Product consists of a map (scale 1:16,000) of the Crater of Diamonds State Park and vicinity, along with digital imagery of the Park search area (scale 1:4,364), Prairie Creek diatreme bedrock geology map (scale 1:3,350), and schematic cross section of the Prairie Creek diatreme, all on a poster-size base (29" X 41"), suitable for framing. With this graphic product is included SPS-03, a booklet of the same title, authored by J. M. Howard and W. D. Hanson (2008), 8 colored figs., 14 p. Booklet contains a written summary of the geology, igneous rock type descriptions, and a discussion of the mineralogy of diamonds with an explanation of the cause of the typical shapes of diamonds from this location. Frequently asked questions by park visitors are also answered.

• Full color map
• Paper size is ~ 29" x 41". 

This booklet includes:

• General location of the Crater of Diamonds State Park within Arkansas….
• General stratigraphy of the local rock units…
• Map and cross-section of Prairie Creek
• Magmatic lamproite boulders on crest of Middle Hill
• Lamproite lapilli tuff exposed on West Hill
• Altered lamproite breccia tuff
• Outcrop of silica-cemented sandstone-dominated maar epiclastics…
• Diamond dissolution evolution…
• References and Reading List
• Alphabetical Listing of Minerals reported from the Prairie Creek Diatreme and their Geologic Associations

*Includes: 17 pages, 8 figures, 1 map

Download PDF (7.26 MB)