مقال بحثي وصول مفتوح
Geological Complications and Environmental Hazards of the Cement Raw Materials Quarry Sites in Yemen
Extensive field and site investigations were conducted to assess and evaluate the situation in the presently exploited quarries of cement raw materials in Yemen. These quarries have several geological complications represented mainly by high elevations, steep slopes, rugged topography, heterogeneity in bed thickness, l …