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Filtering by: Subject Mines and mineral resources -- History Creator Dole, Hollis M. (Hollis Mathews)

The Ore bin ; Vol. 32 No. 9 (September 1970)

Creator:

Oregon. Dept. of Geology and Mineral Industries, Dole, Hollis M. (Hollis Mathews), Mowbray, George, Johnson, Samuel S., and Corcoran, Raymond E.

Abstract:

Everyone involved with the mining and petroleum industries, either directly or indirectly, is aware of the mounting concern by the general public with the possibly deleterious effects of mineral exploration and development on the environment. Oftentimes the outcry about "desecration of the land" is not based on actual knowledge of...

Resource Type:

Journal

Full Text:

September 1970 MINERAL RESOURCE INDUSTRY -- A NATIONAL DILEMMA • • Everyone involved with the mining and
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