Cement News tagged under: Quarry

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Lehigh Cement's quarry expansion plans opposed

23 June 2021, Published under Cement News

Lehigh Cement (HeidelbergCement group) wants to amend its 2012 Reclamation Plan for Lehigh Permanente Quarry to increase mining but faces local opposition. As part of the amendment, the proposal asks to disturb an area of the ridge that is about 30m (100ft) in height and 1219m (4000ft) across. In its May 2019 proposal to amend its 2012 Reclamation Plan for Lehigh Permanente Quarry, Lehigh said it wants to mine additional limestone from the area and to cut back the slope for stabilisation alo...

The quarry of tomorrow

07 June 2021, Published under Cement News

Are full-scale digital solutions for small- to medium-sized mining operations talk of the future or have they already become a reality? The OEM agnostic smartQuarry suite by German start-up firm talpasolutions uses automated data acquisition from networked mining machines and analytics tools to help operate the quarry of tomorrow. By Dr Michael Suciu and Alexey Shalashinski, talpasolutions, Germany. Figure 1: mounting the datalogger talpacortex on mining equipment When it comes ...

Holcim (Belgium) NV takes over Givet quarry

05 January 2021, Published under Cement News

Holcim (Belgium) NV takes over the quarry of Givet in the Ardennes department, northeastern France. The Givet quarry has an exploitation licence of 1Mta. It is located on the banks of the River Meuse with a loading quay and direct entry to the production site. It also has good connections to the rail network. The acquisition will enable the company to strengthen its offer of aggregates for the production of concrete, develop its sales in northern France and drive its sustainability progra...

Rock solid contribution

12 November 2019, Published under Cement News

With limestone, dolomite and gabbro deposits totalling a combined production of over 80Mta and reserves of over 4.5bnt, Stevin Rock is a key global producer of crushed rock. Its quarries in the United Arab Emirates (UAE) supply in a sustainable way a wide range of products to a multitude of customers across the world. By Stevin Rock, UAE. Stevin Rock’s Khor Khuwair quarry has a production capacity of over 60Mta Together with its sister company RAK Rock, Stevin Rock is one of the...

New supplementary cementitious materials

19 August 2019, Published under Cement News

The search for new supplementary cementitious materials (SCMs) is ongoing. A recent review of existing SCMs and the potential for new ones caught the eye of Arthur Harrisson and provided further potential for investigation. A disused slate quarry: a potential SCM? A recent review 1 of the availability of supplementary cementitious materials (SCMs) and the possibility for expanding the choice of those available examined the range of emerging SCM sources and also the means of tes...

Countdown for Bardon

27 June 2019, Published under Cement News

As part of LafargeHolcim’s Capital Markets Day in 2018, guests enjoyed a site visit to Europe’s largest aggregates quarry at Bardon Hill, east of Coalville, Leicestershire, UK. Owned by LafargeHolcim subsidiary Aggregate Industries, the recently-extended quarry will formally open in June 2019 when the refurbished primary crusher goes on-stream. Aggregate Industries’ Bardon Hill quarry, UK, supplies 1.5Mta of aggregates, 2.1Mta of concrete products and 7.5Mta of asphalt. Image sourc...

Bringing an old quarry to life

25 June 2019, Published under Cement News

Quarry rehabilitation comprises more than just the planting of different varieties of trees on land no longer used. Cimenterie Nationale’s rehabilitation project in Lebanon also includes the country’s first green belt buffer area, natural windbreakers, stormwater management, hydroseeding and beehives. By Ahmed Hoteit, Cimenterie Nationale, Lebanon. Cimenterie Nationale, Lebanon, has rehabilitated an area of 283,598m 2 of the quarry at its Chekka plant following its extraction phas...

Cemex USA acquires Texas quarry

13 September 2018, Published under Cement News

Cemex USA has purchased a limestone quarry in Chico, 45 miles northwest of Fort Worth in Texas, from Blue Star Materials II. Cemex will use the reserves which are expected to last another 25 years to supply aggregates for roads, bridges, commercial buildings, housing and other building projects in the state of Texas. The quarry covers 122ha. "The Dallas-Fort Worth area is expected to grow exponentially over the next 30 years," Cemex USA Regional President-Texas and New Mexico, Joel Galass...

Cemex seeks increased exploitation of Can Negret quarry

10 September 2018, Published under Cement News

Cemex has filed an appeal for reversal of the Government resolution regarding the cement producer’s exploitation of the Can Negret quarry in Alaró, Spain. Cemex extracts limestone from the quarry for its Lloseta cement plant and wants to exploit the quarry until 2042 (and to 2072 with an extension) and over an area of 483,734m 2 . The government has agreed only to a term until 2032 (2037 including the restoration phase) and over an area of 452,621m 2 . In addition, the extraction volume h...

Extending quarry life

18 June 2018, Published under Cement News

Although a key part of the cement plant, the quarry has a finite lifetime. Its longevity often depends on which material grades are required and how the faces are worked to quarry such materials. Therefore, a well-designed quarry plan can help extend the life of this valuable asset. By Fabio Coletta, Whitehopleman, UK. Figure 1: as a first step in extending quarry life, a suitable raw mix needs to be defined The life of a cement plant quarry is limited in time but can be extende...