GLOWING FIZZY DRINK

THE GATES OF HELL lava     For most of the twentieth century, the central enigma of volcanology was not about the behavior of volcanic mountains, but their origins in depth. It began to shed light on these phenomena at the beginning of the sixties, when the theory of plate…

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THERE IS DESERT AND DESERT

In geography, desert is defined as an area of the earth’s surface in which the precipitations are unlikely to exceed 250 millimeters per year, and the soil is mostly arid, with little or no vegetation. Among the deserts, according to this definition, must also be considered Polar Regions, in addition…

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SALT or HALITE

Group III – Aloidi NaCl Very common The Rock Salt or Halite occurs in cubic crystals often “hopper” and with rounded corners, usually colorless or white, sometime yellow, red, brown and even blacks; more rarely patchy irregular blue and purple; predominantly cubes and in massive sedimentary beds, but also granular,…

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