The rapid formation and collapse of tiny bubbles within the cavities of a solid material immersed in liquid, altogether subjected to rapid and intense pressure changes induced by ultrasonic waves
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Tag: <span>C</span>
A type of colloidal aluminum silicate clay from British Columbia, Canada
Refined metals in the form of a plate, rod or bar
A large and significant region of Precambrian rocks in eastern Canada
A recess in the floor of a mine designed to prevent the leakage of minerals.
The oldest system into which the Paleozoic rock is classified
A substance introduced to a reaction to modify the characteristics of the reaction
A sedimentary ore of secondary accumulation and not unlike a natural cement, it is usually mined for heavy minerals, occurs as reddish-brown to beige or even white calcareous material.
A sudden and extensive geologic event
A drill bit where the diamond set crown has been cast into a mould