View source for Acidic

* (environment) The condition of water or soil that contains a sufficient amount of acid substances to lower the pH below 7.0. <br/>Source: [http://www.epa.gov/OCEPAterms/ Terms of the Environment]
* (geology) 
# A descriptive term applied to those igneous rocks that contain more than 60% silica. Acidic is one of four subdivisions of a widely used system for classifying igneous rocks based on their silica content: acidic, intermediate, basic, and ultrabasic. AGI 
# Applied loosely to any igneous rock composed predominantly of light-colored minerals having a relatively low specific gravity. CF: felsic <br/>Source: Dictionary of Mining, Mineral, and Related Terms

[[Category: Environment]]

[[category: geology]]