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Filtering by: Subject Mines and mineral resources -- History Peer Reviewed Yes

Mineral and water resources of Oregon; report prepared in collaboration with Oregon Dept. of Geology and Mineral Industries [and others] at the request of Senator Mark O. Hatfield of Oregon of the Committee on Interior and Insular Affairs, United States Senate

Creator:

Geological Survey (U.S.), Oregon. Department of Geology and Mineral Industries, and United States. Congress. Senate. Committee on Interior and Insular Affairs

Resource Type:

Book
A description of some Oregon rocks and minerals

Creator:

Oregon State University. Extension Service, Dole, Hollis M. (Hollis Mathews), and Brown, Lawrence L.

Abstract:

Rocks are defined as aggregates or mixtures of minerals; rocks also include noncrystalline materials such as the natural glasses, and organic material such as coal. Rocks are found ready-made in nature. They are not homogeneous nor are they crystalline, although they may be made up of crystalline material. The composition...

Resource Type:

Learning Object

Full Text:

+ I A Description of some oregon rocks AnD minerAls oregon DepArtment of geology AnD minerAl