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| 2023-05-09 322 The True Story of a Stone (2023), Lenka Clayton; PAFA, Philadelphia |
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1. This true story of a stone begins millions of years ago at the bottom of the ocean (or maybe a lake?) where the skeletons of countless microscopic organisms slowly settled over the course of thousands of years. . 2. These skeletal remains were transformed into limestone through gentle compression from the weight of the water above them. (Limestone is a material that was once a lot of other things that over time became one thing.) . 3. This new rock was drawn deep into the earth's core where heat, pressure and chemical action transformed the limestone into a beautiful white soft stone called Pentalic [sic, Pentelic] marble. |