Browse "Earth Sciences"

Displaying 41-45 of 45 results
Article

Sand and Gravel

Sand and gravel are unconsolidated, granular mineral materials produced by the natural disintegration of rock caused by weathering. The terms sand, gravel, clay and silt relate to grain size rather than composition. Sand is material passing through a number 4 (4.

Article

Soil Classification

Classification involves arranging individual units with similar characteristics into groups. Soils do not occur as discrete entities; thus the unit of measurement for soil is not obvious.

Article

Soil Science

Soil science is the science that deals with soils as a natural resource. Studies focus on soil formation, classification and mapping, and the physical, chemical and biological properties and fertility of soils as such and in relation to their management for crop production.

Article

Taber Child

In 1961, fragments of a human infant skull from were recovered from the banks of the Oldman River near Taber, Alberta.