Chemical, Physical and Geotechnical Properties Comparison between Scoria and Pumice Deposits in Dhamar – Rada Volcanic Field -SW Yemen

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A study of the chemical and physical properties of Scoria and Pumice deposits in Dhamar – Rada volcanic field, and assess these deposits in manufacturing lightweight concert. The study area is located 95 Km SE Sana’a city (the capital of Yemen), extends to southeast of Dhamar city and spread to Rada` district. It is covering an area of approximately 2500km2. Thirty representative samples were collected from different areas of Dhamar – Rada volcanic field, as 15 samples for Scoria and 15samples for Pumice deposits…