Carved In Stone

Carved in Stone

Carved in Stone

AggMan Staff - Aug 01, 2011

T is for Taconite New research may yield commercial viability for this lower quality ore. By Bill Langer tak-uh-nahyt (noun) – A type ...

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Carved in Stone

Carved in Stone

AggMan Staff - Jul 05, 2011

S is for sunset crater A scenic trek always includes an interesting landmark — a volcanic cinder cone. By Bill Langer My wife, ...

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Carved in Stone

Carved in Stone

- Jun 01, 2011

R is for Rocksicle A Front Range perspective on managing and shipping aggregates. By Bill Langer Rocksicle (rok-si-kuhl) noun – similar to a ...

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Carved in Stone

Carved in Stone

- May 07, 2011

Q is for Quartz This versatile mineral has been used in everything from ceremonial rattles to sonar transducers to quartz watches. By ...

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Carved in Stone

- Apr 01, 2011

P is for Pit A gravel pit that was a source of happy childhood memories showcases the evolution of mining technology. By ...

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Carved in Stone

Carved in Stone

- Mar 03, 2011

N is for Non-metallic Annual non-metallic minerals are typically twice the value of metallic minerals, which takes a little of the ...

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Carved in Stone

Carved in Stone

- Feb 01, 2011

O is for obsidian Although a relative youngster in geologic terms, obsidian can change over time from glass to mineral. By Bill ...

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Carved in Stone

Carved in Stone

- Jan 01, 2011

M is for Millstone Among the many European millstones, the geology of the French burrstone was prized for the effect of ...

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Carved in Stone

Carved in Stone

- Dec 01, 2010

L is for Lava From Mt. Vesuvius to Hawaii, molten rock continues to leave its mark. By Bill Langer Lava (origin): lave, Italian, ...

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Carved in Stone

Carved in Stone

- Nov 01, 2010

K is for Potassium K — the chemical symbol for the element/metal potassium. By Bill Langer The metal potassium was unknown prior to ...

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