November 14, 2019 admin 1

Geology earth science Geology (from the Ancient Greek γῆ, gē (“earth”) and -λoγία, -logia, (“study of”, “discourse”)) is an earth science concerned with the solid […]

Mapping at a Large Scale

November 13, 2019 admin 2

Engineering geological mapping Large-scale maps are those devoted to the depiction of relatively small surface areas in great detail and range from about 1:1 000 […]

What Causes Color in Topaz?

November 12, 2019 admin 0

Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al2SiO4(F,OH)2. Topaz crystallizes in the orthorhombic system, and its crystals are mostly […]

Soil nailing

October 12, 2019 admin 4

Soil nailing is a construction remedial measure to treat unstable natural soil slopes or as a construction technique that allows the safe over-steepening of new […]