Mining Articles

• Mining
  Environmental Policy
  Environmental Issues
  Air Pollution
  Geography
  Sustainability
   

  Remediation

  Generally, remediation means giving a remedy. In this article, the term refers to the removal of pollution or contaminants from environmental media such as soil, groundwater, sediment, or surface ... > more
• Forest
  Exotic Species
  Rainforests
  Acid Rain
  Ecology
  Wildfires
   
  

  Petrified wood

  Petrified wood is a type of fossil: it exists of fossil wood where all the organic materials have been replaced with minerals (most often a silicate, such as quartz), while retaining the original ... > more
• Dinosaurs
  Extinction
  Geography
  Nature
  Environmental Policy
  Marine Biology
   

  Cretaceous

  The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of the Paleocene epoch ... > more
• Floods
  Desert
  Geology
  Water
  Oceanography
  Natural Disasters
   
  

  Sandstone

  Sandstone is a sedimentary rock composed mainly of sand-size mineral or rock grains. Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the earth's ... > more
• Environmental Policy
  Geography
  Environmental Issues
  Ecology
  Earth Science
  Global Warming
   

  Timeline of environmental events

  The timeline of environmental events is a historical account of events that have shaped humanity's perspective on the environment. This timeline includes some major natural events, man-made ... > more
• Acid Rain
  Sports Science
  Heartburn
  Pollution
  Gastrointestinal Problems
  Vitamin B
   
  

  PH

  pH is a measure of the activity of hydrogen ions (H+) in a solution and, therefore, its acidity or alkalinity. Aqueous solutions with pH values lower than 7 are considered acidic, while pH values ... > more
• Energy and the Environment
  Wind Energy
  Electricity
  Sustainability
  Water
  Nature of Water
   
  

  Water turbine

  A water turbine is a rotary engine that takes energy from moving water. Water turbines were developed in the nineteenth century and were widely used for industrial power prior to electrical grids. ... > more
• Chemistry
  Inorganic Chemistry
  Sports Science
  Organic Chemistry
  Weapons Technology
  Air Quality
   
  

  Fluorine

  Fluorine is the chemical element in the periodic table that has the symbol F and atomic number 9. Atomic fluorine is univalent and is the most chemically reactive and electronegative of all the ... > more
• Water
  Geography
  Ecosystems
  Global Warming
  Ecology
  Floods
   
  

  Lake

  A lake is a body of water or other liquid of considerable size surrounded entirely by land. A vast majority of lakes on Earth are fresh water, and most lie in the Northern Hemisphere at higher ... > more
• Oceanography
  Water
  Floods
  Geography
  Global Warming
  Desert
   
  

  Sediment

  Sediment is any particulate matter that can be transported by fluid flow and which eventually is deposited as a layer of solid particles on the bed or bottom of a body of water or other liquid. ... > more

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