Month: July 2019

Articles

The Characteristics and Possibility of using Al-Lisi (Yemen) Pumice Rocks as Abrasives and Polishing Material in Dental Laboratories Instead of Imported Pumice

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The pumice rocks crop out at Al-Lisi locality, which lie at about 15 km east of Thamarcity. Pumice rocks occur within acidic volcanic rocks sequence consisting of rhyolite, obsidian and pyroclastic rocks. Volumetric study of Al-Lisi pumice rocks shows similarity with the imported pumice.Petrographic examination shows that the pumice rocks of Al-Lisiare composed mainly of more than 75% silica groundmass with embedded phenocrysts of quartz, sanidine, plagioclase, anorthoclase and pyroxene. Chemical analysis shows that…

Opportunities

Basalt Opportunity

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Basalt rocks sources in Yemen are unlimited, as well as the existing investment of basalt stones in the local construction sector; there are many studies that show the great potential for investment in the basalt industry. Government analyzes* show that the technical specifications of the basalt in Yemen are standard. Silica oxide ranges from 47.80 […]

Opportunities

Sandstone Opportunity

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One of the investments we have already started, through negotiations with the Yemeni government, to grant us a license in Amran governorate, where there are deposits of sandstone with a high percentage of silica, where it reaches more than 99%. A study of the construction of a solar cell plant will be carried out by […]

News

Pumice and Scoria Opportunity

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There is currently an existing investment in the province of Dhamar, Lassi site in the rocks of the Pumice. Estimated reserves at this site are three billion tons of crude, and can be up to 20 billion tons in more optimistic estimates. Pumice is used locally in the production of light bricks. In Silica Mining […]

Opportunities

Building Stones Opportunity

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Basalt, limestone and other building stones are among the rocks we plan to invest in silica, where there are unusual reserves for these building rocks. One of the most famous features of Yemen is the stone construction of houses, where all types of stones are used. There is an extraordinary waste of this raw during […]