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Use of high-resolution ground-penetrating radar in kimberlite delineation

Mining Engineering

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Abstract

High-resolution ground-penetrating radar (GPR) was used to image the near-surface extent of two exposed Late Cretaceous kimberlites intruded into lower Permian limestone and dolomite host rocks in northeast Kansas. Six parallel GPR profiles identify the margin of the Randolph 1 kimberlite by the up-bending and termination of limestone reflectors. Five radially-intersecting GPR profiles identify the elliptical margin of the Randolph 2 kimberlite by the termination of dolomite reflectors near or below the kimberlite's mushroom-shaped cap. These results suggest GPR may augment magnetic methods for the delineation of kimberlites or other forceful intrusions in a layered host rock where thick, conductive soil or shale is not present at the surface.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Use of high-resolution ground-penetrating radar in kimberlite delineation
Series title:
Mining Engineering
Volume
49
Issue:
11
Year Published:
1997
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Mining Engineering
First page:
73
Last page:
79
Number of Pages:
7