diamondiferous

Since that epoch the exploitation has been continued by lessees of the diamondiferous grounds.

From Scientific American Supplement, No. 458, October 11, 1884 by Various

When I spoke of the burrow and the resemblance of the gravel at its mouth to the diamondiferous soil in which we were working, this was made a pretext for derision.

From Reminiscences of a South African Pioneer by W. C. (William Charles) Scully

It takes ten acres of Karroo to feed a sheep, but it was now seen that a few square yards of diamondiferous blue ground would feed a dozen families.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 2 "Camorra" to "Cape Colony" by Various

The pioneers of Kimberley took possession of the diamondiferous grounds without ascertaining to whom they belonged, and when their value became positive the question of ownership arose.

From A Handbook of the Boer War With General Map of South Africa and 18 Sketch Maps and Plans by

Under its thin crust of limestone was an inconsiderable layer of very poor diamondiferous gravel.

From Reminiscences of a South African Pioneer by W. C. (William Charles) Scully