A rock metamorphically recrystallized
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Tag: <span>P</span>
A vertical body of rock formed from lava and debris moving directly upward
A vacant space, hole or cavity in rock or soil
A tower, cone-like or pyramidal or pointed mass
A clay substance, such as kaolinite, suitable for use in the manufacture of porcelain
To progressively taper out
A compound comprised of two or more bonded molecules of the same simple substance
Lava that cools and solidifies in the sea
A last stage of settling for industrial effluent prior to release in the natural environment
A roughly egg shaped orebody