Thermal rock fragmentation application in narrow vein...

Details Thermal rock fragmentation application in narrow vein... Thermal rock fragmentation application in narrow vein...

2007-03-27

2007-03-27

Bagnell, David (Department: 3672)

Mining or in situ disintegration of hard material

Processes

Directly applying heat or vibration

C175S011000, C175S016000

Reexamination Certificate

active

10863496

ABSTRACT:
A free-blast method for extracting ore from an ore vein deposit wherein the vein is extracted by causing the ore comprised between the rock walls bordering the vein to spall into fragments. The ore fragments are recuperated as by aspiration and subsequently processed to retrieve the precious mineral.

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“Radisson Mining Resources Inc.: Positive Results From the Work on O'Brien”—News Release published on Internet on Oct. 15, 2001.
“Axes of Research—Explosive-Free Rock Breaking Technologies”—slide show presentation on Oct. 3, 2001.

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