What Causes Color in Topaz?
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 prismatic terminated by pyramidal and … Read More
Engineering geology and rock slope stability – Part 1
Harmonizing engineering geology with rock engineering for assessing slope stability The construction, design, remediation and maintenance of rock slopes have always been an important area in geo-engineering. Particularly, in the … Read More
3D geological tour of the Guadalquivir basin using Google Earth
Google Earth A research team has developed a tool that allows a 3D journey in ten sites of geological and palaeontological interest in the Guadalquivir basin (Huelva, Spain). In the … Read More
Opportunities for Geothermal Energy: New Method Reveals Past Underground Temperatures
Rocks store information about the temperatures that they have experienced. Wageningen University researchers and international colleagues are the first to develop a method that reveals low-temperature information (from 35 °C … Read More
Scientists gain supervolcano insights from Wyoming granite
Scientists gain supervolcano insights from Wyoming granite Geophysical monitoring of the ground above active supervolcano shows that it rises and falls as magma moves beneath the surface of Earth. Silica-rich … Read More
The largest gold nugget ever found In Alaska
The largest gold nugget ever found In Alaska It weighs a whopping 294.10 troy ounces (9.14 Kilograms, 20.16 pound), and was found near the town of Ruby, Alaska in 1998. … Read More
Rotational landslide and Translational landslide
Slides A slide is a downslope movement of a soil or rock mass occurring on surfaces of rupture or on relatively thin zones of intense shear strain. The movement does … Read More
Seismic wave
A seismic wave is a vibration generated by an earthquake, explosion, or similar energetic source and propagated within Earth or along its surface. Earthquakes generate four principal types of elastic … Read More
Sedimentary rock
Sedimentary rock is formed at or near the Earth’s surface by the accumulation and lithification of sediment (detrital rock) or by the precipitation from solution at normal surface temperatures (chemical … Read More
Slope design
The designing for example roads was usually based on the conventional technique of balancing cut and fills with the slope gradient of 1V:1H to 1V:1.5H for the cut areas and … Read More