energy and Mines. The governmental body pointed out that granting ...

Algeria: Beni Saf acquires three quarries

23 November 2015, Published under Cement News

Société des Cements de Beni Saf has acquired three quarries to supply its second production line. The Dhayet Smaâ quarry has an estimated limestone reserve of 78.66Mt. In addition, the clay deposits of Koudiet El Tine (24.3Mt) and El Ancer will also supply the 2Mta cement line. The cement producer has acquired the quarries, which cover an area of 370ha, for a record DZD1.005bn (US$9.3m). Exploration work will be carried by CETIM, the Centre for Study and Technology Service of the Constr...

Effects of age and type

21 September 2015, Published under Cement News

Limestone, a key element in the cement raw material mix, does not occur as a homogenous body of rock, but can vary widely in age and type across the world. These differences can have significant effects on cement production. Arthur Harrisson considers the effects of limestone age and type on the rock’s properties such as hardness, chemistry, grindability and burnability in various stages of the cement production process. Limestone deposits used for cement manufacture vary widely in ag...