ON-007-05M StoryMap: Colorado Aggregate Resources


This StoryMap integrates maps, text, and photos concerning the location and geology of sand, gravel, and quarry aggregates in the state. Includes a description of aggregates, what they are used for, where they are found, how and why the location of these deposits are important to land-use planning, and the general geology of sand, gravel, and rock quarry aggregates. Online resource. ON-007-05M

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To the StoryMap: ON-007-05 StoryMap: Colorado Aggregate Resources

From the Introduction:

Naturally occurring aggregates are used for several applications including:

  • asphalt
  • concrete
  • construction fill
  • road base
  • rip-rap
  • filtration
  • railroad ballast
  • roofing granules
  • snow and ice control
  • hydraulic fracturing sand

What are aggregates?

Aggregates are generally defined as granular materials that are used: with a cementing medium to form concrete or mortar; as a construction material, meeting the requirements of road, paving, or other construction applications.

Where do aggregates come from?

Natural sources of aggregate include sand, gravel, and crushed rock. These materials are all quarried for use as aggregate in Colorado.