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Quizzical Pursuit
—The Architecture Puzzler
Created by Dave Guadagni
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Architecture Puzzler #50
Match these stones with the descriptions below: slate, marble, granite, travertine, and limestone
a. Once a limestone, this stone achieved metamorphosis from intense pressures and high temperatures within the earth.
b. A variety of limestone formed in pools by the precipitation of hot mineral-rich spring water. The characteristic holes were created when carbon dioxide bubbles were trapped as the stone was being formed.
c. A fine-grained, metamorphic stone derived from sedimentary rock shale.
d. A sedimentary stone, formed from prehistoric skeletons and shells.
e. An igneous rock, once molten, which formed as it cooled deep within the earth.
f. Commercially, any stone capable of taking a polish (with the exception of granite).
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Question from Last Week:
Architecture Puzzler #49
Who designed the Great Pyramid at Giza? How was this designer remembered among Egyptians following the pyramid's construction?
Answer to Puzzler #49
Come back next week for the answer to Architecture Puzzler #50
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Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects
Quizzical Pursuit is Copyright 2001, Dave Guadagni.
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Taj Mahal, by Emperor Shah Jahan, at Agra, India, 1630 to 1653.
Photo: Great Buildings Photo © Howard Davis
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