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Geology

Geology

    • Science for Haiti Featured News Science for Haiti Science for Haiti

      Eva Aguilar reports 20 September 2011 on SciDev.Net en Español Haiti could follow the example of other developing countries, such as Rwanda, and bolster its... More »

    • Devonian Featured Article Devonian Devonian

      The Devonian period is a geologic time interval within the Paleozoic Era spanning from the end of the Silurian Period, aapproximately 417 million years before present (BP), to... More »

    • Backshore Featured Article Backshore Backshore

      The backshore is that part or zone of a beach profile that extends landward from the sloping foreshore to a point of either vegetation development or a change of physiography,... More »

    • Groundwater inflow Featured Article Groundwater inflow Groundwater inflow

      Groundwater inflow represents an important part of groundwater assessment methodology within the hydrological cycle. This article reviews chief methodology for estimating the... More »

    • Acid sulfate soils Featured Article Acid sulfate soils Acid sulfate soils

      Main source: K.Ljung, F.Maley, A.Cook & P.Weinstein. Acid sulfate soils and human health. A Millennium Ecosystem Assessment. Environment International 35 (8), 1234-1242.... More »

    • Limestone Featured Article Limestone Limestone

      Limestone  is a sedimentary rock whose chief mineral component is calcite (calcium carbonate: CaCO3). Limestone can be formed by precipitation of calcite dissolved in... More »

    • Aluminum Featured Article Aluminum Aluminum

      Aluminum is a silver-white metal, very low density (less than three times as dense as water), yet relatively strong. In addition, aluminum is ductile; that is, it can be drawn... More »

Recently Updated
Draa River Last Updated on 2012-05-24 at 14:08 The Draa River of Morocco rised in the High Atlas Mountains and flows to the Atlantic Ocean. Even though the Draa Basin is sparsely populated compared to world standards, the... More »
Sand Seas Last Updated on 2012-05-20 at 13:27 Sand seas, also called ergs after the Arabic name for dune fields, are regional accumulations of windblown sand that contain numerous, very large dunes of compound or complex... More »
Kunene River Last Updated on 2012-05-15 at 10:37 The Kunene River (also Cunene River)  is a river is southwestern Africa, 1050 kilometers long, with its watershed primarily within the nation of Angola but also drawing... More »
Nickel Last Updated on 2012-05-14 at 21:00 Nickel, with a symbol of Ni, is a silvery shiny, metallic element with an atomic number of 28. It can be hammered into thin sheets, which means it is malleable.... More »
Bathymetric Data Viewer Last Updated on 2012-05-13 at 00:19 NOAA has made sea floor maps and other data on the world’s coasts, continental shelves, and deep ocean available for easy viewing online through its Bathymetric Data... More »
Snake River Last Updated on 2012-05-12 at 11:28 The Snake River is one of the major watercourses in the western USA, with [headwaters] rising in Yellowstone National Park in Wyoming, ultimately discharging to the Columbia... More »
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